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Vennik J, Geraghty AWA, Martinson K, Yardley L, Stuart B, Moore M, Francis N, Hay A, Verheij T, Bradbury K, Greenwell K, Dennison L, Williamson S, Denison-Day J, Ainsworth B, Raftery J, Zhu S, Butler C, Richards-Hall S, Little P. Determining the clinical and cost-effectiveness of nasal sprays and a physical activity and stress management intervention to reduce respiratory tract infections in primary care: A protocol for the 'Immune Defence' randomised controlled trial. PLoS One 2023; 18:e0285693. [PMID: 37450460 PMCID: PMC10348543 DOI: 10.1371/journal.pone.0285693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 04/26/2023] [Indexed: 07/18/2023] Open
Abstract
BACKGROUND Most adults in the UK experience at least one viral respiratory tract infection (RTI) per year. Individuals with comorbidities and those with recurrent RTIs are at higher risk of infections. This can lead to more severe illness, worse quality of life and more days off work. There is promising evidence that using common nasal sprays or improving immune function through increasing physical activity and managing stress, may reduce the incidence and severity of RTIs. METHODS AND DESIGN Immune Defence is an open, parallel group, randomised controlled trial. Up to 15000 adults from UK general practices, with a comorbidity or risk factor for infection and/or recurrent infections (3 or more infections per year) will be randomly allocated to i) a gel-based nasal spray designed to inhibit viral respiratory infections; ii) a saline nasal spray, iii) a digital intervention promoting physical activity and stress management, or iv) usual care with brief advice for managing infections, for 12 months. Participants will complete monthly questionnaires online. The primary outcome is the total number of days of illness due to RTIs over 6 months. Key secondary outcomes include: days with symptoms moderately bad or worse; days where work/normal activities were impaired; incidence of RTI; incidence of COVID-19; health service contacts; antibiotic usage; beliefs about antibiotics; intention to consult; number of days of illness in total due to respiratory tract infections over 12 months. Economic evaluation from an NHS perspective will compare the interventions, expressed as incremental cost effectiveness ratios. A nested mixed methods process evaluation will examine uptake and engagement with the interventions and trial procedures. TRIAL STATUS Recruitment commenced in December 2020 and the last participant is expected to complete the trial in April 2024. DISCUSSION Common nasal sprays and digital interventions to promote physical activity and stress management are low cost, accessible interventions applicable to primary care. If effective, they have the potential to reduce the individual and societal impact of RTIs. TRIAL REGISTRATION Prospectively registered with ISRCTN registry (17936080) on 30/10/2020. SPONSOR This RCT is sponsored by University of Southampton. The sponsors had no role in the study design, decision to publish, or preparation of the manuscript.
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Affiliation(s)
- Jane Vennik
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
| | - Adam W. A. Geraghty
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
| | - Kate Martinson
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
| | - Lucy Yardley
- School of Psychology, University of Southampton, Southampton, United Kingdom
- School of Psychological Science, University of Bristol, Bristol, United Kingdom
| | - Beth Stuart
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
- Pragmatic Clinical Trials Unit, Queen Mary University of London, London, United Kingdom
| | - Michael Moore
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
| | - Nick Francis
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
| | - Alastair Hay
- Centre for Academic Primary Care, Bristol Medical School, Population Health Sciences, University of Bristol, Bristol, United Kingdom
| | - Theo Verheij
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, Netherlands
| | - Katherine Bradbury
- School of Psychology, University of Southampton, Southampton, United Kingdom
| | - Kate Greenwell
- School of Psychology, University of Southampton, Southampton, United Kingdom
| | - Laura Dennison
- School of Psychology, University of Southampton, Southampton, United Kingdom
| | - Sian Williamson
- School of Psychology, University of Southampton, Southampton, United Kingdom
| | - James Denison-Day
- School of Psychology, University of Southampton, Southampton, United Kingdom
| | - Ben Ainsworth
- School of Psychology, University of Southampton, Southampton, United Kingdom
| | - James Raftery
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
| | - Shihua Zhu
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
| | - Christopher Butler
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, Netherlands
| | - Samantha Richards-Hall
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom
| | - Paul Little
- Primary Care Research Centre, University of Southampton, Southampton, United Kingdom
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Venkatesh H, Osorno AM, Boehm JK, Jenkins BN. Resilience factors during the Coronavirus pandemic: Testing the main effect and stress buffering models of optimism and positive affect with mental and physical health. J Health Psychol 2022; 28:405-416. [PMID: 36047036 DOI: 10.1177/13591053221120340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This study investigates associations between resilience factors (optimism and positive affect) and self-rated health during the COVID-19 pandemic. Longitudinal data were collected (N = 292) across five assessments. Multilevel modeling tested main effects of the resilience factors and how they interacted with stress to predict health. Greater optimism and positive affect were prospectively associated with fewer depressive symptoms (ps < 0.01) and a lower burden of physical health symptoms (ps <0.01). Positive affect interacted with stress to predict depressive symptoms (p < 0.05), suggesting a stress buffering effect. These findings suggest that resilience factors may improve health during COVID-19.
