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Asadie M, Miri A, Badri T, Hosseini Nejad J, Gharechahi J. Dysregulated AEBP1 and COLEC12 Genes in Late-Onset Alzheimer's Disease: Insights from Brain Cortex and Peripheral Blood Analysis. J Mol Neurosci 2024; 74:37. [PMID: 38568322 DOI: 10.1007/s12031-024-02212-8] [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: 01/29/2024] [Accepted: 03/21/2024] [Indexed: 04/05/2024]
Abstract
Alzheimer's disease (AD) is a progressive neurodegenerative disorder characterized by memory and cognitive impairment, often accompanied by alterations in mood, confusion, and, ultimately, a state of acute mental disturbance. The cerebral cortex is considered a promising area for investigating the underlying causes of AD by analyzing transcriptional patterns, which could be complemented by investigating blood samples obtained from patients. We analyzed the RNA expression profiles of three distinct areas of the brain cortex, including the frontal cortex (FC), temporal cortex (TC), and entorhinal cortex (EC) in patients with AD. Functional enrichment analysis was performed on the differentially expressed genes (DEGs) across the three regions. The two genes with the most significant expression changes in the EC region were selected for assessing mRNA expression levels in the peripheral blood of late-onset AD patients using quantitative PCR (qPCR). We identified eight shared DEGs in these regions, including AEBP1 and COLEC12, which exhibited prominent changes in expression. Functional enrichment analysis uncovered a significant association of these DEGs with the transforming growth factor-β (TGF-β) signaling pathway and processes related to angiogenesis. Importantly, we established a robust connection between the up-regulation of AEBP1 and COLEC12 in both the brain and peripheral blood. Furthermore, we have demonstrated the potential of AEBP1 and COLEC12 genes as effective diagnostic tools for distinguishing between late-onset AD patients and healthy controls. This study unveils the intricate interplay between AEBP1 and COLEC12 in AD and underscores their potential as markers for disease detection and monitoring.
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Affiliation(s)
- Mohamadreza Asadie
- Human Genetics Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ali Miri
- Human Genetics Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Taleb Badri
- Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Javad Hosseini Nejad
- Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Javad Gharechahi
- Human Genetics Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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Sakkaki E, Jafari B, Gharesouran J, Rezazadeh M. Gene expression patterns of CRYM and SIGLEC10 in Alzheimer's disease: potential early diagnostic indicators. Mol Biol Rep 2024; 51:349. [PMID: 38401023 DOI: 10.1007/s11033-023-09113-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 12/06/2023] [Indexed: 02/26/2024]
Abstract
BACKGROUND Alzheimer's disease (AD) is a neurological condition that may lead to dementia as well as a slow and steady decline in cognitive ability. Finding early signs that may be used in the diagnosis of AD is still a difficult aim to achieve in the field of medical practice. METHODS AND RESULTS The purpose of this research was to investigate to determine any differences in the gene expression patterns of crystallin mu (CRYM) and sialic acid-binding immunoglobulin-like lectin 10 (SIGLEC10) in whole blood samples obtained from fifty individuals who were diagnosed with AD and fifty individuals as a control group. When compared with controls, it was discovered that the expression of the CRYM gene was substantially decreased in AD patients, but the expression of the SIGLEC10 gene was significantly higher. A positive correlation between CRYM and SIGLEC10 was noticed solely in patients with AD. Furthermore, assessing the diagnostic value of these genes, CRYM and SIGLEC10 transcript levels displayed an area under the curve (AUC) of 0.74 and 0.81, respectively. CONCLUSIONS These results suggest that alterations in CRYM and SIGLEC10 expression may be implicated in AD pathology and that these genes expression levels can potentially serve as biomarkers for early detection and diagnosis of AD. Nevertheless, further validation of these findings requires the inclusion of more extensive and heterogeneous cohorts. The findings derived from this study possess the capability to offer a significant contribution towards the progression of innovative diagnostic and therapeutic strategies for AD.
