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Leońska-Duniec A, Lepionka W, Brodkiewicz A, Buryta M. Association of the IL1A and IL6 polymorphisms with posttraining changes in body mass, composition, and biochemical parameters in Caucasian women. Biol Sport 2024; 41:47-56. [PMID: 38524816 PMCID: PMC10955753 DOI: 10.5114/biolsport.2024.131415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/19/2023] [Accepted: 08/30/2023] [Indexed: 03/26/2024] Open
Abstract
Polymorphisms located in IL1A and IL6 are promising markers of obesity-related traits; however, studies concerning their potential impact on the effectiveness of lifestyle interventions are lacking. Therefore, the aim was to examine the association between the polymorphic sites located in IL1A (rs1800587) and IL6 (rs1800795, rs1800796, and rs1800797) and the body's response to a 12-week training program. We studied the genotype distribution in a group of 168 Caucasian females in whom body mass and composition parameters, the lipid profile, and glucose levels were measured before and after the exercise period. Our results showed that carriers of the IL1A rs1800597 CC genotype exhibited a significant decrease in total body water (TBW) in response to training (p = 0.045). Additionally, carriers of the IL6 rs1800797 GG and GA genotypes demonstrated a posttraining decrease in body mass index (BMI) (p = 0.039). Haplotype analysis revealed that only rare haplotypes, namely, GGA, CGG and CCG (rs1800795, rs1800796, and rs1800797, respectively), were linked to changes in phenotype, yet assessing individual haplotype effects was not possible. Studies of the interactions between these genes showed that carrying the TC-GG genotype (rs1800587-rs1800795 and rs1800587-rs1800796) may be associated with greater posttraining decreases in fat mass percentage (%FM) and fat-free mass (FM). Carriers of the CC-CG genotype (rs1800587-rs1800795) had significantly greater changes in triglycerides (TGL) over the training period. Our study showed that the IL1A and IL6 genotypes, either individually, in haplotype, or in gene-gene combination, may modify training-induced changes in body mass, composition, glucose levels, and the lipid profile in healthy women.
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Affiliation(s)
- Agata Leońska-Duniec
- Faculty of Physical Education, Gdansk University of Physical Education and Sport, 80-336 Gdansk, Poland
| | - Weronika Lepionka
- Faculty of Physical Education, Gdansk University of Physical Education and Sport, 80-336 Gdansk, Poland
| | - Andrzej Brodkiewicz
- Department of Pediatrics, Child Nephrology, Dialisotherapy and Management of Acute Poisoning, Pomeranian Medical University, 70-204 Szczecin, Poland
| | - Maciej Buryta
- Institute of Physical Culture Sciences, University of Szczecin, 70-453 Szczecin, Poland
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Delli Zotti GB, Citterio L, Farinone S, Concas MP, Brioni E, Zagato L, Messaggio E, Faienza S, Simonini M, Napoli A, Di Mattei V, Rovere-Querini P, Sarno L, Clementi E, Manfredi AA, Lanzani C, Manunta P. Association between Perceived Health-Related Quality of Life and Depression with Frailty in the FRASNET Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:16776. [PMID: 36554656 PMCID: PMC9779617 DOI: 10.3390/ijerph192416776] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/02/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Frailty is a major challenge facing the aging world. The phenotype of the frail subject is still far from being satisfactorily defined. We report data on mood, cognition, and quality of life (QoL) in relation to anamnestic factors, health, and socio-economic status in the FRASNET geriatric population (1204 subjects in stable health conditions), which is an observational cohort study that includes fairly balanced groups of Italian frail (421, 35%), pre-frail (449, 37.3%) and robust (334, 27.7%) subjects. A conditional inference tree analysis revealed a substantial influence of psychological variables on frailty. The physical indicator of QoL (Short Form Survey-36-Physical Component Summary, SF-36-PCS) was the predominant variable in the full model (threshold at 39.9, p < 0.001): higher frailty was found in subjects with a caregiver and lower SF-36-PCS. Frailty was also associated with the mental indicator of QoL (Short Form Survey-36-Mental Component Summary, SF-36-MCS), depression (Geriatric Depression Scale, GDS-15), leisure activities, and level of education. In support of the prominent role of inflammation in aging and mental illness, the SF-36-PCS score was correlated with the blood concentration of C-X-C motif chemokine ligand 10 (CXCL10) (r Pearson -0.355, p = 0.015), a critical signal in cell senescence and inflammaging, while the rs7567647 variant in FN1 gene encoding a glycoprotein in the extracellular matrix was significantly associated with frailty in a multivariable model (p = 0.0006). The perception of health-related QoL and subclinical depression contribute to frailty. Their assessment could improve the identification of older patients at increased risk of adverse outcomes.
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Affiliation(s)
- Giulia B. Delli Zotti
- Clinical and Health Psychology Unit, IRCCS San Raffaele Scientific Institute, School of Psychology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Lorena Citterio
- Genomics of Renal Diseases and Hypertension Unit, IRCCS San Raffaele Scientific Institute, School of Nephrology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Sara Farinone
- Clinical and Health Psychology Unit, IRCCS San Raffaele Scientific Institute, School of Psychology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Maria Pina Concas
- Institute for Maternal and Child Health, IRCCS “Burlo Garofolo”, 34137 Trieste, Italy
| | - Elena Brioni
- Nephrology Operative Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Laura Zagato
- Genomics of Renal Diseases and Hypertension Unit, IRCCS San Raffaele Scientific Institute, School of Nephrology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Elisabetta Messaggio
- Genomics of Renal Diseases and Hypertension Unit, IRCCS San Raffaele Scientific Institute, School of Nephrology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Sipontina Faienza
- Genomics of Renal Diseases and Hypertension Unit, IRCCS San Raffaele Scientific Institute, School of Nephrology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Marco Simonini
- Nephrology Operative Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Alessandra Napoli
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences, “Luigi Sacco” University Hospital, Università di Milano, 20122 Milan, Italy
| | - Valentina Di Mattei
- Clinical and Health Psychology Unit, IRCCS San Raffaele Scientific Institute, School of Psychology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Patrizia Rovere-Querini
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, School of Medicine, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Lucio Sarno
- Clinical and Health Psychology Unit, IRCCS San Raffaele Scientific Institute, School of Psychology, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Emilio Clementi
- Unit of Clinical Pharmacology, Department of Biomedical and Clinical Sciences, “Luigi Sacco” University Hospital, Università di Milano, 20122 Milan, Italy
- Scientific Institute, IRCCS Eugenio Medea, 23842 Bosisio Parini, Italy
| | - Angelo A. Manfredi
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, School of Medicine, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Chiara Lanzani
- Nephrology Operative Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Paolo Manunta
- Genomics of Renal Diseases and Hypertension Unit, IRCCS San Raffaele Scientific Institute, School of Nephrology, Vita-Salute San Raffaele University, 20132 Milan, Italy
- Nephrology Operative Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
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Pasqualetti G, Thayanandan T, Edison P. Influence of genetic and cardiometabolic risk factors in Alzheimer's disease. Ageing Res Rev 2022; 81:101723. [PMID: 36038112 DOI: 10.1016/j.arr.2022.101723] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 08/18/2022] [Accepted: 08/21/2022] [Indexed: 01/31/2023]
Abstract
Alzheimer's disease (AD) is a multifactorial neurodegenerative disorder. Cardiometabolic and genetic risk factors play an important role in the trajectory of AD. Cardiometabolic risk factors including diabetes, mid-life obesity, mid-life hypertension and elevated cholesterol have been linked with cognitive decline in AD subjects. These potential risk factors associated with cerebral metabolic changes which fuel AD pathogenesis have been suggested to be the reason for the disappointing clinical trial results. In appreciation of the risks involved, using search engines such as PubMed, Scopus, MEDLINE and Google Scholar, a relevant literature search on cardiometabolic and genetic risk factors in AD was conducted. We discuss the role of genetic as well as established cardiovascular risk factors in the neuropathology of AD. Moreover, we show new evidence of genetic interaction between several genes potentially involved in different pathways related to both neurodegenerative process and cardiovascular damage.