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Deepak KK, Rao MR. Yoga and Meditation as an Adjunct Interventional Strategy for COVID-19 Management. ANNALS OF THE NATIONAL ACADEMY OF MEDICAL SCIENCES (INDIA) 2021. [DOI: 10.1055/s-0041-1731611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Affiliation(s)
- Kishore K. Deepak
- Department of Physiology, All India Institute of Medical Sciences, New Delhi, India
| | - Mohan Raghavendra Rao
- Central Council for Research in Yoga and Naturopathy, Ministry of AYUSH, Janakpuri, New Delhi, India
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The Type I interferon antiviral gene program is impaired by lockdown and preserved by caregiving. Proc Natl Acad Sci U S A 2021; 118:2105803118. [PMID: 34272291 PMCID: PMC8307615 DOI: 10.1073/pnas.2105803118] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Previous research has linked perceived social isolation (loneliness) to reduced antiviral immunity, but the immunologic effects of the objective social isolation imposed by pandemic "shelter in place" (SIP) policies is unknown. We assessed the immunologic impact of SIP by relocating 21 adult male rhesus macaques from 2,000-m2 field cage communities of 70 to 132 other macaques to 2 wk of individual housing in indoor shelters. SIP was associated with 30% to 50% reductions in all circulating immune cell populations (lymphocytes, monocytes, and granulocytes), down-regulation of Type I interferon (IFN) antiviral gene expression, and a relative up-regulation of CD16- classical monocytes. These effects emerged within the first 48 h of SIP, persisted for at least 2 wk, and abated within 4 wk of return to social housing. A subsequent round of SIP in the presence of a novel juvenile macaque showed comparable reductions in circulating immune cell populations but reversal of Type I IFN reductions and classical monocyte increases observed during individual SIP. Analyses of lymph node tissues showed parallel up-regulation of Type I IFN genes and enhanced control of viral gene expression during juvenile-partnered SIP compared to isolated SIP. These results identify a significant adverse effect of SIP social isolation on antiviral immune regulation in both circulating immune cells and lymphoid tissues, and they suggest a potential behavioral strategy for ameliorating gene regulatory impacts (but not immune cell declines) by promoting prosocial engagement during SIP.
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Infection-Associated Mechanisms of Neuro-Inflammation and Neuro-Immune Crosstalk in Chronic Respiratory Diseases. Int J Mol Sci 2021; 22:ijms22115699. [PMID: 34071807 PMCID: PMC8197882 DOI: 10.3390/ijms22115699] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/21/2021] [Accepted: 05/24/2021] [Indexed: 12/12/2022] Open
Abstract
Chronic obstructive airway diseases are characterized by airflow obstruction and airflow limitation as well as chronic airway inflammation. Especially bronchial asthma and chronic obstructive pulmonary disease (COPD) cause considerable morbidity and mortality worldwide, can be difficult to treat, and ultimately lack cures. While there are substantial knowledge gaps with respect to disease pathophysiology, our awareness of the role of neurological and neuro-immunological processes in the development of symptoms, the progression, and the outcome of these chronic obstructive respiratory diseases, is growing. Likewise, the role of pathogenic and colonizing microorganisms of the respiratory tract in the development and manifestation of asthma and COPD is increasingly appreciated. However, their role remains poorly understood with respect to the underlying mechanisms. Common bacteria and viruses causing respiratory infections and exacerbations of chronic obstructive respiratory diseases have also been implicated to affect the local neuro-immune crosstalk. In this review, we provide an overview of previously described neuro-immune interactions in asthma, COPD, and respiratory infections that support the hypothesis of a neuro-immunological component in the interplay between chronic obstructive respiratory diseases, respiratory infections, and respiratory microbial colonization.
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Yi F, Li X, Song X, Zhu L. The Underlying Mechanisms of Psychological Resilience on Emotional Experience: Attention-Bias or Emotion Disengagement. Front Psychol 2020; 11:1993. [PMID: 33041879 PMCID: PMC7527537 DOI: 10.3389/fpsyg.2020.01993] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 07/17/2020] [Indexed: 01/12/2023] Open
Abstract
Psychological resilience is consisted of social resources and protective factors for individuals against negative effects, and can influence the process of meta-cognition of individuals in response to emotion feelings. However, individuals with high or low resilience may produce various emotional experiences when facing the same events. According to an emotional input-output model, the different impacts of resilience on emotional experience may be caused during the process of receiving or disengaging stages. In order to address this problem, three experiments were conducted in the present study. The Experiment 1 was designed to explore whether the positive and negative emotions were associated with higher or lower levels of resilience. The aims of Experiments 2 and 3 were to test at which stages the different emotional experiences were caused by high or low resilience of individuals. The results showed that individuals with low resilience were more likely to feel more negative and less positive emotions, and resilience was significantly negatively associated with anxiety or depression. However, there was no difference in the stage of receiving emotional information between high and low resilient individuals, but differ on their ability of disengagement from emotional information, the individuals with high resilience disengaged from both positive and negative emotional information much faster. These findings were discussed in the context of different theories about the relationship between resilience and emotional experience.
