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Zhao GJ, Wang Y, An JH, Tang WY, Xu XD, Ren K. LncRNA DANCR promotes macrophage lipid accumulation through modulation of membrane cholesterol transporters. Aging (Albany NY) 2024; 16:205992. [PMID: 38968577 DOI: 10.18632/aging.205992] [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: 05/18/2023] [Accepted: 05/30/2024] [Indexed: 07/07/2024]
Abstract
The progression of atherosclerosis (AS), the pathological foundation of coronary artery disease (CAD), is featured by massive lipid deposition in the vessel wall. LncRNAs are implicated in lipid disorder and AS, whereas the specific role of lncRNA DANCR in atherogenesis remains unknown. Here, we demonstrated that DANCR promotes macrophage lipid accumulation by regulating the expression of membrane cholesterol transport proteins. qPCR showed that compared to control groups, CAD patients and atherosclerotic mice had higher DANCR levels. Treating human THP-1 macrophages and mouse RAW264.7 macrophages with ox-LDL significantly upregulated the expression levels of DANCR. Oil Red O staining showed that the silence of DANCR robustly reduced, while overexpression of DANCR significantly increased the numbers and size of lipid droplets in ox-LDL-treated THP-1 macrophages. In contrast, the opposite phenomena were observed in DANCR overexpressing cells. The expression of ABCA1, ABCG1, SR-BI, and NBD-cholesterol efflux was increased obviously by DANCR inhibition and decreased by DANCR overexpression, respectively. Furthermore, transfection with DANCR siRNA induced a robust decrease in the levels of CD36, SR-A, and Dil-ox-LDL uptake, while DANCR overexpression amplified the expression of CD36, SR-A and the uptake of Dil-ox-LDL in lipid-laden macrophages. Lastly, we found that the effects of DANCR on macrophage lipid accumulation and the expression of membrane cholesterol transport proteins were not likely related to miR-33a. The present study unraveled the adverse role of DANCR in foam cell formation and its relationship with cholesterol transport proteins. However, the competing endogenous RNA network underlying these phenomena warrants further exploration.
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Affiliation(s)
- Guo-Jun Zhao
- Affiliated Qingyuan Hospital, Guangzhou Medical University (Qingyuan People’s Hospital), Qingyuan 511518, Guangdong, China
| | - Yu Wang
- Affiliated Qingyuan Hospital, Guangzhou Medical University (Qingyuan People’s Hospital), Qingyuan 511518, Guangdong, China
| | - Jun-Hong An
- College of Medicine, Dali University, Dali 671003, Yunnan, China
| | - Wan-Ying Tang
- Department of Physiology, Institute of Neuroscience Research, Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Hunan Province Cooperative Innovation Center for Molecular Target New Drug Study, Hengyang Medical School, University of South China, Hengyang 421001, Hunan, China
| | - Xiao-Dan Xu
- Department of Pathology, The First Affiliated Hospital of Anhui Medical University, Hefei 230032, Anhui, P.R. China
| | - Kun Ren
- College of Nursing, Anhui University of Chinese Medicine, Hefei 230012, Anhui, P.R. China
- Institute of Clinical Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou 570100, Hainan, P.R. China
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Jeppesen JS, Caldwell HG, Lossius LO, Melin AK, Gliemann L, Bangsbo J, Hellsten Y. Low energy availability increases immune cell formation of reactive oxygen species and impairs exercise performance in female endurance athletes. Redox Biol 2024; 75:103250. [PMID: 38936255 PMCID: PMC11260862 DOI: 10.1016/j.redox.2024.103250] [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: 05/28/2024] [Accepted: 06/18/2024] [Indexed: 06/29/2024] Open
Abstract
INTRODUCTION The effects of low energy availability (LEA) on the immune system are poorly understood. This study examined the effects of 14 days of LEA on immune cell redox balance and inflammation at rest and in response to acute exercise, and exercise performance in female athletes. METHODS Twelve female endurance athletes (age: 26.8 ± 3.4 yrs, maximum oxygen uptake (V˙O2max): 55.2 ± 5.1 mL × min-1 × kg-1) were included in a randomized, single-blinded crossover study. They were allocated to begin with either 14 days of optimal energy availability diet (OEA, 52 ± 2 kcal × kg fat free mass (FFM)-1 × day-1) or LEA diet (22 ± 2 kcal × kg FFM-1 × day-1), followed by 3 days of refueling (OEA) with maintained training volume. Peripheral blood mononuclear cells (PBMCs) were isolated, and plasma obtained at rest before