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Affiliation(s)
| | - Tony Thayanandan
- Department of Brain Sciences, Faculty of Medicine, Imperial College London, UK
| | - Paul Edison
- Department of Brain Sciences, Faculty of Medicine, Imperial College London, UK; School of Medicine, Cardiff University, UK.
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Adulthood systemic inflammation accelerates the trajectory of age-related cognitive decline. Aging (Albany NY) 2021; 13:22092-22108. [PMID: 34587117 PMCID: PMC8507275 DOI: 10.18632/aging.203588] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 09/20/2021] [Indexed: 11/25/2022]
Abstract
In order to understand the long-term effects of systemic inflammation, it is important to distinguish inflammation-induced changes in baseline cognitive function from changes that interact with aging to influence the trajectory of cognitive decline. Lipopolysaccharide (LPS; 1 mg/kg) or vehicle was administered to young adult (6 months) male rats via intraperitoneal injections, once a week for 7 weeks. Longitudinal effects on cognitive decline were examined 6 and 12 months after the initial injections. Repeated LPS treatment, in adults, resulted in a long-term impairment in memory, examined in aged animals (age 18 months), but not in middle-age (age 12 months). At 12 months following injections, LPS treatment was associated with a decrease in N-methyl-D-aspartate receptor-mediated component of synaptic transmission and altered expression of genes linked to the synapse and to regulation of the response to inflammatory signals. The results of the current study suggest that the history of systemic inflammation is one component of environmental factors that contribute to the resilience or susceptibility to age-related brain changes and associated trajectory of cognitive decline.
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Babić Leko M, Nikolac Perković M, Klepac N, Štrac DŠ, Borovečki F, Pivac N, Hof PR, Šimić G. IL-1β, IL-6, IL-10, and TNFα Single Nucleotide Polymorphisms in Human Influence the Susceptibility to Alzheimer's Disease Pathology. J Alzheimers Dis 2021; 75:1029-1047. [PMID: 32390629 DOI: 10.3233/jad-200056] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Neuroinflammation plays an important role in Alzheimer's disease (AD). During this process, activated microglia release pro-inflammatory cytokines such as interleukin (IL)-1α, IL-1β, IL-6, and tumor necrosis factor α (TNFα) that participate in neuron damage, but also anti-inflammatory cytokines (such as IL-10), which maintain homeostasis of immune response. Previous studies showed the association of IL-1α -889C/T (rs1800587), IL-1β-1473G/C (rs1143623), IL-6 -174C/G (rs1800795), IL-10 -1082G/A (rs1800896), and TNFα -308A/G (rs1800629) polymorphisms with AD. OBJECTIVE We aimed to investigate whether people with certain IL-1α, IL-1β, IL-6, IL-10, and TNFα genotypes in these polymorphisms are more prone to develop AD-related pathology, reflected by pathological levels of cerebrospinal fluid (CSF) AD biomarkers including amyloid-β1-42, total tau (t-tau), tau phosphorylated at Thr 181 (p-tau181), Ser 199 (p-tau199), and Thr 231 (p-tau231), and visinin-like protein 1 (VILIP-1). METHODS The study included 115 AD patients, 53 patients with mild cognitive impairment, and 11 healthy controls. The polymorphisms were determined using real-time polymerase chain reaction. Levels of CSF biomarkers were determined by enzyme-linked immunosorbent assay. RESULTS A significant increase in p-tau CSF levels was found in patients with the AA IL-10 -1082G/A and GG TNFα -308A/G genotypes, and in carriers of a G allele in IL-1β -1473C/G and IL-6 -174C/G polymorphisms. t-tau levels were increased in carriers of a G allele in IL-1β -1473C/G polymorphism. An increase in VILIP-1 levels was observed in patients with CG and GG IL-1β -1473C/G, GC IL-6 -174C/G, and GG TNFα -308A/G genotype. CONCLUSION These results suggest that persons carrying certain genotypes in IL10 (-1082G/A), IL1β (1473C/G), IL6 (-174C/G), and TNFIα (-308A/G) could be more vulnerable to development of neuroinflammation, and consequently of AD.
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Affiliation(s)
- Mirjana Babić Leko
- Department of Neuroscience, Croatian Institute for Brain Research, University of Zagreb Medical School, Zagreb, Croatia
| | | | - Nataša Klepac
- Department of Neurology, University Hospital Centre Zagreb, Zagreb, Croatia
| | | | - Fran Borovečki
- Department of Neurology, University Hospital Centre Zagreb, Zagreb, Croatia
| | - Nela Pivac
- Department of Molecular Medicine, Institute Ruđer Bošković, Zagreb, Croatia
| | - Patrick R Hof
- Nash Family Department of Neuroscience, Friedman Brain Institute, and Ronald M. Loeb Center for Alzheimer's Disease, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Goran Šimić
- Department of Neuroscience, Croatian Institute for Brain Research, University of Zagreb Medical School, Zagreb, Croatia
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Ho WM, Wu YY, Chen YC. Genetic Variants behind Cardiovascular Diseases and Dementia. Genes (Basel) 2020; 11:genes11121514. [PMID: 33352859 PMCID: PMC7766236 DOI: 10.3390/genes11121514] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 12/15/2022] Open
Abstract
Cardiovascular diseases (CVDs) and dementia are the leading causes of disability and mortality. Genetic connections between cardiovascular risk factors and dementia have not been elucidated. We conducted a scoping review and pathway analysis to reveal the genetic associations underlying both CVDs and dementia. In the PubMed database, literature was searched using keywords associated with diabetes mellitus, hypertension, dyslipidemia, white matter hyperintensities, cerebral microbleeds, and covert infarctions. Gene lists were extracted from these publications to identify shared genes and pathways for each group. This included high penetrance genes and single nucleotide polymorphisms (SNPs) identified through genome wide association studies. Most risk SNPs to both diabetes and dementia participate in the phospholipase C enzyme system and the downstream nositol 1,4,5-trisphosphate and diacylglycerol activities. Interestingly, AP-2 (TFAP2) transcription factor family and metabolism of vitamins and cofactors were associated with genetic variants that were shared by white matter hyperintensities and dementia, and by microbleeds and dementia. Variants shared by covert infarctions and dementia were related to VEGF ligand-receptor interactions and anti-inflammatory cytokine pathways. Our review sheds light on future investigations into the causative relationships behind CVDs and dementia, and can be a paradigm of the identification of dementia treatments.
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Affiliation(s)
- Wei-Min Ho
- Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan 33305, Taiwan; (W.-M.H.); (Y.-Y.W.)
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Yah-Yuan Wu
- Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan 33305, Taiwan; (W.-M.H.); (Y.-Y.W.)
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Yi-Chun Chen
- Department of Neurology, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan 33305, Taiwan; (W.-M.H.); (Y.-Y.W.)