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Affiliation(s)
- Feng Yi
- School of Psychology, Key Laboratory for Behavior and Cognitive Neuroscience of Shaanxi Province, Shaanxi Normal University, Xi’an, China
| | - Xiaofang Li
- People’s Government of Anhua Town, Lanzhou, China
| | - Xiaolei Song
- School of Psychology, Key Laboratory for Behavior and Cognitive Neuroscience of Shaanxi Province, Shaanxi Normal University, Xi’an, China
| | - Lei Zhu
- School of Psychology, Key Laboratory for Behavior and Cognitive Neuroscience of Shaanxi Province, Shaanxi Normal University, Xi’an, China
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Abstract
IMPORTANCE There is increasing recognition that positive affective states have a protective association for all-cause mortality. However, positive states of happiness and excitement vary over time, and little is known about the association of fluctuations in positive affect with survival. OBJECTIVE To investigate the association of positive affect instability, conceptualized as fluctuations in momentary positive affect, with mortality in a population-based sample of older adults in England. DESIGN, SETTING, AND PARTICIPANTS This survey study used data from a longitudinal survey collected in wave 2 (2004) of the English Longitudinal Study of Ageing, a nationally representative sample of older men and women living in England, with follow-up continuing until March 2018. Participants included people aged 50 years or older at recruitment. Data were analyzed from September 2019 to April 2020. MAIN OUTCOMES AND MEASURES The main outcome was all-cause mortality. Positive and negative affect were measured at 4 time points over the course of 1 day: soon after waking, 30 minutes after waking, at 7:00 pm, and at bedtime. RESULTS Data were analyzed from 3834 participants (mean [SD] age at baseline, 64.0 [7.4] years; 2082 [54.3%] women) with a mean (SD) follow-up of 12.25 (2.60) years. Adjusting for demographic characteristics, baseline illness, health behaviors, and mean level and instability in negative affect, Cox proportional hazards regression showed that high positive affect instability was associated with greater mortality, with a hazard ratio of 1.25 (95% CI, 1.04-1.49; P = .02). Associations did not differ by age, suggesting that the increased mortality risk associated with high positive affect instability was not restricted to older ages. CONCLUSION AND RELEVANCE These findings suggest that temporal fluctuations in positive affect were associated with mortality risk in older adults. These findings illustrate the value of incorporating dynamic assessments of positive affect in distal health outcomes such as mortality.
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Affiliation(s)
- Anthony D Ong
- Department of Human Development, Cornell University, Ithaca, New York
- Division of Geriatrics and Palliative Medicine, Weill Cornell Medical College, New York, New York
| | - Andrew Steptoe
- Department of Behavioural Science and Health, University College London, London, United Kingdom
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8
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Shattuck EC, Perrotte JK, Daniels CL, Xu X, Sunil TS. The Contribution of Sociocultural Factors in Shaping Self-Reported Sickness Behavior. Front Behav Neurosci 2020; 14:4. [PMID: 32038193 PMCID: PMC6992553 DOI: 10.3389/fnbeh.2020.00004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 01/09/2020] [Indexed: 12/11/2022] Open
Abstract
Sickness behavior is an evolutionarily conserved phenomenon found across a diverse range of animals involving a change in motivational priorities to theoretically maximize energetic investment in immune function and recovery. Typical components of sickness behavior include reduced sociability and activity, changes in diet, and depressed affect. Importantly, however, sickness behavior appears to be subject to other demands of life history in animal models, including reproduction and offspring survival. Thus, "feeling sick" is often context dependent with possible effects on morbidity and mortality. While humans may not always face the same life history trade-offs, sociocultural norms and values may similarly shape sickness behavior by establishing internalized parameters for "socially appropriate sickness." We explore the role of these factors in shaping sickness behavior by surveying a national U.S. sample (n = 1,259). Self-reported and recalled sickness behavior was measured using the SicknessQ instrument, which has previously been validated against experimentally induced sickness behavior. After post-stratification weighting and correction for Type I error, generalized linear models showed that sickness behavior is significantly affected by various factors across sex and racial/ethnic groupings. Income below the national mean (b = 1.85, adj. p = 0.025), stoic endurance of pain and discomfort (b = 1.61, adj. p < 0.001), and depressive symptomology (b = 0.53, adj. p < 0.001) were each associated with greater sickness behavior scores. Familism (b = 1.59, adj. p = 0.008) was positively associated with sickness behavior in men, but not women. Endurance of pain and discomfort was associated with greater sickness behavior in Whites only (b = 1.94, adj. p = 0.002), while familism approached significance in African Americans only (b = 1.86, adj. p = 0.057). These findings may reflect different social contexts of sickness across demographic groups, which may in turn have important implications for pathogen transmission and recovery times, potentially contributing to health disparities.