and after each dietary period. The PBMCs were used for analysis of mitochondrial respiration and H2O2 emission and specific proteins. Exercise performance was assessed on cycle by a 20-min time trial and time to exhaustion at an intensity corresponding to ∼110 % V˙O2max). RESULTS LEA was associated with a 94 % (P = 0.003) increase in PBMC NADPH oxidase 2 protein content, and a 22 % (P = 0.013) increase in systemic cortisol. LEA also caused an alteration of several inflammatory related proteins (P < 0.05). Acute exercise augmented H2O2 emission in PBMCs (P < 0.001) following both OEA and LEA, but to a greater extent following LEA. LEA also reduced the mobilization of white blood cells with acute exercise. After LEA, performance was reduced in both exercise tests (P < 0.001), and the reduced time trial performance remained after the 3 days of refueling (P < 0.001). CONCLUSION 14 days of LEA in female athletes increased cortisol levels and had a pronounced effect on the immune system, including increased capacity for ROS production, altered plasma inflammatory proteome and lowered exercise induced mobilization of leukocytes. Furthermore, LEA resulted in a sustained impairment in exercise performance.
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Affiliation(s)
- Jan S Jeppesen
- The August Krogh Section for Human Physiology, Department of Nutrition, Exercise and Sports (NEXS), University of Copenhagen, Copenhagen, Denmark
| | - Hannah G Caldwell
- The August Krogh Section for Human Physiology, Department of Nutrition, Exercise and Sports (NEXS), University of Copenhagen, Copenhagen, Denmark
| | - Lone O Lossius
- Linnaeus University, Department of Sport Science, Växjö/Kalmar, Sweden
| | - Anna K Melin
- Linnaeus University, Department of Sport Science, Växjö/Kalmar, Sweden
| | - Lasse Gliemann
- The August Krogh Section for Human Physiology, Department of Nutrition, Exercise and Sports (NEXS), University of Copenhagen, Copenhagen, Denmark
| | - Jens Bangsbo
- The August Krogh Section for Human Physiology, Department of Nutrition, Exercise and Sports (NEXS), University of Copenhagen, Copenhagen, Denmark
| | - Ylva Hellsten
- The August Krogh Section for Human Physiology, Department of Nutrition, Exercise and Sports (NEXS), University of Copenhagen, Copenhagen, Denmark.
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Buescher FM, Schmitz MT, Frett T, Kramme J, de Boni L, Elmenhorst EM, Mulder E, Moestl S, Heusser K, Frings-Meuthen P, Jordan J, Rittweger J, Pesta D. Effects of 30 days bed rest and exercise countermeasures on PBMC bioenergetics. Acta Physiol (Oxf) 2024; 240:e14102. [PMID: 38294173 DOI: 10.1111/apha.14102] [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: 11/10/2023] [Revised: 12/27/2023] [Accepted: 01/08/2024] [Indexed: 02/01/2024]
Abstract
AIM Altered mitochondrial function across various tissues is a key determinant of spaceflight-induced physical deconditioning. In comparison to tissue biopsies, blood cell bioenergetics holds promise as a systemic and more readily accessible biomarker, which was evaluated during head-down tilt bed rest (HDTBR), an established ground-based analog for spaceflight-induced physiological changes in humans. More specifically, this study explored the effects of HDTBR and an exercise countermeasure on mitochondrial respiration in peripheral blood mononuclear cells (PBMCs). METHODS We subjected 24 healthy participants to a strict 30-day HDTBR protocol. The control group (n = 12) underwent HDTBR only, while the countermeasure group (n = 12) engaged in regular supine cycling exercise followed by veno-occlusive thigh cuffs post-exercise for 6 h. We assessed routine blood parameters 14 days before bed rest, the respiratory capacity of PBMCs via high-resolution respirometry, and citrate synthase activity 2 days before and at day 30 of bed rest. We confirmed PBMC composition by flow cytometry. RESULTS The change of the PBMC maximal oxidative phosphorylation capacity (OXPHOS) amounted to an 11% increase in the countermeasure group, while it decreased by 10% in the control group (p = 0.04). The limitation of OXPHOS increased in control only while other respiratory states were not affected by either intervention. Correlation analysis revealed positive associations between white blood cells, lymphocytes, and basophils with PBMC bioenergetics in both groups. CONCLUSION This study reveals that a regular exercise countermeasure has a positive impact on PBMC mitochondrial function, confirming the potential application of blood cell bioenergetics for human spaceflight.