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Correspondence: ; Tel.: +886-3-3281200 (ext. 8433)
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Ferguson SA, Varma V, Sloper D, Panos JJ, Sarkar S. Increased inflammation in BA21 brain tissue from African Americans with Alzheimer's disease. Metab Brain Dis 2020; 35:121-133. [PMID: 31823110 DOI: 10.1007/s11011-019-00512-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 10/25/2019] [Indexed: 12/21/2022]
Abstract
Chronic neuroinflammation is strongly associated with AD and altered peripheral and central levels of chemokines and cytokines have been frequently described in those with AD. Given the increasing evidence of ethnicity-related differences in AD, it was of interest to determine if those altered chemokine and cytokine levels are ethnicity-related. Because African Americans exhibit a higher incidence of AD and increased symptom severity, we explored chemokine and cytokine concentrations in post-mortem brain tissue from the BA21 region of African Americans and Caucasians with AD using multiplex assays. IL-1β, MIG, TRAIL, and FADD levels were significantly increased in African Americans while levels of IL-3 and IL-8 were significantly decreased. Those effects did not interact with gender; however, overall levels of CCL25, CCL26 and CX3CL1 were significantly decreased in women. The NLRP3 inflammasome is thought to be critically involved in AD. Increased activation of this inflammasome in African Americans is consistent with the current results.
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Affiliation(s)
- Sherry A Ferguson
- Division of Neurotoxicology, National Center for Toxicological Research/Food and Drug Administration, 3900 NCTR Road, Jefferson, AR, 72079, USA.
| | - Vijayalakshmi Varma
- Division of Systems Biology, National Center for Toxicological Research/Food and Drug Administration, Jefferson, AR, 72079, USA
| | - Daniel Sloper
- Division of Systems Biology, National Center for Toxicological Research/Food and Drug Administration, Jefferson, AR, 72079, USA
| | - John J Panos
- Division of Neurotoxicology, National Center for Toxicological Research/Food and Drug Administration, 3900 NCTR Road, Jefferson, AR, 72079, USA
| | - Sumit Sarkar
- Division of Neurotoxicology, National Center for Toxicological Research/Food and Drug Administration, 3900 NCTR Road, Jefferson, AR, 72079, USA
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Takemiya T, Fumizawa K, Yamagata K, Iwakura Y, Kawakami M. Brain Interleukin-1 Facilitates Learning of a Water Maze Spatial Memory Task in Young Mice. Front Behav Neurosci 2017; 11:202. [PMID: 29123474 PMCID: PMC5662897 DOI: 10.3389/fnbeh.2017.00202] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 10/06/2017] [Indexed: 01/11/2023] Open
Abstract
The proinflammatory cytokine interleukin-1 (IL-1) is produced by many types of cells, including immune cells in the periphery and glia and neurons in the brain. The type I IL-1 receptor (IL-1r1) is primarily responsible for transmitting the inflammatory effects of IL-1 and mediates several biological functions by binding to either IL-1α or IL-1β. IL-1β activation is associated with hippocampus-dependent memory tasks. Although IL-1β impairs spatial memory under certain pathophysiological conditions, IL-1β may be required for the normal physiological regulation of hippocampal plasticity and memory. In addition, brain IL-1β levels are thought to change in the hippocampus in an age-dependent manner. These findings suggest that IL-1β may have a beneficial, temporary effect on learning and memory in young mice, but the matter remains unclear. Therefore, we hypothesized that hippocampal IL-1β has a beneficial effect on spatial learning and memory in young mice via IL-1r1, which is diminished in adults. We investigated the performance of young (3-month-old) and adult (6-month-old) wild-type mice, IL-1β knockout mice (IL-1βko) and IL-1r1 knockout mice (IL-1r1ko) in learning a spatial memory task with a fixed platform in a water maze (WM) and measured the levels of IL-1β and IL-1α in the hippocampus and cortex of adult and young mice by using homogeneous time-resolved fluorescence (HTRF). Learning was significantly impaired in the training trials of the WM spatial memory task in young IL-1βko and IL-1r1ko mice but not in adult IL-1βko and IL-1r1ko mice. Moreover, young IL-1r1ko mice but not IL-1βko mice showed an impairment in long-term memory extinction, suggesting that IL-1α might facilitate memory extinction. In this study, the cytokine assay using HTRF did not indicate a higher expression of hippocampal IL-1 in young mice but cortical IL-1β and IL-1α were significantly increased in adult mice. We need to investigate the role of cortical IL-1 and the local IL-1 expression in the hippocampal neurons in the future.
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Affiliation(s)
- Takako Takemiya
- Medical Research Institute, Tokyo Women's Medical University, Tokyo, Japan
| | - Kumiko Fumizawa
- Medical Research Institute, Tokyo Women's Medical University, Tokyo, Japan
| | - Kanato Yamagata
- Synaptic Plasticity Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yoichiro Iwakura
- Center for Experimental Animal Models, Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan
| | - Marumi Kawakami
- Medical Research Institute, Tokyo Women's Medical University, Tokyo, Japan
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Effects of interleukin-1beta polymorphisms on brain function and behavior in healthy and psychiatric disease conditions. Cytokine Growth Factor Rev 2017; 37:89-97. [DOI: 10.1016/j.cytogfr.2017.06.001] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 05/29/2017] [Accepted: 06/01/2017] [Indexed: 12/18/2022]
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Towers AE, Oelschlager ML, Patel J, Gainey SJ, McCusker RH, Freund GG. Acute fasting inhibits central caspase-1 activity reducing anxiety-like behavior and increasing novel object and object location recognition. Metabolism 2017; 71:70-82. [PMID: 28521881 PMCID: PMC5439304 DOI: 10.1016/j.metabol.2017.03.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 02/28/2017] [Accepted: 03/05/2017] [Indexed: 11/24/2022]
Abstract
BACKGROUND Inflammation within the central nervous system (CNS) is frequently comorbid with anxiety. Importantly, the pro-inflammatory cytokine most commonly associated with anxiety is IL-1β. The bioavailability and activity of IL-1β are regulated by caspase-1-dependent proteolysis vis-a-vis the inflammasome. Thus, interventions regulating the activation or activity of caspase-1 should reduce anxiety especially in states that foster IL-1β maturation. METHODS Male C57BL/6j, C57BL/6j mice treated with the capase-1 inhibitor biotin-YVAD-cmk, caspase-1 knockout (KO) mice and IL-1R1 KO mice were fasted for 24h or allowed ad libitum access to food. Immediately after fasting, caspase-1 activity was measured in brain region homogenates while activated caspase-1 was localized in the brain by immunohistochemistry. Mouse anxiety-like behavior and cognition were tested using the elevated zero maze and novel object/object location tasks, respectively. RESULTS A 24h fast in mice reduced the activity of caspase-1 in whole brain and in the prefrontal cortex, amygdala, hippocampus, and hypothalamus by 35%, 25%, 40%, 40%, and 40% respectively. A 24h fast also reduced anxiety-like behavior by 40% and increased novel object and object location recognition by 21% and 31%, respectively. IL-1β protein, however, was not reduced in the brain by fasting. ICV administration of YVAD decreased caspase-1 activity in the prefrontal cortex and amygdala by 55%, respectively leading to a 64% reduction in anxiety like behavior. Importantly, when caspase-1 KO or IL1-R1 KO mice are fasted, no fasting-dependent reduction in anxiety-like behavior was observed. CONCLUSIONS Results indicate that fasting decrease anxiety-like behavior and improves memory by a mechanism tied to reducing caspase-1 activity throughout the brain.
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Affiliation(s)
- Albert E Towers
- Division of Nutritional Sciences, University of Illinois, Urbana, IL, USA
| | | | - Jay Patel
- School of Molecular and Cellular Biology, University of Illinois, Urbana, IL, USA
| | - Stephen J Gainey
- Department of Animal Sciences, University of Illinois, Urbana, IL, USA
| | - Robert H McCusker
- Department of Animal Sciences, University of Illinois, Urbana, IL, USA; Department of Pathology, Program in Integrative Immunology and Behavior, University of Illinois, Urbana, IL, USA
| | - Gregory G Freund
- Division of Nutritional Sciences, University of Illinois, Urbana, IL, USA; Department of Animal Sciences, University of Illinois, Urbana, IL, USA; Department of Pathology, Program in Integrative Immunology and Behavior, University of Illinois, Urbana, IL, USA.