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Affiliation(s)
- Eric C. Shattuck
- Institute for Health Disparities Research, College of Liberal and Fine Arts, The University of Texas at San Antonio, San Antonio, TX, United States
| | - Jessica K. Perrotte
- Department of Psychology, Texas State University, San Marcos, TX, United States
| | - Colton L. Daniels
- Department of Sociology, College of Liberal and Fine Arts, The University of Texas at San Antonio, San Antonio, TX, United States
| | - Xiaohe Xu
- Department of Sociology, College of Liberal and Fine Arts, The University of Texas at San Antonio, San Antonio, TX, United States
- School of Public Administration, Sichuan University, Chengdu, China
| | - Thankam S. Sunil
- Institute for Health Disparities Research, College of Liberal and Fine Arts, The University of Texas at San Antonio, San Antonio, TX, United States
- Department of Sociology, College of Liberal and Fine Arts, The University of Texas at San Antonio, San Antonio, TX, United States
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9
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Brown RL, Shahane AD, Chen MA, Fagundes CP. Cognitive reappraisal and nasal cytokine production following experimental rhinovirus infection. Brain Behav Immun Health 2019; 1. [PMID: 32140685 PMCID: PMC7057831 DOI: 10.1016/j.bbih.2019.100012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Following exposure to the common cold (i.e., rhinovirus), locally produced nasal cytokines (rather than the infection itself) drive the progression of one's symptoms (Hendley et al., 1973; Cohen et al., 1999). Stress-induced local inflammation exacerbates local cytokine production (e.g., marital hostility; Kiecolt-Glaser et al., 2005). An individual's ability to effectively manage their emotions is a critical component of positive health and well-being. Here, we evaluated whether one's self-reported frequency of cognitive reappraisal, an adaptive emotion regulation strategy, predicts nasal cytokine production following experimental rhinovirus exposure. Emotion regulation strategies were assessed at baseline prior to experimental infection. After the baseline assessment, each participant was exposed to a strain of rhinovirus (RV-39) and followed for 5 days in quarantine. Nasal interleukin (IL)-1β, IL-6, and IL-8 and subjective symptoms were assessed at baseline and on each of the 5 days of quarantine. A multilevel analysis of the data for 159 participants with documented infection demonstrated that less frequent use of cognitive reappraisal predicted heightened production of the nasal cytokine composite. Those who self-reported using cognitive reappraisal strategies less frequently displayed elevated nasal IL-6 and IL-8. Among the 63 participants with clinical cold, less frequent use of cognitive reappraisal was associated with heightened production of nasal IL-1β, IL-6, and IL-8. In ancillary analyses, the composite of nasal cytokines was associated with the severity of one's subjective symptoms across the 5 days. Findings suggest that emotion regulation strategies, particularly cognitive reappraisal, influence illness trajectories during rhinovirus infection.
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Affiliation(s)
- Ryan L Brown
- Rice University, 6100 Main Street, Houston, TX, 77005, United States
| | | | - Michelle A Chen
- Rice University, 6100 Main Street, Houston, TX, 77005, United States
| | - Christopher P Fagundes
- Rice University, 6100 Main Street, Houston, TX, 77005, United States.,The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX, 77030, United States.,Baylor College of Medicine, 1 Baylor Plaza, Houston, TX, 77030, United States
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Roubinov DS, Bush NR, Adler NE, Boyce WT. Differences in Febrile and Respiratory Illnesses in Minority Children: The Sociodemographic Context of Restrictive Parenting. Acad Pediatr 2019; 19:534-541. [PMID: 30268425 PMCID: PMC6437018 DOI: 10.1016/j.acap.2018.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 09/21/2018] [Accepted: 09/22/2018] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To examine the moderating role of restrictive parenting on the relation of socioeconomic status (SES) to febrile illnesses (FIs) and upper respiratory illnesses (URIs) among ethnic minority and non-minority children. METHODS Children from diverse ethnic backgrounds (Caucasian, African American, Asian, Latino, other, or multiethnic) were followed across the course of the kindergarten year. Parents reported on SES and parenting. A nurse completed 13 physical exams per child over the year to assess FIs and URIs. RESULTS During the school year, 28% of children (n = 199, 56% ethnic minority) exhibited one or more FIs (range, 0-6) and 90% exhibited one or more URIs (range, 0-10). No main or moderating effects of SES or restrictive parenting on FIs or URIs were found among Caucasian children; however, among ethnic minority children, the relation of SES to FIs was conditional upon restrictive parenting (β = .66; P = .02), as the fewest FIs were found for lower SES minority children whose parents reported more restrictive practices. Additionally, among minority children, more restrictive parenting was marginally associated with fewer URIs (β = -.21; P = .05). CONCLUSIONS Unexpectedly, among minority children the fewest illnesses occurred among lower SES children whose parents endorsed more restrictive parenting. This may be due to unique appraisals of this rearing style among minority children in lower SES environments and its potential to influence immune functioning. Results suggest variability in the effects of parenting on offspring health and support context-specific evaluations of parenting in efforts to ameliorate early health disparities.
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Affiliation(s)
- Danielle S Roubinov
- Department of Psychiatry (DS Roubinov, NR Bush, N Adler, and WT Boyce), Weill Institute for Neurosciences, University of California, San Francisco.