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Affiliation(s)
- F-M Buescher
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - M T Schmitz
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
- Institute of Medical Biometry, Informatics and Epidemiology, Medical Faculty, University of Bonn, Bonn, Germany
| | - T Frett
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - J Kramme
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
- Center for Endocrinology, Diabetes and Preventive Medicine (CEDP), University Hospital Cologne, Cologne, Germany
| | - L de Boni
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - E M Elmenhorst
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - E Mulder
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - S Moestl
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - K Heusser
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - P Frings-Meuthen
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - J Jordan
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
- Medical Faculty, University of Cologne, Cologne, Germany
| | - J Rittweger
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
| | - D Pesta
- German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany
- Center for Endocrinology, Diabetes and Preventive Medicine (CEDP), University Hospital Cologne, Cologne, Germany
- Medical Faculty, University of Cologne, Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
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4
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Picó C, Lurbe E, Keijer J, Kopecky J, Landrier JF, Álvarez-Pitti J, Martin JC, Oliver P, Palou A, Palou M, Zouhar P, Ribot J, Rodríguez AM, Sánchez J, Serra F, Bonet ML. Study protocol: Identification and validation of integrative biomarkers of physical activity level and health in children and adolescents (INTEGRActiv). Front Pediatr 2023; 11:1250731. [PMID: 37772038 PMCID: PMC10522911 DOI: 10.3389/fped.2023.1250731] [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: 06/30/2023] [Accepted: 08/30/2023] [Indexed: 09/30/2023] Open
Abstract
Background Physical activity (PA) provides health benefits across the lifespan and improves many established cardiovascular risk factors that have a significant impact on overall mortality. However, discrepancies between self-reported and device-based measures of PA make it difficult to obtain consistent results regarding PA and its health effects. Moreover, PA may produce different health effects depending on the type, intensity, duration, and frequency of activities and individual factors such as age, sex, body weight, early life conditions/exposures, etc. Appropriate biomarkers relating the degree of PA level with its effects on health, especially in children and adolescents, are required and missing. The main objective of the INTEGRActiv study is to identify novel useful integrative biomarkers of PA and its effects on the body health in children and adolescents, who represent an important target population to address personalized interventions to improve future metabolic health. Methods/design The study is structured in two phases. First, biomarkers of PA and health will be identified at baseline in a core cohort of 180 volunteers, distributed into two age groups: prepubertal (n = 90), and postpubertal adolescents (n = 90). Each group will include three subgroups (n = 30) with subjects of normal weight, overweight, and obesity, respectively. Identification of new biomarkers will be achieved by combining physical measures (PA and cardiorespiratory and muscular fitness, anthropometry) and molecular measures (cardiovascular risk factors, endocrine markers, cytokines and circulating miRNA in plasma, gene expression profile in blood cells, and metabolomics profiling in plasma). In the second phase, an educational intervention and its follow-up will be carried out in a subgroup of these subjects (60 volunteers), as a first validation step of the identified biomarkers. Discussion The INTEGRActiv study is expected to provide the definition of PA and health-related biomarkers (PA-health biomarkers) in childhood and adolescence. It will allow us to relate biomarkers to factors such as age, sex, body weight, sleep behavior, dietary factors, and pubertal status and to identify how these factors quantitatively affect the biomarkers' responses. Taken together, the INTEGRActiv study approach is expected to help monitor the efficacy of interventions aimed to improve the quality of life of children/adolescents through physical activity. Clinical Trial Registration ClinicalTrials.gov, Identifier NCT05907785.