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Affiliation(s)
- Ehsan Sakkaki
- Department of Genetics, Ahar Branch, Islamic Azad University, Ahar, Iran
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behboud Jafari
- Department of Microbiology, Ahar Branch, Islamic Azad University, Ahar, Iran.
| | - Jalal Gharesouran
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Rezazadeh
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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Cincotta AH, Cersosimo E, Alatrach M, Ezrokhi M, Agyin C, Adams J, Chilton R, Triplitt C, Chamarthi B, Cominos N, DeFronzo RA. Bromocriptine-QR Therapy Reduces Sympathetic Tone and Ameliorates a Pro-Oxidative/Pro-Inflammatory Phenotype in Peripheral Blood Mononuclear Cells and Plasma of Type 2 Diabetes Subjects. Int J Mol Sci 2022; 23:ijms23168851. [PMID: 36012132 PMCID: PMC9407769 DOI: 10.3390/ijms23168851] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/01/2022] [Accepted: 08/03/2022] [Indexed: 11/16/2022] Open
Abstract
Bromocriptine-QR is a sympatholytic dopamine D2 agonist for the treatment of type 2 diabetes that has demonstrated rapid (within 1 year) substantial reductions in adverse cardiovascular events in this population by as yet incompletely delineated mechanisms. However, a chronic state of elevated sympathetic nervous system activity and central hypodopaminergic function has been demonstrated to potentiate an immune system pro-oxidative/pro-inflammatory condition and this immune phenotype is known to contribute significantly to the advancement of cardiovascular disease (CVD). Therefore, the possibility exists that bromocriptine-QR therapy may reduce adverse cardiovascular events in type 2 diabetes subjects via attenuation of this underlying chronic pro-oxidative/pro-inflammatory state. The present study was undertaken to assess the impact of bromocriptine-QR on a wide range of immune pro-oxidative/pro-inflammatory biochemical pathways and genes known to be operative in the genesis and progression of CVD. Inflammatory peripheral blood mononuclear cell biology is both a significant contributor to cardiovascular disease and also a marker of the body’s systemic pro-inflammatory status. Therefore, this study investigated the effects of 4-month circadian-timed (within 2 h of waking in the morning) bromocriptine-QR therapy (3.2 mg/day) in type 2 diabetes subjects whose glycemia was not optimally controlled on the glucagon-like peptide 1 receptor agonist on (i) gene expression status (via qPCR) of a wide array of mononuclear cell pro-oxidative/pro-inflammatory genes known to participate in the genesis and progression of CVD (OXR1, NRF2, NQO1, SOD1, SOD2, CAT, GSR, GPX1, GPX4, GCH1, HMOX1, BiP, EIF2α, ATF4, PERK, XBP1, ATF6, CHOP, GSK3β, NFkB, TXNIP, PIN1, BECN1, TLR2, TLR4, TLR10, MAPK8, NLRP3, CCR2, GCR, L-selectin, VCAM1, ICAM1) and (ii) humoral measures of sympathetic tone (norepinephrine and normetanephrine), whole-body oxidative stress (nitrotyrosine, TBARS), and pro-inflammatory factors (IL-1β, IL-6, IL-18, MCP-1, prolactin, C-reactive protein [CRP]). Relative to pre-treatment status, 4 months of bromocriptine-QR therapy resulted in significant reductions of mRNA levels in PBMC endoplasmic reticulum stress-unfolded protein response effectors [GRP78/BiP (34%), EIF2α (32%), ATF4 (29%), XBP1 (25%), PIN1 (14%), BECN1 (23%)], oxidative stress response proteins [OXR1 (31%), NRF2 (32%), NQO1 (39%), SOD1 (52%), CAT (26%), GPX1 (33%), GPX4 (31%), GCH1 (30%), HMOX1 (40%)], mRNA levels of TLR pro-inflammatory pathway proteins [TLR2 (46%), TLR4 (20%), GSK3β (19%), NFkB (33%), TXNIP (18%), NLRP3 (32%), CCR2 (24%), GCR (28%)], mRNA levels of pro-inflammatory cellular receptor proteins CCR2 and GCR by 24% and 28%, and adhesion molecule proteins L-selectin (35%) and VCAM1 (24%). Relative to baseline, bromocriptine-QR therapy also significantly reduced plasma levels of norepinephrine and normetanephrine by 33% and 22%, respectively, plasma pro-oxidative markers nitrotyrosine and TBARS by 13% and 10%, respectively, and pro-inflammatory factors IL-18, MCP1, IL-1β, prolactin, and CRP by 21%,13%, 12%, 42%, and 45%, respectively. These findings suggest a unique role for circadian-timed bromocriptine-QR sympatholytic dopamine agonist therapy in reducing systemic low-grade sterile inflammation to thereby reduce cardiovascular disease risk.