| | - Nicole R Bush
- Department of Psychiatry (DS Roubinov, NR Bush, N Adler, and WT Boyce), Weill Institute for Neurosciences, University of California, San Francisco; Department of Pediatrics (NR Bush, N Adler, and WT Boyce), University of California, San Francisco
| | - Nancy E Adler
- Department of Psychiatry (DS Roubinov, NR Bush, N Adler, and WT Boyce), Weill Institute for Neurosciences, University of California, San Francisco; Department of Pediatrics (NR Bush, N Adler, and WT Boyce), University of California, San Francisco
| | - W Thomas Boyce
- Department of Psychiatry (DS Roubinov, NR Bush, N Adler, and WT Boyce), Weill Institute for Neurosciences, University of California, San Francisco; Department of Pediatrics (NR Bush, N Adler, and WT Boyce), University of California, San Francisco
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11
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Rentscher KE, Carroll JE, Repetti RL, Cole SW, Reynolds BM, Robles TF. Chronic stress exposure and daily stress appraisals relate to biological aging marker p16 INK4a. Psychoneuroendocrinology 2019; 102:139-148. [PMID: 30557761 PMCID: PMC6420375 DOI: 10.1016/j.psyneuen.2018.12.006] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 12/04/2018] [Accepted: 12/06/2018] [Indexed: 01/19/2023]
Abstract
Previous research has linked exposure to adverse social conditions with DNA damage and accelerated telomere shortening, raising the possibility that chronic stress may impact biological aging pathways, ultimately increasing risk for age-related diseases. Less clear, however, is whether these stress-related effects extend to additional hallmarks of biological aging, including cellular senescence, a stable state of cell cycle arrest. The present study aimed to investigate associations between psychosocial stress and two markers of cellular aging-leukocyte telomere length (LTL) and cellular senescence signal p16INK4a. Seventy-three adults (Mage = 43.0, SD = 7.2; 55% female) with children between 8-13 years of age completed interview-based and questionnaire measures of their exposures to and experiences of stress, as well as daily reports of stress appraisals over an 8-week diary period. Blood samples were used to assess markers of cellular aging: LTL and gene expression of senescent cell signal p16INK4a (CDKN2A). Random effects models covarying for age, sex, ethnicity/race, and BMI revealed that participants with greater chronic stress exposure over the previous 6 months (b = 0.011, p = .04), perceived stress (b = 0.020, p < .001), and accumulated daily stress appraisals over the 8-week period (b = 0.013, p = .02) showed increased p16INK4a. No significant associations with LTL were found. These findings extend previous work on the impact of stress on biological aging by linking chronic stress exposure and daily stressful experiences to an accumulation of senescent cells. Findings also support the hypothesis that chronic stress is associated with accelerated aging by inducing cellular senescence, a common correlate of age-related diseases.
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Affiliation(s)
- Kelly E Rentscher
- Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, University of California, 300 Medical Plaza, Los Angeles, CA 90095, USA.
| | - Judith E Carroll
- Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, University of California, 300 Medical Plaza, Los Angeles, CA 90095, USA.
| | - Rena L Repetti
- Department of Psychology, University of California, 502 Portola Plaza, Los Angeles, CA 90095, USA.
| | - Steve W Cole
- Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, University of California, 300 Medical Plaza, Los Angeles, CA 90095, USA.
| | - Bridget M Reynolds
- National Center for Health Statistics, Centers for Disease Control and Prevention, 3311 Toledo Road, Hyattsville, MD 20782, USA.
| | - Theodore F Robles
- Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, University of California, 300 Medical Plaza, Los Angeles, CA 90095, USA; Department of Psychology, University of California, 502 Portola Plaza, Los Angeles, CA 90095, USA.
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12
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Pressman SD, Jenkins BN, Moskowitz JT. Positive Affect and Health: What Do We Know and Where Next Should We Go? Annu Rev Psychol 2019; 70:627-650. [DOI: 10.1146/annurev-psych-010418-102955] [Citation(s) in RCA: 176] [Impact Index Per Article: 35.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Positive affect (PA) is associated with better health across a wide range of physical health outcomes. This review reflects on why the study of PA is an essential component of our understanding of physical health and expands on pathways that connect these two variables. To encourage forward movement in this burgeoning research area, measurement and design issues in the study of PA and health are discussed, as are the connections between PA and a range of different health outcomes. Plausible biological, social, and behavioral pathways that allow for positive feelings to get under the skin and influence physical wellness are detailed and framed in the context of several theoretical models. Finally, new directions for the field and important methodological and interpretative considerations that are essential to moving this important research area forward are explored.
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Affiliation(s)
- Sarah D. Pressman
- Department of Psychological Science, University of California, Irvine, California 92697, USA
| | - Brooke N. Jenkins
- Department of Psychology, Chapman University, Orange, California 92866, USA
| | - Judith T. Moskowitz
- Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611, USA
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Wagner EYN, Ajdacic-Gross V, Strippoli MPF, Gholam-Rezaee M, Glaus J, Vandeleur C, Castelao E, Vollenweider P, Preisig M, von Känel R. Associations of Personality Traits With Chronic Low-Grade Inflammation in a Swiss Community Sample. Front Psychiatry 2019; 10:819. [PMID: 31798472 PMCID: PMC6863063 DOI: 10.3389/fpsyt.2019.00819] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 10/17/2019] [Indexed: 12/15/2022] Open
Abstract
Objective: Among the major dimensions of personality, high Neuroticism and low Conscientiousness have frequently been linked to worse health-related behaviors and poor health outcomes. However, studies on the association between personality traits and biomarkers of chronic low-grade inflammation reflecting increased morbidity and mortality risk are sparse; therefore, the aim of this study was to explore this association. Methods: A population-based Swiss sample of 2,182 persons (40-82 years, 42% men) completed a comprehensive personality questionnaire (NEO Five-Factor Inventory-Revised). Circulating levels of inflammatory markers, including C-reactive protein, interleukin (IL)-1β, IL-6, tumor necrosis factor-α, and levels of the "cardioprotective" adipo(cyto)kine adiponectin were also determined. Analyses controlled for sociodemographic factors, traditional cardiovascular risk factors and lifetime psychiatric disorders using a validated semi-structured psychiatric interview. The role of gender as a moderator of the personality-inflammation link was additionally explored. Results: Controlling for all covariates, higher Extraversion (β = 0.092, 95%CI 0.004-0.180) was positively associated with higher IL-6 levels, and higher Conscientiousness (β = -0.095, 95%CI -0.180-[-0.009]) were significantly associated with lower IL-6 levels (all p-values < 0.05). Neuroticism and Agreeableness showed no significant association with any inflammatory biomarker. The associations between personality traits and inflammatory markers were not moderated by gender. Conclusions: Conscientiousness seems to be inversely related to chronic low-grade inflammation as measured by IL-6 levels, compatible with protection from the cardiovascular risk. The opposite may apply to Extraversion. Further research is needed to better understand the underlying mechanisms and their impact for health outcomes in the community.