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Affiliation(s)
- Catalina Picó
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
| | - Empar Lurbe
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
- Department of Pediatrics (Innovation in Paediatrics and Technologies-iPEDITEC- research group), Fundación de Investigación, Consorcio Hospital General, University of Valencia, Valencia, Spain
| | - Jaap Keijer
- Human and Animal Physiology, Wageningen University, Wageningen, Netherlands
| | - Jan Kopecky
- Laboratory of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | | | - Julio Álvarez-Pitti
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
- Department of Pediatrics (Innovation in Paediatrics and Technologies-iPEDITEC- research group), Fundación de Investigación, Consorcio Hospital General, University of Valencia, Valencia, Spain
| | | | - Paula Oliver
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
| | - Andreu Palou
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
| | - Mariona Palou
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
| | - Petr Zouhar
- Laboratory of Adipose Tissue Biology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Joan Ribot
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
| | - Ana M. Rodríguez
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
| | - Juana Sánchez
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
| | - Francisca Serra
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
| | - M. Luisa Bonet
- Laboratory of Molecular Biology, Nutrition and Biotechnology (Group of Nutrigenomics, Biomarkers and Risk Evaluation), University of the Balearic Islands (UIB), Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- CIBER de Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Madrid, Spain
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Stampley JE, Cho E, Wang H, Theall B, Johannsen NM, Spielmann G, Irving BA. Impact of maximal exercise on immune cell mobilization and bioenergetics. Physiol Rep 2023; 11:e15753. [PMID: 37312242 DOI: 10.14814/phy2.15753] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/12/2023] [Accepted: 05/31/2023] [Indexed: 06/15/2023] Open
Abstract
Acute aerobic exercise increases the number and proportions of circulating peripheral blood mononuclear cells (PMBC) and can alter PBMC mitochondrial bioenergetics. In this study, we aimed to examine the impact of a maximal exercise bout on immune cell metabolism in collegiate swimmers. Eleven (7 M/4F) collegiate swimmers completed a maximal exercise test to measure anaerobic power and capacity. Pre- and postexercise PBMCs were isolated to measure the immune cell phenotypes and mitochondrial bioenergetics using flow cytometry and high-resolution respirometry. The maximal exercise bout increased circulating levels of PBMCs, particularly in central memory (KLRG1+/CD57-) and senescent (KLRG1+/CD57+) CD8+ T cells, whether measured as a % of PMBCs or as absolute concentrations (all p < 0.05). At the cellularlevel, the routine oxygen flow (IO2 [pmol·s-1 ·106 PBMCs-1 ]) increased following maximal exercise (p = 0.042); however, there were no effects of exercise on the IO2 measured under the LEAK, oxidative phosphorylation (OXPHOS), or electron transfer (ET) capacities. There were exercise-induced increases in the tissue-level oxygen flow (IO2-tissue [pmol·s-1 ·mL blood-1 ]) for all respiratory states (all p < 0.01), except for the LEAK state, after accounting for the mobilization of PBMCs. Future subtype-specific studies are needed to characterize further maximal exercise's true impact on immune cell bioenergetics.