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Affiliation(s)
- Anthony H. Cincotta
- VeroScience LLC, Tiverton, RI 02878, USA
- Correspondence: ; Tel.: +1-401-816-0525
| | - Eugenio Cersosimo
- Texas Diabetes Institute, University Health System, San Antonio, TX 78207, USA
- Division of Diabetes, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Mariam Alatrach
- Texas Diabetes Institute, University Health System, San Antonio, TX 78207, USA
- Division of Diabetes, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | | | - Christina Agyin
- Texas Diabetes Institute, University Health System, San Antonio, TX 78207, USA
- Division of Diabetes, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - John Adams
- Texas Diabetes Institute, University Health System, San Antonio, TX 78207, USA
- Division of Diabetes, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Robert Chilton
- Texas Diabetes Institute, University Health System, San Antonio, TX 78207, USA
- Division of Diabetes, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | - Curtis Triplitt
- Texas Diabetes Institute, University Health System, San Antonio, TX 78207, USA
- Division of Diabetes, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
| | | | | | - Ralph A. DeFronzo
- Texas Diabetes Institute, University Health System, San Antonio, TX 78207, USA
- Division of Diabetes, Department of Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229, USA
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Common and personal target genes of the micronutrient vitamin D in primary immune cells from human peripheral blood. Sci Rep 2020; 10:21051. [PMID: 33273683 PMCID: PMC7713372 DOI: 10.1038/s41598-020-78288-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 11/24/2020] [Indexed: 12/25/2022] Open
Abstract
Vitamin D is essential for the function of the immune system. In this study, we treated peripheral blood mononuclear cells (PBMCs) of healthy adults with the biologically active form of vitamin D3, 1α,25-dihydroxyvitamin D3 (1,25(OH)2D3) using two different approaches: single repeats with PBMCs obtained from a cohort of 12 individuals and personalized analysis based on triplicates of five study participants. This identified 877 (cohort approach) and 3951 (personalized approach) genes that significantly (p < 0.05) changed their expression 24 h after 1,25(OH)2D3 stimulation. From these, 333 and 1232 were classified as supertargets, a third of which were identified as novel. Individuals differed largely in their vitamin D response not only by the magnitude of expression change but also by their personal selection of (super)target genes. Functional analysis of the target genes suggested the overarching role of vitamin D in the regulation of metabolism, proliferation and differentiation, but in particular in the control of functions mediated by the innate and adaptive immune system, such as responses to infectious diseases and chronic inflammatory disorders. In conclusion, immune cells are an important target of vitamin D and common genes may serve as biomarkers for personal responses to the micronutrient.