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Affiliation(s)
- En-Young N Wagner
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, Zurich, Switzerland.,Department of BioMedical Research, Bern University Hospital, Bern, Switzerland
| | - Vladeta Ajdacic-Gross
- Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, Zurich, Switzerland
| | - Marie-Pierre F Strippoli
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Mehdi Gholam-Rezaee
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Jennifer Glaus
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Caroline Vandeleur
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Enrique Castelao
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Peter Vollenweider
- Department of Medicine, Internal Medicine, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Martin Preisig
- Department of Psychiatry, Center for Research in Psychiatric Epidemiology and Psychopathology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Roland von Känel
- Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University Hospital Zurich, Zurich, Switzerland
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14
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Saghazadeh A, Rezaei N. The Physical Burden of Immunoperception. BIOPHYSICS AND NEUROPHYSIOLOGY OF THE SIXTH SENSE 2019. [PMCID: PMC7123546 DOI: 10.1007/978-3-030-10620-1_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
The previous chapter introduced the ImmunoEmotional Regulatory System (IMMERS). Also, there was a brief discussion about psychological states/psychiatric disorders that so far have been linked to the IMMERS. The present chapter considers another aspect of the IMMERS in which physiological states/physical diseases can be fit to the IMMERS.
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Jubrail J, Africano-Gomez K, Herit F, Baturcam E, Mayer G, Cunoosamy DM, Kurian N, Niedergang F. HRV16 Impairs Macrophages Cytokine Response to a Secondary Bacterial Trigger. Front Immunol 2018; 9:2908. [PMID: 30619272 PMCID: PMC6305396 DOI: 10.3389/fimmu.2018.02908] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 11/27/2018] [Indexed: 11/17/2022] Open
Abstract
Human rhinovirus is frequently seen as an upper respiratory tract infection but growing evidence proves the virus can cause lower respiratory tract infections in patients with chronic inflammatory lung diseases including chronic obstructive pulmonary disease (COPD). In addition to airway epithelial cells, macrophages are crucial for regulating inflammatory responses to viral infections. However, the response of macrophages to HRV has not been analyzed in detail. We used in vitro monocyte-derived human macrophages to study the cytokine secretion of macrophages in response to the virus. Our results showed that macrophages were competent at responding to HRV, as a robust cytokine response was detected. However, after subsequent exposure to non-typeable Haemophilus influenzae (NTHi) or to LPS, HRV-treated macrophages secreted reduced levels of pro-inflammatory or regulatory cytokines. This “paralyzed” phenotype was not mimicked if the macrophages were pre-treated with LPS or CpG instead of the virus. These results begin to deepen our understanding into why patients with COPD show HRV-induced exacerbations and why they mount a defective response toward NTHi.
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Affiliation(s)
- Jamil Jubrail
- Institut Cochin, Inserm U1016, Paris, France.,CNRS, UMR 8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Kshanti Africano-Gomez
- Institut Cochin, Inserm U1016, Paris, France.,CNRS, UMR 8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Floriane Herit
- Institut Cochin, Inserm U1016, Paris, France.,CNRS, UMR 8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Engin Baturcam
- IMED Biotech Unit, Target and Translational Science, Respiratory, Inflammation & Autoimmunity, AstraZeneca, Gothenburg, Sweden
| | - Gaell Mayer
- Clinical Development, Respiratory Inhalation & Oral Development, GMD, AstraZeneca, Gothenburg, Sweden
| | - Danen Mootoosamy Cunoosamy
- IMED Biotech Unit, Target and Translational Science, Respiratory, Inflammation & Autoimmunity, AstraZeneca, Gothenburg, Sweden
| | - Nisha Kurian
- Precision Medicine & Genomics, IMED Biotech Unit, AstraZeneca, Gothenburg, Sweden
| | - Florence Niedergang
- Institut Cochin, Inserm U1016, Paris, France.,CNRS, UMR 8104, Paris, France.,Université Paris Descartes, Sorbonne Paris Cité, Paris, France
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16
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Meditation or exercise for preventing acute respiratory infection (MEPARI-2): A randomized controlled trial. PLoS One 2018; 13:e0197778. [PMID: 29933369 PMCID: PMC6014660 DOI: 10.1371/journal.pone.0197778] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 05/07/2018] [Indexed: 12/31/2022] Open
Abstract
Background Practice of meditation or exercise may enhance health to protect against acute infectious illness. Objective To assess preventive effects of meditation and exercise on acute respiratory infection (ARI) illness. Design Randomized controlled prevention trial with three parallel groups. Setting Madison, Wisconsin, USA. Participants Community-recruited adults who did not regularly exercise or meditate. Methods 1) 8-week behavioral training in mindfulness-based stress reduction (MBSR); 2) matched 8-week training in moderate intensity sustained exercise (EX); or 3) observational waitlist control. Training classes occurred in September and October, with weekly ARI surveillance through May. Incidence, duration, and area-under-curve ARI global severity were measured using daily reports on the WURSS-24 during ARI illness. Viruses were identified multiplex PCR. Absenteeism, health care utilization, and psychosocial health self-report assessments were also employed. Results