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Affiliation(s)
- James E Stampley
- School of Kinesiology, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Eunhan Cho
- School of Kinesiology, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Haoyan Wang
- School of Kinesiology, Louisiana State University, Baton Rouge, Louisiana, USA
- College of Physical Education and Health Sciences, Zhejiang Normal University, Jinhua, China
| | - Bailey Theall
- School of Kinesiology, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Neil M Johannsen
- School of Kinesiology, Louisiana State University, Baton Rouge, Louisiana, USA
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Guillaume Spielmann
- School of Kinesiology, Louisiana State University, Baton Rouge, Louisiana, USA
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Brian A Irving
- School of Kinesiology, Louisiana State University, Baton Rouge, Louisiana, USA
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, Louisiana, USA
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6
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The physical exercise-induced oxidative/inflammatory response in peripheral blood mononuclear cells: Signaling cellular energetic stress situations. Life Sci 2023; 321:121440. [PMID: 36921686 DOI: 10.1016/j.lfs.2023.121440] [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: 11/04/2022] [Revised: 01/14/2023] [Accepted: 01/22/2023] [Indexed: 03/14/2023]
Abstract
Peripheral blood mononuclear cells (PBMCs) are a variety of specialized immune cells produced in the bone marrow from hematopoietic stem cells (HSCs) that work together to protect our bodies from harmful pathogens. From a metabolic point of view, these cells can serve as sentinel tissue source for distinguishing multiple types of whole-body physiological perturbations. The significant interaction of PBMCs with systemic physiology makes these cells an attractive target for several interventions such as physical exercise. Analyses of oxidative/inflammatory and metabolic markers of PBMCs obtained from unhealthy and healthy humans have been used in monitoring immune response in different exercise conditions. It is already a common consensus that regular practice of physical exercise, that is planned, structured, and repetitive, influences personal health by altering the metabolic state and the immune system. However, the role of distinct metabolic processes responsible for maintaining metabolic balance during physical exercise in PBMCs is not fully understood. Furthermore, a complete dose-response analysis between different exercise protocols and biomarkers capable of predicting physical performance needs to be better elucidated. The absence of published reviews on this topic compromises the understanding of the crosstalk between the metabolic adaptations of PBMCs and exercise-induced changes in the immune system. Given the above, this review highlights the main findings in the literature involving the responses of PBMCs in the inflammatory/oxidative stress induced by physical exercise. The present review also highlights how distinct phenotypes and functional diversity of PBMCs make these cells an accessible alternative for assessing exercise-induced metabolic adaptations.
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Single and Joined Behaviour of Circulating Biomarkers and Metabolic Parameters in High-Fit and Low-Fit Healthy Females. Int J Mol Sci 2023; 24:ijms24044202. [PMID: 36835625 PMCID: PMC9960642 DOI: 10.3390/ijms24044202] [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: 12/18/2022] [Revised: 01/13/2023] [Accepted: 02/09/2023] [Indexed: 02/22/2023] Open
Abstract
Biomarkers are important in the assessment of health and disease, but are poorly studied in still healthy individuals with a (potential) different risk for metabolic disease. This study investigated, first, how single biomarkers and metabolic parameters, functional biomarker and metabolic parameter categories, and total biomarker and metabolic parameter profiles behave in young healthy female adults of different aerobic fitness and, second, how these biomarkers and metabolic parameters are affected by recent exercise in these healthy individuals. A total of 102 biomarkers and metabolic parameters were analysed in serum or plasma samples from 30 young, healthy, female adults divided into a high-fit (V̇O2peak ≥ 47 mL/kg/min, N = 15) and a low-fit (V̇O2peak ≤ 37 mL/kg/min, N = 15) group, at baseline and overnight after a single bout of exercise (60 min, 70% V̇O2peak). Our results show that total biomarker and metabolic parameter profiles were similar between high-fit and low-fit females. Recent exercise significantly affected several single biomarkers and metabolic parameters, mostly related to inflammation and lipid metabolism. Furthermore, functional biomarker and metabolic parameter categories corresponded to biomarker and metabolic parameter clusters generated via hierarchical clustering models. In conclusion, this study provides insight into the single and joined behavior of circulating biomarkers and metabolic parameters in healthy females, and identified functional biomarker and metabolic parameter categories that may be used for the characterisation of human health physiology.