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Christensen JJ, Ulven SM, Thoresen M, Westerman K, Holven KB, Andersen LF. Associations between dietary patterns and gene expression pattern in peripheral blood mononuclear cells: A cross-sectional study. Nutr Metab Cardiovasc Dis 2020; 30:2111-2122. [PMID: 32807640 DOI: 10.1016/j.numecd.2020.06.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 05/25/2020] [Accepted: 06/18/2020] [Indexed: 01/12/2023]
Abstract
BACKGROUND AND AIMS Diet may alter gene expression in immune cells involved in atherosclerotic cardiovascular disease susceptibility. However, we still lack a robust understanding of the association between diet and immune cell-related gene expression in humans. Therefore, we examined associations between dietary patterns (DPs) and gene expression profiles in peripheral blood mononuclear cells (PBMCs) in a population of healthy, Norwegian adults (n = 130 women and 105 men). METHODS AND RESULTS We used factor analysis to define a posteriori DPs from food frequency questionnaire-based dietary assessment data. In addition, we derived interpretable features from microarray-based gene expression data (13 967 transcripts) using two algorithms: CIBERSORT for estimation of cell subtype proportions, and weighted gene co-expression network analysis (WGCNA) for cluster discovery. Finally, we associated DPs with either CIBERSORT-predicted PBMC leukocyte distribution or WGCNA gene clusters using linear regression models. We detected three DPs that broadly reflected Western, Vegetarian, and Low carbohydrate diets. CIBERSORT-predicted percentage of monocytes associated negatively with the Vegetarian DP. For women, the Vegetarian DP associated with a large gene cluster consisting of 600 genes mainly involved in regulation of DNA transcription, whereas for men, the Western DP inversely associated with a smaller cluster of 36 genes mainly involved in regulation of metabolic and inflammatory processes. A subsequent protein-protein interaction network analysis suggested that genes within these clusters might physically interact in biological networks. CONCLUSIONS Although the present findings are exploratory, our analysis pipeline serves as a useful framework for studying the association between diet and gene expression.
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Affiliation(s)
- Jacob J Christensen
- Norwegian National Advisory Unit on Familial Hypercholesterolemia, Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital, Forskningsveien 2B, 0373 Oslo, Norway; Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway.
| | - Stine M Ulven
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
| | - Magne Thoresen
- Department of Biostatistics, Institute of Basic Medical Sciences, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
| | - Kenneth Westerman
- Clinical and Translation Epidemiology Unit, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA; Programs in Metabolism and Medical & Population Genetics, Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Kirsten B Holven
- Norwegian National Advisory Unit on Familial Hypercholesterolemia, Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital, Forskningsveien 2B, 0373 Oslo, Norway; Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
| | - Lene F Andersen
- Department of Nutrition, Institute of Basic Medical Sciences, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
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Manotas MC, Calderón JC, López-Kleine L, Suárez-Obando F, Moreno OM, Rojas A. Identification of common differentially expressed genes in Turner (45,X) and Klinefelter (47,XXY) syndromes using bioinformatics analysis. Mol Genet Genomic Med 2020; 8:e1503. [PMID: 32959501 PMCID: PMC7667333 DOI: 10.1002/mgg3.1503] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 08/14/2020] [Accepted: 08/30/2020] [Indexed: 12/12/2022] Open
Abstract
Background Analysis of patients with chromosomal abnormalities, including Turner syndrome and Klinefelter syndrome, has highlighted the importance of X‐linked gene dosage as a contributing factor for disease susceptibility. Escape from X‐inactivation and X‐linked imprinting can result in transcriptional differences between normal men and women as well as in patients with sex chromosome abnormalities. Objective To identify differentially expressed genes among patients with Turner (45,X) and Klinefelter (46,XXY) syndrome using bioinformatics analysis. Methodology Two gene expression data sets of Turner (45,X) and Klinefelter syndrome (47,XXY) were obtained from the Gene Omnibus Expression (GEO) database of the National Center for Biotechnology Information (NCBI). Statistical analysis was performed using R Bioconductor libraries. Differentially expressed genes (DEGs) were determined using significance analysis of microarray (SAM). The functional annotation of the DEGs was performed with DAVID v6.8 (The Database for Annotation, Visualization, and Integrated Discovery). Results There are no genes over‐expressed simultaneously in both diseases. However, when crossing the list of under‐expressed genes for 45,X cells and the list of over‐expressed genes for 47,XXY cells, there are 16 common genes: SLC25A6, AKAP17A, ASMTL, KDM5C, KDM6A, ATRX, CSF2RA, DHRSX, CD99, ZBED1, EIF1AX, MVB12B, SMC1A, P2RY8, DOCK7, DDX3X, eight of which are involved in the regulation of gene expression by epigenetic mechanisms, regulation of splicing processes and protein synthesis. Conclusion Of the 16 identified as under‐expressed in 45,X cells and over‐expressed in 47,XXY cells, 14 are located in X chromosome and 2 in autosomal chromosome; 8 of these genes are involved in the regulation of gene expression: 5 genes are related to epigenetic mechanisms, 2 in regulation of splicing processes, and 1 in the protein synthesis process. Our results are limited by it being the product of a bioinformatic analysis from mRNA isolated from whole blood, this makes necessary further exploration of the relationships between these genes and Turner syndrome and Klinefelter syndrome in the future.