Of 413 participants randomized, 390 completed the trial. In the MBSR group, 74 experienced 112 ARI episodes with 1045 days of ARI illness. Among exercisers, 84 had 120 episodes totaling 1010 illness days. Eighty-two of the controls had 134 episodes with 1210 days of ARI illness. Mean global severity was 315 for MBSR (95% confidence interval 244, 386), 256 (193, 318) for EX, and 336 (268, 403) for controls. A prespecified multivariate zero-inflated regression model suggested reduced incidence for MBSR (p = 0.036) and lower global severity for EX (p = 0.042), compared to control, not quite attaining the p<0.025 prespecified cut-off for null hypothesis rejection. There were 73 ARI-related missed-work days and 22 ARI-related health care visits in the MBSR group, 82 days and 21 visits for exercisers, and 105 days and 24 visits among controls. Viruses were identified in 63 ARI episodes in the MBSR group, compared to 64 for EX and 72 for control. Statistically significant (p<0.05) improvements in general mental health, self-efficacy, mindful attention, sleep quality, perceived stress, and depressive symptoms were observed in the MBSR and/or EX groups, compared to control. Conclusions Training in mindfulness meditation or exercise may help protect against ARI illness. Limitations This trial was likely underpowered. Trial registration Clinicaltrials.gov NCT01654289
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17
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Koch RM, Kox M, van den Kieboom C, Ferwerda G, Gerretsen J, ten Bruggencate S, van der Hoeven JG, de Jonge MI, Pickkers P. Short-term repeated HRV-16 exposure results in an attenuated immune response in vivo in humans. PLoS One 2018; 13:e0191937. [PMID: 29447199 PMCID: PMC5813921 DOI: 10.1371/journal.pone.0191937] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 01/11/2018] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Naturally, development of adaptive immunity following HRV infection affects the immune response. However, it is currently unclear whether or not HRV re-exposure within a short time frame leads to an altered innate immune response. The "experimental cold model" is used to investigate the pathogenesis of HRV infection and allows us to investigate the effects of repeated exposure on both local and systemic innate immunity. METHODS 40 healthy male and female (1:1) subjects were nasally inoculated with HRV-16 or placebo. One week later, all subjects received HRV-16. Baseline seronegative subjects (n = 18) were included for further analysis. RESULTS Infection rate was 82%. Primary HRV infection induced a marked increase in viral load and IP-10 levels in nasal wash, while a similar trend was observed for IL-6 and IL-10. Apart from an increase in IP-10 plasma levels, HRV infection did not induce systemic immune effects nor lower respiratory tract inflammation. With similar viral load present during the second HRV challenge, IP-10 and IL-6 in nasal wash showed no increase, but gradually declined, with a similar trend for IL-10. CONCLUSION Upon a second HRV challenge one week after the first, a less pronounced response for several innate immune parameters is observed. This could be the result of immunological tolerance and possibly increases vulnerability towards secondary infections.
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Affiliation(s)
- Rebecca M. Koch
- Radboudumc, HB, Radboud Institute for Molecular Life Sciences, Department of Intensive Care Medicine, HB, Nijmegen, The Netherlands
- Radboud center for Infectious Diseases (RCI), HB, Nijmegen, The Netherlands
| | - Matthijs Kox
- Radboudumc, HB, Radboud Institute for Molecular Life Sciences, Department of Intensive Care Medicine, HB, Nijmegen, The Netherlands
- Radboud center for Infectious Diseases (RCI), HB, Nijmegen, The Netherlands
- * E-mail:
| | - Corné van den Kieboom
- Radboud center for Infectious Diseases (RCI), HB, Nijmegen, The Netherlands
- Radboudumc, HB, Radboud Institute for Molecular Life Sciences, Department of Pediatrics, HB, Nijmegen, The Netherlands
| | - Gerben Ferwerda
- Radboud center for Infectious Diseases (RCI), HB, Nijmegen, The Netherlands
- Radboudumc, HB, Radboud Institute for Molecular Life Sciences, Department of Pediatrics, HB, Nijmegen, The Netherlands
| | - Jelle Gerretsen
- Radboudumc, HB, Radboud Institute for Molecular Life Sciences, Department of Intensive Care Medicine, HB, Nijmegen, The Netherlands
- Radboud center for Infectious Diseases (RCI), HB, Nijmegen, The Netherlands
| | | | - Johannes G. van der Hoeven
- Radboudumc, HB, Radboud Institute for Molecular Life Sciences, Department of Intensive Care Medicine, HB, Nijmegen, The Netherlands
- Radboud center for Infectious Diseases (RCI), HB, Nijmegen, The Netherlands
| | - Marien I. de Jonge
- Radboud center for Infectious Diseases (RCI), HB, Nijmegen, The Netherlands
- Radboudumc, HB, Radboud Institute for Molecular Life Sciences, Department of Pediatrics, HB, Nijmegen, The Netherlands
| | - Peter Pickkers
- Radboudumc, HB, Radboud Institute for Molecular Life Sciences, Department of Intensive Care Medicine, HB, Nijmegen, The Netherlands
- Radboud center for Infectious Diseases (RCI), HB, Nijmegen, The Netherlands
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18
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19