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A systematic review on the association between inflammatory genes and cognitive decline in non-demented elderly individuals. Eur Neuropsychopharmacol 2017; 27:568-588. [PMID: 26718789 DOI: 10.1016/j.euroneuro.2015.12.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 10/27/2015] [Accepted: 12/01/2015] [Indexed: 01/15/2023]
Abstract
Cognitive impairment, or decline, is not only a feature of Alzheimer׳s disease and other forms of dementia but also normal ageing. Abundant evidence from epidemiological studies points towards perturbed inflammatory mechanisms in aged individuals, though the cause-effect nature of this apparent relationship is difficult to establish. Genetic association studies focusing on polymorphism in and around inflammatory genes represent a viable approach to establish whether inflammatory mechanisms might play a causal role in cognitive decline, whilst also enabling the identification of specific genes potentially influencing specific cognitive facets. Thus, here we provide a review of published genetic association studies investigating inflammatory genes in the context of cognitive decline in elderly, non-demented, samples. Numerous candidate gene association studies have been performed to date, focusing almost exclusively on genes encoding major cytokines. Some of these studies report significant cognitive domain-specific associations implicating Interleukin 1β (IL1β) (rs16944), Tumour Necrosis Factor α (TNFα) (rs1800629) and C-reactive protein (CRP) in various domains of cognitive function. However, the majority of these studies are lacking in statistical power and have other methodological limitations, suggesting some of them may have yielded false positive results. Genome-wide association studies have implicated less direct and less obvious regulators of inflammatory processes (i.e., PDE7A, HS3ST4, SPOCK3), indicating that a shift away from the major cytokine-encoding genes in future studies will be important. Furthermore, better cohesion across studies with regards to the cognitive test batteries administered to participants along with the continued application of longitudinal designs will be vital.
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Interleukin-1 Receptor Antagonist Polymorphism and Birth Timing: Pathway Analysis Among African American Women. Nurs Res 2017; 66:95-104. [PMID: 28252571 DOI: 10.1097/nnr.0000000000000200] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Timing of birth is a major determinant of newborn health. African American women are at increased risk for early birth, particularly via the inflammatory pathway. Variants of the IL1RN gene, which encode the interleukin-1 receptor antagonist (IL-1Ra) protein, are implicated in early birth. The biological pathways linking these variables remain unclear. Evidence also suggests that inflammatory pathways differ by race; however, studies among African American women are lacking. OBJECTIVES We assessed whether an IL1RN variant was associated with timing of birth among African American women and whether this relationship was mediated by lower anti-inflammatory IL-1Ra production or related to a decrease in inhibition of proinflammatory IL-1β production. METHODS A candidate gene study using a prospective cohort design was used. We collected blood samples at 28-32 weeks of gestation among African American women experiencing an uncomplicated pregnancy (N = 89). IL1RN single-nucleotide polymorphism (SNP) rs2637988 was genotyped, and lipopolysaccharide-stimulated IL-1Ra and IL-1β production was quantified. Medical record review determined timing of birth. RESULTS Women with GG genotype gave birth earlier than women with AA/AG genotypes (b* = .21, p = .04). There was no indirect effect of IL1RN SNP rs2637988 allele status on timing of birth through IL-1Ra production, as evidenced by a nonsignificant product of coefficients in mediational analyses (ab = .006, 95% CI [-0.05, 0.13]). Women with GG genotype showed less inhibition of IL-1β production for a unit positive difference in IL-1Ra production than women with AA/AG genotypes (b* = .93, p = .03). Greater IL-1β production at 28-32 weeks of pregnancy was marginally associated with earlier birth (b* = .21, p = .05). DISCUSSION Women with GG genotype may be at risk for earlier birth because of diminished IL-1β inhibition, allowing for initiation of a robust inflammatory response upon even mild immune challenge. Study of inflammatory contributions to early birth among African American women may be key to identifying potential prognostic markers of risk and targeted preventive interventions.
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Huang CW, Hsu SW, Tsai SJ, Chen NC, Liu ME, Lee CC, Huang SH, Chang WN, Chang YT, Tsai WC, Chang CC. Genetic effect of interleukin-1 beta (C-511T) polymorphism on the structural covariance network and white matter integrity in Alzheimer's disease. J Neuroinflammation 2017; 14:12. [PMID: 28100246 PMCID: PMC5242022 DOI: 10.1186/s12974-017-0791-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 01/04/2017] [Indexed: 11/17/2022] Open
Abstract
Background Inflammatory processes play a pivotal role in the degenerative process of Alzheimer’s disease. In humans, a biallelic (C/T) polymorphism in the promoter region (position-511) (rs16944) of the interleukin-1 beta gene has been significantly associated with differences in the secretory capacity of interleukin-1 beta. In this study, we investigated whether this functional polymorphism mediates the brain networks in patients with Alzheimer’s disease. Methods We enrolled a total of 135 patients with Alzheimer’s disease (65 males, 70 females), and investigated their gray matter structural covariance networks using 3D T1 magnetic resonance imaging and their white matter macro-structural integrities using fractional anisotropy. The patients were classified into two genotype groups: C-carriers (n = 108) and TT-carriers (n = 27), and the structural covariance networks were constructed using seed-based analysis focusing on the default mode network medial temporal or dorsal medial subsystem, salience network and executive control network. Neurobehavioral scores were used as the major outcome factors for clinical correlations. Results There were no differences between the two genotype groups in the cognitive test scores, seed, or peak cluster volumes and white matter fractional anisotropy. The covariance strength showing C-carriers > TT-carriers was the entorhinal-cingulum axis. There were two peak clusters (Brodmann 6 and 10) in the salience network and four peak clusters (superior prefrontal, precentral, fusiform, and temporal) in the executive control network that showed C-carriers < TT-carriers in covariance strength. The salience network and executive control network peak clusters in the TT group and the default mode network peak clusters in the C-carriers strongly predicted the cognitive test scores. Conclusions Interleukin-1 beta C-511 T polymorphism modulates the structural covariance strength on the anterior brain network and entorhinal-interconnected network which were independent of the white matter tract integrity. Depending on the specific C-511 T genotype, different network clusters could predict the cognitive tests. Electronic supplementary material The online version of this article (doi:10.1186/s12974-017-0791-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Chi-Wei Huang
- Department of Neurology, Cognition and Aging Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, #123, Ta-Pei Road, Niaosung, Kaohsiung County, 833, Taiwan
| | - Shih-Wei Hsu
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Niaosung, Kaohsiung, Taiwan
| | - Shih-Jen Tsai
- Psychiatric Department of Taipei Veterans General Hospital, Taipei, Taiwan.,Psychiatric Division, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Nai-Ching Chen
- Department of Neurology, Cognition and Aging Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, #123, Ta-Pei Road, Niaosung, Kaohsiung County, 833, Taiwan
| | - Mu-En Liu
- Psychiatric Department of Taipei Veterans General Hospital, Taipei, Taiwan
| | - Chen-Chang Lee
- Department of Radiology, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Niaosung, Kaohsiung, Taiwan
| | - Shu-Hua Huang
- Department of Nuclear Medicine, Cognition and Aging Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Niaosung, Kaohsiung, Taiwan
| | - Weng-Neng Chang
- Department of Neurology, Cognition and Aging Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, #123, Ta-Pei Road, Niaosung, Kaohsiung County, 833, Taiwan
| | - Ya-Ting Chang
- Department of Neurology, Cognition and Aging Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, #123, Ta-Pei Road, Niaosung, Kaohsiung County, 833, Taiwan
| | - Wan-Chen Tsai
- Department of Neurology, Cognition and Aging Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, #123, Ta-Pei Road, Niaosung, Kaohsiung County, 833, Taiwan
| | - Chiung-Chih Chang
- Department of Neurology, Cognition and Aging Center, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, #123, Ta-Pei Road, Niaosung, Kaohsiung County, 833, Taiwan.