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Affiliation(s)
- María Carolina Manotas
- Institute of Human Genetics. Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Juan Camilo Calderón
- Department of Statistics, Faculty of Science, Universidad Nacional de Colombia, Ciudad Universitaria, Bogotá, Colombia
| | - Liliana López-Kleine
- Department of Statistics, Faculty of Science, Universidad Nacional de Colombia, Ciudad Universitaria, Bogotá, Colombia
| | - Fernando Suárez-Obando
- Institute of Human Genetics. Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Olga M Moreno
- Institute of Human Genetics. Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá, Colombia
| | - Adriana Rojas
- Institute of Human Genetics. Faculty of Medicine, Pontificia Universidad Javeriana, Bogotá, Colombia
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Hosseini Khorami SA, Mutalib MSA, Feili Shiraz M, Abdullah JA, Rejali Z, Ali RM, Khaza'ai H. Genetic determinants of obesity heterogeneity in type II diabetes. Nutr Metab (Lond) 2020; 17:55. [PMID: 32670384 PMCID: PMC7346329 DOI: 10.1186/s12986-020-00476-6] [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: 03/21/2020] [Accepted: 07/01/2020] [Indexed: 11/23/2022] Open
Abstract
Background Although obesity is considered as the main cause of Type II diabetes (T2DM), non-obese individuals may still develop T2DM and obese individuals may not. Method The mRNA expression of PI3K/AKT axis from 100 non-obese and obese participants with insulin sensitivity and insulin resistance states were compared in this study toward the understanding of obesity heterogeneity molecular mechanism. Result In present study, there was no statistically significant difference in gene expression levels of IRS1 and PTEN between groups, whereas PI3K, AKT2 and GLUT4 genes were expressed at a lower level in obese diabetic group compared to other groups and were statistically significant. PDK1 gene was expressed at a higher level in non-obese diabetic group compared to obese diabetic and non-obese non-diabetics groups. No statistically significant difference was identified in gene expression pattern of PI3K/AKT pathway between obese non-diabetics and non-obese non-diabetics. Conclusion The components of PI3K/AKT pathway which is related to the fasting state, showed reduced expression in obese diabetic group due to the chronic over-nutrition which may induced insensitivity and reduced gene expression. The pathogenesis of insulin resistance in the absence of obesity in non-obese diabetic group could be due to disturbance in another pathway related to the non-fasting state like gluconeogenesis. Therefore, the molecular mechanism of insulin signalling in non-obese diabetic individuals is different from obese diabetics which more investigations are required to study insulin signalling pathways in greater depth, in order to assess nutritional factors, contribute to insulin resistance in obese diabetic and non-obese diabetic individuals.