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Costa A, van der Stelt I, Reynés B, Konieczna J, Fiol M, Keijer J, Palou A, Romaguera D, van Schothorst EM, Oliver P. Whole-Genome Transcriptomics of PBMC to Identify Biomarkers of Early Metabolic Risk in Apparently Healthy People with Overweight-Obesity and in Normal-Weight Subjects. Mol Nutr Food Res 2023; 67:e2200503. [PMID: 36564895 DOI: 10.1002/mnfr.202200503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
SCOPE Peripheral blood mononuclear cells (PBMC) provide a useful and minimally invasive source of biomarkers. Here to identify PBMC transcriptomic biomarkers predictive of metabolic impairment related to increased adiposity is aimed. METHODS AND RESULTS The study analyzed the global PBMC transcriptome in metabolically healthy (normoglycemic) volunteers with overweight-obesity (OW-OB, n = 12), and in subjects with metabolically obese normal-weight (MONW, n = 5) phenotype, in comparison to normal-weight (NW, n = 12) controls. The study identifies 1072 differentially expressed genes (DEGs) in OW-OB versus NW and 992 in MONW versus NW. Hierarchical clustering of the top 100 DEGs clearly distinguishes OW-OB and MONW from NW. Remarkably, the OW-OB and MONW phenotypes share 257 DEGs regulated in the same direction. The top up-regulated gene CXCL8, coding for interleukin 8, with a role in obesity-related pathologies, is of special interest as a potential marker for predicting increased metabolic risk. CXCL8 expression is increased mainly in the MONW group and correlated directly with C-reactive protein levels. CONCLUSIONS PBMC gene expression analysis of CXCL8 or a pool of DEGs may be used to identify early metabolic risk in an apparently healthy population regardless of their BMI, i.e., subjects with OW-OB or MONW phenotype and to apply adequate and personalized nutritional preventive strategies.
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Affiliation(s)
- Andrea Costa
- Nutrigenomics, Biomarkers and Risk Evaluation (NuBE) group, University of the Balearic Islands (UIB), Palma, Mallorca, 07122, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Mallorca, 07010, Spain.,CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, 28029, Spain
| | - Inge van der Stelt
- Human and Animal Physiology, Wageningen University, Wageningen, 6708, The Netherlands
| | - Bàrbara Reynés
- Nutrigenomics, Biomarkers and Risk Evaluation (NuBE) group, University of the Balearic Islands (UIB), Palma, Mallorca, 07122, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Mallorca, 07010, Spain.,CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, 28029, Spain
| | - Jadwiga Konieczna
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Mallorca, 07010, Spain.,CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, 28029, Spain.,Research Group on Nutritional Epidemiology & Cardiovascular Physiopathology (NUTRECOR), University Hospital Son Espases (HUSE), Palma, Mallorca, 07120, Spain
| | - Miquel Fiol
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Mallorca, 07010, Spain.,CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, 28029, Spain.,Research Group on Nutritional Epidemiology & Cardiovascular Physiopathology (NUTRECOR), University Hospital Son Espases (HUSE), Palma, Mallorca, 07120, Spain
| | - Jaap Keijer
- Human and Animal Physiology, Wageningen University, Wageningen, 6708, The Netherlands
| | - Andreu Palou
- Nutrigenomics, Biomarkers and Risk Evaluation (NuBE) group, University of the Balearic Islands (UIB), Palma, Mallorca, 07122, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Mallorca, 07010, Spain.,CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, 28029, Spain
| | - Dora Romaguera
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Mallorca, 07010, Spain.,CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, 28029, Spain.,Research Group on Nutritional Epidemiology & Cardiovascular Physiopathology (NUTRECOR), University Hospital Son Espases (HUSE), Palma, Mallorca, 07120, Spain
| | | | - Paula Oliver
- Nutrigenomics, Biomarkers and Risk Evaluation (NuBE) group, University of the Balearic Islands (UIB), Palma, Mallorca, 07122, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Mallorca, 07010, Spain.,CIBER of Physiopathology of Obesity and Nutrition (CIBEROBN), Instituto de Salud Carlos III, Madrid, 28029, Spain
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