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Systematic review of dementia prevalence and incidence in United States race/ethnic populations. Alzheimers Dement 2016; 13:72-83. [PMID: 27599209 DOI: 10.1016/j.jalz.2016.06.2360] [Citation(s) in RCA: 252] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 05/27/2016] [Accepted: 06/13/2016] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To identify incidence and prevalence of dementia in racial and ethnic populations in the United States. METHODS A systematic review of literature. RESULTS A total of 1215 studies were reviewed; 114 were included. Dementia prevalence rates reported for age 65+ years from a low of 6.3% in Japanese Americans, 12.9% in Caribbean Hispanic Americans, 12.2% in Guamanian Chamorro and ranged widely in African Americans from 7.2% to 20.9%. Dementia annual incidence for African American (mean = 2.6%; SD = 1%; range, 1.4%-5.5%) and Caribbean Hispanic populations were significantly higher (mean, 3.6%; SD, 1.2%; range, 2.3%-5.3%) than Mexican American and Japanese Americans and non-Latino white populations (0.8%-2.7%), P < .001. CONCLUSIONS Data are needed for American Indian, most Asian, and Pacific Islander populations. Disaggregation of large race/ethnic classifications is warranted due to within-population heterogeneity in incidence and prevalence. African American and Caribbean Hispanic studies showed higher incidence of dementia. A nationwide approach is needed to identify communities at high risk and to tailor culturally appropriate services accordingly.
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Kurita GP, Ekholm O, Kaasa S, Klepstad P, Skorpen F, Sjøgren P. Genetic variation and cognitive dysfunction in opioid-treated patients with cancer. Brain Behav 2016; 6:e00471. [PMID: 27247849 PMCID: PMC4864175 DOI: 10.1002/brb3.471] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 03/10/2016] [Accepted: 03/11/2016] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND AND PURPOSE The effects of single-nucleotide polymorphisms (SNPs) on the cognitive function of opioid-treated patients with cancer until now have not been explored, but they could potentially be related to poor functioning. This study aimed at identifying associations between SNPs of candidate genes, high opioid dose, and cognitive dysfunction. METHODS Cross-sectional multicenter study (European Pharmacogenetic Opioid Study, 2005-2008); 1586 patients; 113 SNPs from 41 genes. INCLUSION CRITERIA cancer, age ≥18 year, opioid treatment, and available genetic data. Cognitive assessment by Mini-Mental State Examination (MMSE). ANALYSES SNPs were rejected if violation of Hardy-Weinberg equilibrium (P < 0.0005), or minor allele frequency <5%; patients were randomly divided into discovery sample (2/3 for screening) and validation sample (1/3 for confirmatory test); false discovery rate of 10% for determining associations (Benjamini-Hochberg method). Co-dominant, dominant, and recessive models were analyzed by Kruskal-Wallis and Mann-Whitney tests. RESULTS In the co-dominant model significant associations (P < 0.05) between MMSE scores and SNPs in the HTR3E,TACR1, and IL6 were observed in the discovery sample, but the replication in the validation sample did not confirm it. Associations between MMSE scores among patients receiving ≥400 mg morphine equivalent dose/day and SNPs in TNFRSF1B,TLR5,HTR2A, and ADRA2A were observed, but they could not be confirmed in the validation sample. After correction for multiple testing, no SNPs were significant in the discovery sample. Dominant and recessive models also did not confirm significant associations. CONCLUSIONS The findings did not support influence of those SNPs analyzed to explain cognitive dysfunction in opioid-treated patients with cancer.
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Affiliation(s)
- Geana Paula Kurita
- Multidisciplinary Pain Centre Department of Neuroanaesthesiology Rigshospitalet Copenhagen University Hospital Copenhagen Denmark; Department of Oncology Rigshospitalet Copenhagen University Hospital Copenhagen Denmark
| | - Ola Ekholm
- National Institute of Public Health University of Southern Denmark Copenhagen Denmark
| | - Stein Kaasa
- Department of Oncology Oslo University Hospital/University of Oslo Norway; European Palliative Care Research Centre Faculty of Medicine Norwegian University of Science and Technology Trondheim Norway
| | - Pål Klepstad
- Department of Intensive Care Medicine St Olavs Hospital Trondheim University Hospital Trondheim Norway; Department of Circulation and Medical Imaging Norwegian University of Science and Technology Norway
| | - Frank Skorpen
- Department of Laboratory Medicine Children's and Women's Health Norwegian University of Science and Technology Trondheim Norway
| | - Per Sjøgren
- Section of Palliative Medicine Department of Oncology Rigshospitalet Copenhagen University Hospital Copenhagen Denmark; Department of Clinical Medicine Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
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16
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Yin Y, Liu Y, Pan X, Chen R, Li P, Wu HJ, Zhao ZQ, Li YP, Huang LQ, Zhuang JH, Zhao ZX. Interleukin-1β Promoter Polymorphism Enhances the Risk of Sleep Disturbance in Alzheimer's Disease. PLoS One 2016; 11:e0149945. [PMID: 26937653 PMCID: PMC4777499 DOI: 10.1371/journal.pone.0149945] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Accepted: 02/07/2016] [Indexed: 01/12/2023] Open
Abstract
Sleep alleviates Alzheimer's disease (AD)-related neuropathological processes, whereas sleep disturbance in AD patients is associated with elevated peripheral inflammatory cytokine levels. In the present study, we assessed interleukin (IL)-1β and APOEε4 polymorphisms for association with susceptibility of sleep disturbances in AD patients. A total of 123 pretreated AD patients and 120 age-, gender- and education level-matched healthy controls were recruited for two consecutive full-night polysomnography and measurement of Epworth Sleepiness Scale (ESS) scores for sleep-wake disturbance. Their genomic DNA was analyzed for IL-1β and APOEε4 SNPs using ligase detection reaction (LDR) technology. Blood levels of IL-1β, IL-6, and tumor necrosis factor alpha (TNF-α) were measured using ELISA after lipopolysaccharide (LPS) stimulation. The odds ratio and 95% confidence interval for genotype-specific risk were calculated using an unconditional logistic regression model and adjusted by age, gender, educational levels, body mass index (BMI), and activities of daily living (ADL). Compared to the non-APOEε4/ε4 genotype, APOEε4/ε4 significantly increased the risk of AD (APOEε4/ε4 vs. non-APOEε4/ε4, adjusted OR = 4.33, 95% CI = 1.33-14.10, p = 0.015). Compared to the IL-1β CC genotype (-31), the TT genotype significantly increased the risk of AD (TT vs. CC, adjusted OR = 1.72, 95% CI = 1.13-2.61, p = 0.010). AD patients carrying the APOEε4 allele and the IL-1β TT genotype showed less time in bed, longer sleep latency and REM latency, more awakenings, and a lower SWS percentage than those carrying CC/CT combined genotypes. In addition, blood IL-1β levels were significantly greater in AD patients carrying both the APOEε4 allele and the IL-1β-31TT genotype than in those carrying the APOEε4 allele and the -31 TC or CC genotype. In conclusion, this study provides the first evidence indicating that the IL-1β-31TT genotype and homozygous APOEε4 combined are associated with increased risk of developing AD with sleep disturbance.