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Affiliation(s)
| | - Mohd Sokhini Abd Mutalib
- Department of Nutrition and Dietetic, University Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Mohammad Feili Shiraz
- Department of Artificial Intelligence and Computer Engineering, Faculty of Electrical Engineering, Computer and IT, Qazvin Branch, Islamic Azad University, Qazvin, Iran
| | | | - Zulida Rejali
- Department of Obstetrics and Gynaecology, University Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Razana Mohd Ali
- Department of Pathology, University Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Huzwah Khaza'ai
- Department of Biomedical Science, University Putra Malaysia, 43400 Serdang, Selangor Malaysia
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Gene expression signature induced by grape intake in healthy subjects reveals wide-spread beneficial effects on peripheral blood mononuclear cells. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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Jamshidi N, Mantri N, Cohen MM. Acute effects of dietary plant nutrients on transcriptome profiles: evidence from human studies. Crit Rev Food Sci Nutr 2019; 60:1869-1880. [PMID: 31032630 DOI: 10.1080/10408398.2019.1608154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The health benefits of long-term dietary plant ingestion are well-established. However, literature on acute nutritional challenges is very limited. This study aimed to identify available evidence on transcriptomics responses to acute ingestion of plants or plant extracts and identify signature gene profiles that may serve as biomarkers of health status. We systematically searched electronic databases and extracted information based-on inclusion criteria such as human clinical studies, single plant-based nutrients and outcomes reported on acute transcriptome responses. A total of 11 studies reported on acute intake of plant dietary interventions. Four studies investigating natural oil extracts with three reporting on whole plants and two studies on natural plant-derived extracts. Gene expression was found to be associated with immune response (7 studies), inflammation (9 studies), metabolism (8 studies), cellular processes and cancer. The finding of this systematic review suggests that acute ingestion may significantly impact diverse physiological and pathological pathways including inflammatory, immune, cancer and oxidative stress pathways. Transcriptomics approach is proven to be an effective strategy in discovery of these anticipated mechanisms. Further studies are now required to validate and continue exploring the short-term health impact of dietary plants and their bioactive phytochemicals on gene expression and function.
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Affiliation(s)
- Negar Jamshidi
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Victoria, Australia
| | - Nitin Mantri
- School of Science, RMIT University, Bundoora, Victoria, Australia
| | - Marc M Cohen
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Victoria, Australia
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B Barnung R, H Nøst T, Ulven SM, Skeie G, S Olsen K. Coffee Consumption and Whole-Blood Gene Expression in the Norwegian Women and Cancer Post-Genome Cohort. Nutrients 2018; 10:nu10081047. [PMID: 30096876 PMCID: PMC6115989 DOI: 10.3390/nu10081047] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 07/27/2018] [Accepted: 08/07/2018] [Indexed: 11/19/2022] Open
Abstract
Norwegians are the second highest consumers of coffee in the world. Lately, several studies have suggested that beneficial health effects are associated with coffee consumption. By analyzing whole-blood derived, microarray based mRNA gene expression data from 958 cancer-free women from the Norwegian Women and Cancer Post-Genome Cohort, we assessed the potential associations between coffee consumption and gene expression profiles and elucidated functional interpretation. Of the 958 women included, 132 were considered low coffee consumers (<1 cup of coffee/day), 422 moderate coffee consumers (1–3 cups of coffee/day), and 404 were high coffee consumers (>3 cups of coffee/day). At a false discovery rate <0.05, 139 genes were differentially expressed between high and low consumers of coffee. A subgroup of 298 nonsmoking, low tea consumers was established to isolate the effects of coffee from smoking and potential caffeine containing tea consumption. In this subgroup, 297 genes were found to be differentially expressed between high and low coffee consumers. Results indicate differentially expressed genes between high and low consumers of coffee with functional interpretations pointing towards a possible influence on metabolic pathways and inflammation.
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Affiliation(s)
- Runa B Barnung
- Department of Community Medicine, Faculty of Health Sciences, University of Tromsø-The Arctic University of Norway, 9037 Tromsø, Norway.
| | - Therese H Nøst
- Department of Community Medicine, Faculty of Health Sciences, University of Tromsø-The Arctic University of Norway, 9037 Tromsø, Norway.
| | - Stine M Ulven
- Department of Nutrition, Institute for Basic Medical Sciences, University of Oslo, P.O. Box 1046 Blindern, 0317 Oslo, Norway.
| | - Guri Skeie
- Department of Community Medicine, Faculty of Health Sciences, University of Tromsø-The Arctic University of Norway, 9037 Tromsø, Norway.
| | - Karina S Olsen
- Department of Community Medicine, Faculty of Health Sciences, University of Tromsø-The Arctic University of Norway, 9037 Tromsø, Norway.
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Barrera-Reyes PK, Hernández-Ramírez N, Cortés J, Poquet L, Redeuil K, Rangel-Escareño C, Kussmann M, Silva-Zolezzi I, Tejero ME. Gene expression changes by high-polyphenols cocoa powder intake: a randomized crossover clinical study. Eur J Nutr 2018; 58:1887-1898. [PMID: 29948216 PMCID: PMC6647247 DOI: 10.1007/s00394-018-1736-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 05/29/2018] [Indexed: 12/12/2022]
Abstract
Purpose To assess the effect of the intake of a single dose of high-polyphenols cocoa on gene expression in peripheral mononuclear cells (PBMCs), and analyze conjugated (−)-epicatechin metabolites in plasma, which may be related with an antioxidant response in healthy human. Methods A randomized, controlled, double-blind, cross-over, clinical trial in healthy young adults who consumed a single dose of high-polyphenols cocoa powder and maltodextrins as control, with a one-week washout period. Analysis of circulating metabolites, plasma antioxidant capacity and gene expression changes in PBMCs were performed under fasting conditions and 2-h after treatment using microarray in a subsample. Pathway analysis was conducted using Ingenuity Pathway Analysis (IPA). Results Twenty healthy participants (9 F) were included in the study. A significant increase in circulating (−)-epicatechin metabolites was found after cocoa intake in all participants without related changes in antioxidant capacity of plasma. The metabolites profile slightly varied across subjects. Treatments triggered different transcriptional changes in PBMC. A group of 98 genes showed changes in expression after cocoa treatment, while only 18 were modified by control. Differentially expressed genes included inflammatory cytokines and other molecules involved in redox balance. Gene and network analysis after cocoa intake converged in functions annotated as decreased production of reactive oxygen species (p = 9.58E−04), decreased leukocyte activation (p = 4E−03) and calcium mobilization (p = 2.51E–05). Conclusions No association was found between conjugated metabolites in plasma and antioxidant capacity. Changes in PBMCs gene expression suggest anti-inflammatory effects. Electronic supplementary material The online version of this article (10.1007/s00394-018-1736-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- P K Barrera-Reyes
- Nutrigenomics and Nutrigenetics, National Institute of Genomic Medicine, 14610, Mexico City, Mexico
| | - N Hernández-Ramírez
- Nutrigenomics and Nutrigenetics, National Institute of Genomic Medicine, 14610, Mexico City, Mexico
| | - J Cortés
- Nutrigenomics and Nutrigenetics, National Institute of Genomic Medicine, 14610, Mexico City, Mexico
| | - L Poquet
- Vitamins and Phytonutrients, Nestlé Research Centre, 1000, Lausanne, Switzerland
| | - K Redeuil
- Vitamins and Phytonutrients, Nestlé Research Centre, 1000, Lausanne, Switzerland
| | - C Rangel-Escareño
- Computational Genomics, National Institute of Genomic Medicine, 14610, Mexico City, Mexico
| | - M Kussmann
- Systems Nutrition, Metabonomics and Proteomics, Nestlé Institute of Health Sciences, 1015, Lausanne, Switzerland.,Liggins Institute, 1142, Auckland, New Zealand
| | - I Silva-Zolezzi
- Metabolic Programming, Nestlé Research Centre, 1000, Lausanne, Switzerland
| | - M E Tejero
- Nutrigenomics and Nutrigenetics, National Institute of Genomic Medicine, 14610, Mexico City, Mexico.