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Affiliation(s)
- You Yin
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
- Institute of Neuroscience and MOE Key Laboratory of Molecular Neurobiology, Neuroscience Research Center of Changzheng Hospital, The Second Military Medical University Shanghai, Shanghai, China
| | - Yan Liu
- Department of Pharmacy, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xiao Pan
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Rui Chen
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Peng Li
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Hui-Juan Wu
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Zheng-Qing Zhao
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Yan-Peng Li
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Liu-Qing Huang
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jian-Hua Zhuang
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Zhong-Xin Zhao
- Department of Neurology, Changzheng Hospital, Second Military Medical University, Shanghai, China
- Institute of Neuroscience and MOE Key Laboratory of Molecular Neurobiology, Neuroscience Research Center of Changzheng Hospital, The Second Military Medical University Shanghai, Shanghai, China
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17
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Detecting signatures of positive selection associated with musical aptitude in the human genome. Sci Rep 2016; 6:21198. [PMID: 26879527 PMCID: PMC4754774 DOI: 10.1038/srep21198] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 01/19/2016] [Indexed: 01/18/2023] Open
Abstract
Abilities related to musical aptitude appear to have a long history in human evolution. To elucidate the molecular and evolutionary background of musical aptitude, we compared genome-wide genotyping data (641 K SNPs) of 148 Finnish individuals characterized for musical aptitude. We assigned signatures of positive selection in a case-control setting using three selection methods: haploPS, XP-EHH and FST. Gene ontology classification revealed that the positive selection regions contained genes affecting inner-ear development. Additionally, literature survey has shown that several of the identified genes were known to be involved in auditory perception (e.g. GPR98, USH2A), cognition and memory (e.g. GRIN2B, IL1A, IL1B, RAPGEF5), reward mechanisms (RGS9), and song perception and production of songbirds (e.g. FOXP1, RGS9, GPR98, GRIN2B). Interestingly, genes related to inner-ear development and cognition were also detected in a previous genome-wide association study of musical aptitude. However, the candidate genes detected in this study were not reported earlier in studies of musical abilities. Identification of genes related to language development (FOXP1 and VLDLR) support the popular hypothesis that music and language share a common genetic and evolutionary background. The findings are consistent with the evolutionary conservation of genes related to auditory processes in other species and provide first empirical evidence for signatures of positive selection for abilities that contribute to musical aptitude.
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18
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Street SJ, Parletta N, Milte C, Sullivan K, Hills AP, Buckley J, Howe P. Interaction of erythrocyte eicosapentaenoic acid and physical activity predicts reduced risk of mild cognitive impairment. Aging Ment Health 2015; 19:885-91. [PMID: 25374153 DOI: 10.1080/13607863.2014.971705] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVES To evaluate relationships between self-reported physical activity, proportions of long-chain omega-3 polyunsaturated fatty acids (LCn3) in erythrocyte content (percentage of total fatty acids) and risk of mild cognitive impairment (MCI) in older adults. METHOD A cross-sectional study was conducted. Community-dwelling male and female (n = 84) participants over the age of 65 years with and without MCI were tested for erythrocyte proportions of the LCn3s eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). Physical activity was measured using a validated questionnaire. RESULTS The interaction between erythrocyte EPA, but not DHA, and increased physical activity was associated with increased odds of a non-MCI classification. CONCLUSION An interaction between physical activity and erythrocyte EPA content (percentage of fatty acids) significantly predicted MCI status in older adults. Randomised control trials are needed to examine the potential for supplementation with EPA in combination with increased physical activity to mitigate the risk of MCI in ageing adults.
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Affiliation(s)
- Steven John Street
- a School of Psychology and Counselling , Queensland University of Technology , Kelvin Grove , Australia
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19
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Lillycrop KA, Costello PM, Teh AL, Murray RJ, Clarke-Harris R, Barton SJ, Garratt ES, Ngo S, Sheppard AM, Wong J, Dogra S, Burdge GC, Cooper C, Inskip HM, Gale CR, Gluckman PD, Harvey NC, Chong YS, Yap F, Meaney MJ, Rifkin-Graboi A, Holbrook JD, Godfrey KM. Association between perinatal methylation of the neuronal differentiation regulator HES1 and later childhood neurocognitive function and behaviour. Int J Epidemiol 2015; 44:1263-76. [PMID: 25906782 PMCID: PMC4588869 DOI: 10.1093/ije/dyv052] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Background Early life environments induce long-term changes in neurocognitive development and behaviour. In animal models, early environmental cues affect neuropsychological phenotypes via epigenetic processes but, as yet, there is little direct evidence for such mechanisms in humans. Method We examined the relation between DNA methylation at birth and child neuropsychological outcomes in two culturally diverse populations using a genome-wide methylation analysis and validation by pyrosequencing. Results Within the UK Southampton Women’s Survey (SWS) we first identified 41 differentially methylated regions of interest (DMROI) at birth associated with child’s full-scale IQ at age 4 years. Associations between HES1 DMROI methylation and later cognitive function were confirmed by pyrosequencing in 175 SWS children. Consistent with these findings, higher HES1 methylation was associated with higher executive memory function in a second independent group of 200 SWS 7-year-olds. Finally, we examined a pathway for this relationship within a Singaporean cohort (n = 108). Here, HES1 DMROI methylation predicted differences in early infant behaviour, known to be associated with academic success. In vitro, methylation of HES1 inhibited ETS transcription factor binding, suggesting a functional role of this site. Conclusions Thus, our findings suggest that perinatal epigenetic processes mark later neurocognitive function and behaviour, providing support for a role of epigenetic processes in mediating the long-term consequences of early life environment on cognitive development.
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Affiliation(s)
- Karen A Lillycrop
- Centre for Biological Sciences, and NIHR Southampton Biomedical Research Centre, University Hospital Southampton, Southampton, UK,
| | - Paula M Costello
- Academic Unit of Human Development and Health, University of Southampton, Southampton, UK
| | - Ai Ling Teh
- Singapore Institute for Clinical Sciences, Agency for Science Technology and Research, Singapore
| | - Robert J Murray
- Academic Unit of Human Development and Health, University of Southampton, Southampton, UK
| | - Rebecca Clarke-Harris
- Academic Unit of Human Development and Health, University of Southampton, Southampton, UK
| | - Sheila J Barton
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
| | - Emma S Garratt
- Academic Unit of Human Development and Health, University of Southampton, Southampton, UK
| | - Sherry Ngo
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Allan M Sheppard
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Johnny Wong
- Singapore Institute for Clinical Sciences, Agency for Science Technology and Research, Singapore
| | - Shaillay Dogra
- Singapore Institute for Clinical Sciences, Agency for Science Technology and Research, Singapore
| | - Graham C Burdge
- Academic Unit of Human Development and Health, University of Southampton, Southampton, UK
| | - Cyrus Cooper
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK, NIHR Southampton Biomedical Research Centre, University Hospital Southampton, Southampton, UK, NIHR Musculoskeletal Biomedical Research Unit, University of Oxford, Oxford, UK
| | - Hazel M Inskip
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
| | - Catharine R Gale
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK, Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK
| | - Peter D Gluckman
- Singapore Institute for Clinical Sciences, Agency for Science Technology and Research, Singapore, Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Nicholas C Harvey
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK
| | - Yap-Seng Chong
- Singapore Institute for Clinical Sciences, Agency for Science Technology and Research, Singapore, Department of Obstetrics and Gynaecology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Fabian Yap
- Department of Paediatrics, KK Women's and Children's Hospital, Singapore, Duke NUS Graduate School of Medicine, National University of Singapore, Singapore, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore and
| | - Michael J Meaney
- Singapore Institute for Clinical Sciences, Agency for Science Technology and Research, Singapore, Ludmer Centre for Neuroinformatics and Mental Health, McGill University, Montréal, Canada
| | - Anne Rifkin-Graboi
- Singapore Institute for Clinical Sciences, Agency for Science Technology and Research, Singapore
| | - Joanna D Holbrook
- Singapore Institute for Clinical Sciences, Agency for Science Technology and Research, Singapore
| | | | - Keith M Godfrey
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, UK, NIHR Southampton Biomedical Research Centre, University Hospital Southampton, Southampton, UK
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Tian M, Deng YY, Hou DR, Li W, Feng XL, Yu ZL. Association of IL-1, IL-18, and IL-33 gene polymorphisms with late-onset Alzheimer׳s disease in a Hunan Han Chinese population. Brain Res 2014; 1596:136-45. [PMID: 25446437 DOI: 10.1016/j.brainres.2014.11.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 11/02/2014] [Accepted: 11/06/2014] [Indexed: 12/14/2022]
Abstract
Interleukin (IL)-1 plays an important role in Alzheimer׳s disease (AD), and single nucleotide polymorphisms (SNPs) in the IL-1 gene have been shown to be associated with AD susceptibility. IL-18 and IL-33 are proinflammatory cytokines of the IL-1 family, and increasing evidence has accumulated to support their crucial role in AD pathogenesis. To examine whether SNPs in IL-1α (rs1800587), IL-1β (rs1143627), IL-18 (rs187238), and IL-33 (rs11792633) are associated with late-onset Alzheimer׳s disease (LOAD) in a Hunan Han Chinese population, we carried out a case-control study involving 201 LOAD patients and 257 healthy controls. No significant differences were found in genotype frequencies of rs1800587 between LOAD patients and controls (P=0.079), but the T allele of rs1800587 was associated with a significantly increased risk of LOAD (P=0.032, odds ratio (OR)=1.592). Significant differences in genotype (P=0.004) and allele (P=0.001) frequencies of rs11792633 were found between LOAD patients and controls, but not for rs1143627 (P=0.535, 0.262, respectively) or rs187238 (P=0.257, 0.139, respectively). The T allele of rs11792633 was found to be a protective factor for LOAD (OR=0.648). These findings suggest that the IL-1α SNP rs1800587 and IL-33 SNP rs11792633, but not the IL-1β SNP rs1143627 or the IL-18 SNP rs187238, contribute to LOAD susceptibility in the Hunan Han Chinese population. This article is part of a Special Issue entitled SI: Brain and Memory.
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Affiliation(s)
- M Tian
- Department of Neurology, Third Xiangya Hospital, Central South University, 138 Tongzipo Road, Changsha, Hunan 410013, China
| | - Y Y Deng
- Department of Neurology, Third Xiangya Hospital, Central South University, 138 Tongzipo Road, Changsha, Hunan 410013, China
| | - D R Hou
- Department of Neurology, Third Xiangya Hospital, Central South University, 138 Tongzipo Road, Changsha, Hunan 410013, China.
| | - W Li
- Department of Neurology, Third Xiangya Hospital, Central South University, 138 Tongzipo Road, Changsha, Hunan 410013, China
| | - X L Feng
- Department of Neurology, Third Xiangya Hospital, Central South University, 138 Tongzipo Road, Changsha, Hunan 410013, China
| | - Z L Yu
- Department of Neurology, Third Xiangya Hospital, Central South University, 138 Tongzipo Road, Changsha, Hunan 410013, China
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Ising M, Mather KA, Zimmermann P, Brückl T, Höhne N, Heck A, Schenk LA, Rujescu D, Armstrong NJ, Sachdev PS, Reppermund S. Genetic effects on information processing speed are moderated by age - converging results from three samples. GENES BRAIN AND BEHAVIOR 2014; 13:501-7. [DOI: 10.1111/gbb.12132] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2013] [Revised: 03/04/2014] [Accepted: 03/11/2014] [Indexed: 11/28/2022]
Affiliation(s)
- M. Ising
- Max Planck Institute of Psychiatry; Munich Germany
| | - K. A. Mather
- Centre for Healthy Brain Ageing, School of Psychiatry, UNSW Medicine; The University of New South Wales; Sydney Australia
| | | | - T. Brückl
- Max Planck Institute of Psychiatry; Munich Germany
| | - N. Höhne
- Max Planck Institute of Psychiatry; Munich Germany
| | - A. Heck
- Max Planck Institute of Psychiatry; Munich Germany
- Present address: Institute of Psychology; University of Basel; Basel Switzerland
| | - L. A. Schenk
- Max Planck Institute of Psychiatry; Munich Germany
- Present address: Department of Systems Neuroscience; University Medical Center Hamburg-Eppendorf; Hamburg Germany
| | - D. Rujescu
- Department of Psychiatry, Psychotherapy and Psychosomatics; Martin-Luther-University; Halle Germany
| | | | - P. S. Sachdev
- Centre for Healthy Brain Ageing, School of Psychiatry, UNSW Medicine; The University of New South Wales; Sydney Australia
- Neuropsychiatric Institute, Euroa Centre; Prince of Wales Hospital; Sydney Australia
| | - S. Reppermund
- Centre for Healthy Brain Ageing, School of Psychiatry, UNSW Medicine; The University of New South Wales; Sydney Australia
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Reitz C, Mayeux R. Genetics of Alzheimer's disease in Caribbean Hispanic and African American populations. Biol Psychiatry 2014; 75:534-41. [PMID: 23890735 PMCID: PMC3902050 DOI: 10.1016/j.biopsych.2013.06.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Revised: 06/06/2013] [Accepted: 06/07/2013] [Indexed: 01/16/2023]
Abstract
Late-onset Alzheimer's disease (LOAD), which is characterized by progressive deterioration in cognition, function, and behavior, is the most common cause of dementia and the sixth leading cause of all deaths, placing a considerable burden on Western societies. Most studies aiming to identify genetic susceptibility factors for LOAD have focused on non-Hispanic white populations. This is, in part related to differences in linkage disequilibrium and allele frequencies between ethnic groups that could lead to confounding. However, in addition, non-Hispanic white populations are simply more widely studied. As a consequence, minorities are genetically underrepresented despite the fact that in several minority populations living in the same community as whites (including African American and Caribbean Hispanics), LOAD incidence is higher. This review summarizes the current knowledge on genetic risk factors associated with LOAD risk in Caribbean Hispanics and African Americans and provides suggestions for future research. We focus on Caribbean Hispanics and African Americans because they have a high LOAD incidence and a body of genetic studies on LOAD that is based on samples with genome-wide association studies data and reasonably large effect sizes to yield generalizable results.
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Affiliation(s)
- Christiane Reitz
- Taub Institute for Research on Alzheimer’s Disease and the Aging Brain, College of Physicians and Surgeons, Columbia University, New York, NY,Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, NY,Gertrude H. Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, NY
| | - Richard Mayeux
- Taub Institute for Research on Alzheimer's Disease and the Aging Brain, College of Physicians and Surgeons, Columbia University, New York, New York; Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, New York; Gertrude H. Sergievsky Center, College of Physicians and Surgeons; Department of Epidemiology, Joseph P. Mailman School of Public Health, Columbia University, New York, New York; Department of Psychiatry, College of Physicians and Surgeons, Columbia University, New York, New York.