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Distinct transcriptional and metabolic profiles associated with empathy in Buddhist priests: a pilot study. Hum Genomics 2017; 11:21. [PMID: 28865488 PMCID: PMC5581455 DOI: 10.1186/s40246-017-0117-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 08/20/2017] [Indexed: 02/08/2023] Open
Abstract
Background Growing evidence suggests that spiritual/religious involvement may have beneficial effects on both psychological and physical functions. However, the biological basis for this relationship remains unclear. This study explored the role of spiritual/religious involvement across a wide range of biological markers, including transcripts and metabolites, associated with the psychological aspects of empathy in Buddhist priests. Methods Ten professional Buddhist priests and 10 age-matched non-priest controls were recruited. The participants provided peripheral blood samples for the analysis of gene expression and metabolic profiles. The participants also completed validated questionnaires measuring empathy, the Health-Promoting Lifestyle Profile-II (HPLP-II), and a brief-type self-administered diet history questionnaire (BDHQ). Results The microarray analyses revealed that the distinct transcripts in the Buddhist priests included up-regulated genes related to type I interferon (IFN) innate anti-viral responses (i.e., MX1, RSAD2, IFIT1, IFIT3, IFI27, IFI44L, and HERC5), and the genes C17orf97 (ligand of arginyltranseferase 1; ATE1), hemoglobin γA (HBG1), keratin-associated protein (KRTAP10-12), and sialic acid Ig-like lectin 14 (SIGLEC14) were down-regulated at baseline. The metabolomics analysis revealed that the metabolites, including 3-aminoisobutylic acid (BAIBA), choline, several essential amino acids (e.g., methionine, phenylalanine), and amino acid derivatives (e.g., 2-aminoadipic acid, asymmetric dimethyl-arginine (ADMA), symmetric dimethyl-arginine (SMDA)), were elevated in the Buddhist priests. By contrast, there was no significant difference of healthy lifestyle behaviors and daily nutrient intakes between the priests and the controls in this study. With regard to the psychological aspects, the Buddhist priests showed significantly higher empathy compared with the control. Spearman’s rank correlation analysis showed that empathy aspects in the priests were significantly correlated with the certain transcripts and metabolites. Conclusions We performed in vivo phenotyping using transcriptomics, metabolomics, and psychological analyses and found an association between empathy and the phenotype of Buddhist priests in this pilot study. The up-regulation of the anti-viral type I IFN responsive genes and distinct metabolites in the plasma may represent systemic biological adaptations with a unique signature underlying spiritual/religious practices for Buddhists. Electronic supplementary material The online version of this article (10.1186/s40246-017-0117-3) contains supplementary material, which is available to authorized users.
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Human Intervention Study to Assess the Effects of Supplementation with Olive Leaf Extract on Peripheral Blood Mononuclear Cell Gene Expression. Int J Mol Sci 2016; 17:ijms17122019. [PMID: 27918443 PMCID: PMC5187819 DOI: 10.3390/ijms17122019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 11/21/2016] [Accepted: 11/23/2016] [Indexed: 12/11/2022] Open
Abstract
Olive leaf extract (OLE) has been used for many years for its putative health benefits, but, to date, scientific evidence for the basis of these effects has been weak. Although recent literature has described a link between ailments such as cardiovascular disease, diabetes and cancer and a protective effect of polyphenols in the OLE, the mode of action is still unclear. Here, we describe a double-blinded placebo (PBO)-controlled trial, in which gene expression profiles of peripheral blood mononuclear cells from healthy male volunteers (n = 29) were analysed to identify genes that responded to OLE, following an eight-week intervention with 20 mL daily consumption of either OLE or PBO. Differences between groups were determined using an adjusted linear model. Subsequent analyses indicated downregulation of genes important in inflammatory pathways, lipid metabolism and cancer as a result of OLE consumption. Gene expression was verified by real-time PCR for three genes (EGR1, COX-2 and ID3). The results presented here suggest that OLE consumption may result in health benefits through influencing the expression of genes in inflammatory and metabolic pathways. Future studies with a larger study group, including male and female participants, looking into direct effects of OLE on lipid metabolism and inflammation are warranted.
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