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Interleukin-1 alpha (rs1800587) genetic polymorphism is associated with specific cognitive functions but not depression or loneliness in elderly males without dementia. Neurosci Lett 2013; 556:69-72. [DOI: 10.1016/j.neulet.2013.09.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 09/25/2013] [Indexed: 11/19/2022]
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Matteini AM, Li J, Lange EM, Tanaka T, Lange LA, Tracy RP, Wang Y, Biggs ML, Arking DE, Fallin MD, Chakravarti A, Psaty BM, Bandinelli S, Ferrucci L, Reiner AP, Walston JD. Novel gene variants predict serum levels of the cytokines IL-18 and IL-1ra in older adults. Cytokine 2013; 65:10-6. [PMID: 24182552 DOI: 10.1016/j.cyto.2013.10.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Revised: 08/23/2013] [Accepted: 10/04/2013] [Indexed: 10/26/2022]
Abstract
Activation of inflammatory pathways measured by serum inflammatory markers such as interleukin-18 (IL-18) and interleukin-1 receptor antagonist (IL-1ra) is strongly associated with the progression of chronic disease states in older adults. Given that these serum cytokine levels are in part a heritable trait, genetic variation may predict increased serum levels. Using the Cardiovascular Health Study and InCHIANTI cohorts, a genome-wide association study was performed to identify genetic variants that influence IL-18 and IL-1ra serum levels among older adults. Multiple linear regression models characterized the association between each SNP and log-transformed cytokine values. Tests for multiple independent signals within statistically significant loci were performed using haplotype analysis and regression models conditional on lead SNP in each region. Multiple SNPs were associated with these cytokines with genome-wide significance, including SNPs in the IL-18-BCO gene region of chromosome 2 for IL-18 (top SNP rs2250417, P=1.9×10(-32)) and in the IL-1 gene family region of chromosome 2 for IL-1ra (rs6743376, P=2.3×10(-26)). Haplotype tests and conditional linear regression models showed evidence of multiple independent signals in these regions. Serum IL-18 levels were also associated with a region on chromosome 2 containing the NLRC4 gene (rs12989936, P=2.7×10(-19)). These data characterize multiple robust genetic signals that influence IL-18 and IL-1ra cytokine production. In particular, the signal for serum IL-18 located on chromosome two is novel and potentially important in inflammasome triggered chronic activation of inflammation in older adults. Replication in independent cohorts is an important next step, as well as molecular studies to better understand the role of NLRC4.
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Affiliation(s)
- A M Matteini
- Division of Geriatric Medicine, Johns Hopkins Medical Institution, Baltimore, MD, USA.
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Pallis AG, Hatse S, Brouwers B, Pawelec G, Falandry C, Wedding U, Lago LD, Repetto L, Ring A, Wildiers H. Evaluating the physiological reserves of older patients with cancer: the value of potential biomarkers of aging? J Geriatr Oncol 2013; 5:204-18. [PMID: 24495695 DOI: 10.1016/j.jgo.2013.09.001] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Revised: 06/11/2013] [Accepted: 09/05/2013] [Indexed: 12/19/2022]
Abstract
Aging of an individual entails a progressive decline of functional reserves and loss of homeostasis that eventually lead to mortality. This process is highly individualized and is influenced by multiple genetic, epigenetic and environmental factors. This individualization and the diversity of factors influencing aging result in a significant heterogeneity among people with the same chronological age, representing a major challenge in daily oncology practice. Thus, many factors other than mere chronological age will contribute to treatment tolerance and outcome in the older patients with cancer. Clinical/comprehensive geriatric assessment can provide information on the general health status of individuals, but is far from perfect as a prognostic/predictive tool for individual patients. On the other hand, aging can also be assessed in terms of biological changes in certain tissues like the blood compartment which result from adaptive alterations due to past history of exposures, as well as intrinsic aging processes. There are major signs of 'aging' in lymphocytes (e.g. lymphocyte subset distribution, telomere length, p16INK4A expression), and also in (inflammatory) cytokine expression and gene expression patterns. These result from a combination of the above two processes, overlaying genetic predispositions which contribute significantly to the aging phenotype. These potential "aging biomarkers" might provide additional prognostic/predictive information supplementing clinical evaluation. The purpose of the current paper is to describe the most relevant potential "aging biomarkers" (markers that indicate the biological functional age of patients) which focus on the biological background, the (limited) available clinical data, and technical challenges. Despite their great potential interest, there is a need for much more (validated) clinical data before these biomarkers could be used in a routine clinical setting. This manuscript tries to provide a guideline on how these markers can be integrated in future research aimed at providing such data.
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Affiliation(s)
- Athanasios G Pallis
- European Organization for Research and Treatment of Cancer Elderly Task Force, Brussels, Belgium.
| | - Sigrid Hatse
- Laboratory of Experimental Oncology (LEO), Department of Oncology, KU Leuven, and Department of General Medical Oncology, University Hospitals Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - Barbara Brouwers
- Laboratory of Experimental Oncology (LEO), Department of Oncology, KU Leuven, and Department of General Medical Oncology, University Hospitals Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - Graham Pawelec
- Center for Medical Research, ZMF, University of Tübingen Medical School, Waldhörnlestr. 22, D-72072 Tübingen, Germany
| | - Claire Falandry
- Geriatrics Unit, Lyon Sud University Hospital, Pierre-Benite, France; Laboratoire de Biologie Moléculaire de la Cellule, Lyon Sud Medicine Faculty, Lyon University, Lyon, France
| | - Ulrich Wedding
- Jena University Hospital, Department of Internal Medicine, Erlanger Allee 101, 07747 Jena, Germany
| | - Lissandra Dal Lago
- Medicine Department, Institut Jules Bordet, Université Libre de Bruxelles, Belgium
| | - Lazzaro Repetto
- Dipartimento Oncologia, Ospedale di Sanremo, Via G Borea, 56, 18038 Sanremo, Italy
| | | | - Hans Wildiers
- European Organization for Research and Treatment of Cancer Elderly Task Force, Brussels, Belgium; Laboratory of Experimental Oncology (LEO), Department of Oncology, KU Leuven, and Department of General Medical Oncology, University Hospitals Leuven, Leuven Cancer Institute, Leuven, Belgium
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Benke KS, Wu Y, Fallin DM, Maher B, Palmer LJ. Strategy to control type I error increases power to identify genetic variation using the full biological trajectory. Genet Epidemiol 2013; 37:419-30. [PMID: 23633177 DOI: 10.1002/gepi.21733] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2013] [Revised: 03/21/2013] [Accepted: 04/02/2013] [Indexed: 01/18/2023]
Abstract
Genome-wide association studies have been successful in identifying loci that underlie continuous traits measured at a single time point. To additionally consider continuous traits longitudinally, it is desirable to look at SNP effects at baseline and over time using linear-mixed effects models. Estimation and interpretation of two coefficients in the same model raises concern regarding the optimal control of type I error. To investigate this issue, we calculate type I error and power under an alternative for joint tests, including the two degree of freedom likelihood ratio test, and compare this to single degree of freedom tests for each effect separately at varying alpha levels. We show which joint tests are the optimal way to control the type I error and also illustrate that information can be gained by joint testing in situations where either or both SNP effects are underpowered. We also show that closed form power calculations can approximate simulated power for the case of balanced data, provide reasonable approximations for imbalanced data, but overestimate power for complicated residual error structures. We conclude that a two degree of freedom test is an attractive strategy in a hypothesis-free genome-wide setting and recommend its use for genome-wide studies employing linear-mixed effects models.
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Affiliation(s)
- K S Benke
- Johns Hopkins Bloomberg School of Public Health, Mental Health Department, Baltimore, Maryland 21205, USA.
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