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Prather AA, Janicki-Deverts D, Adler NE, Hall M, Cohen S. Sleep Habits and Susceptibility to Upper Respiratory Illness: the Moderating Role of Subjective Socioeconomic Status. Ann Behav Med 2017; 51:137-146. [PMID: 27679462 PMCID: PMC5253106 DOI: 10.1007/s12160-016-9835-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Sleep is a predictor of infectious illness that may depend on one's socioeconomic status (SES). PURPOSE This study aimed to investigate the moderating effects of objective and subjective SES on sleep-clinical cold risk link and test whether nasal inflammation serves as a plausible biological pathway. METHODS This study combined data (n = 732) from three viral challenge studies. Measures of self-reported sleep and objective and subjective measures of SES were obtained. Participants were quarantined and administrated rhinovirus (RV) or influenza virus and monitored over 5 (RV) or 6 (influenza) days for the development of a cold. Symptom severity, including mucus production and nasal clearance time, and levels of nasal cytokines (interleukin (IL)-6 and IL-1β) were measured prior to administration and each day during the quarantined period. RESULTS Subjective SES, but not objective SES, moderated associations between shorter sleep duration and increased likelihood of a clinical cold. Compared to ≥8-hour sleepers, ≤6-hour sleepers with low subjective SES were at increased risk for developing a cold (OR = 2.57, 95% CI 1.10-6.02). There was no association between sleep duration and colds in high subjective SES participants. Among infected individuals who reported low subjective SES, shorter sleep duration was associated with greater mucus production. There was no evidence that markers of nasal inflammation mediated the link between sleep duration and cold susceptibility among those reporting low subjective SES. CONCLUSION Subjective SES may reflect an important social factor for understanding vulnerability to and protection against infectious illness among short sleepers.
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Affiliation(s)
- Aric A Prather
- Department of Psychiatry, University of California, San Francisco, CA, USA.
- Center for Health and Community, University of California, San Francisco, CA, USA.
| | | | - Nancy E Adler
- Department of Psychiatry, University of California, San Francisco, CA, USA
- Center for Health and Community, University of California, San Francisco, CA, USA
| | - Martica Hall
- Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Sheldon Cohen
- Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, USA.
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20
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Bai S, Reynolds BM, Robles TF, Repetti RL. Daily links between school problems and youth perceptions of interactions with parents: A diary study of school-to-home spillover. SOCIAL DEVELOPMENT 2016; 26:813-830. [PMID: 29307958 DOI: 10.1111/sode.12229] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This study examined how academic and peer problems at school are linked to family interactions at home on the same day, using eight consecutive weeks of daily diary data collected from early adolescents (60% female; M age = 11.28, SD = 1.50), mothers and fathers in 47 families. On days when children reported more academic problems at school, they, but not their parents, reported less warmth and more conflict with mothers, and more conflict and less time spent around fathers. These effects were partially explained by same-day child reports of higher negative mood. Peer problems were less consistently associated with parent-child interactions over and above the effects of academic problems that day. A one-time measure of parent-child relationship quality moderated several daily associations, such that the same-day link between school problems and child-report of family interactions was stronger among children who were closer to their parents.
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Affiliation(s)
- Sunhye Bai
- Department of Psychology, University of California, Los Angeles
| | | | | | - Rena L Repetti
- Department of Psychology, University of California, Los Angeles
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21
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Trueba A, Ryan MW, Vogel PD, Ritz T. Effects of academic exam stress on nasal leukotriene B4 and vascular endothelial growth factor in asthma and health. Biol Psychol 2016; 118:44-51. [PMID: 27143192 DOI: 10.1016/j.biopsycho.2016.04.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Revised: 04/13/2016] [Accepted: 04/21/2016] [Indexed: 01/13/2023]
Abstract
OBJECTIVE To examine the effect of final exam stress on the concentrations of leukotriene B4 (LTB4) and vascular endothelial growth factor (VEGF) in the upper airways among healthy and asthmatic individuals. METHOD Nasal samples were collected from 12 individuals with asthma and 23 healthy controls early and late in a final exam period, and during a low-stress period in the semester. We determined LTB4 and VEGF concentrations using Enzyme-Linked Immunoassays. RESULTS Mixed effects analysis of variance models showed that asthmatic participants with allergies in contrast to healthy individuals experienced a decrease in nasal LTB4 during the final exam period as compared to mid-semester (low stress period). There were no significant changes in nasal VEGF across the observation period. Changes in nasal LTB4 and VEGF were not associated with salivary cortisol, exhaled nitric oxide, or spirometric lung function. CONCLUSIONS Our results suggest that nasal LTB4 concentrations change in periods of psychological stress for asthmatic individuals with allergies.
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Affiliation(s)
- Ana Trueba
- Department of Psychology, Quito Brain and Behavior Laboratory, Universidad San Francisco de Quito, Quito, Ecuador; Department of Psychology, Southern Methodist University, Dallas, TX, USA.
| | - Matthew W Ryan
- Department of Otolaryngology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Pia D Vogel
- Department of Biological Sciences, Southern Methodist University, Dallas, TX, USA
| | - Thomas Ritz
- Department of Psychology, Southern Methodist University, Dallas, TX, USA
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22
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Moore RC, Dev SI, Jeste DV, Dziobek I, Eyler LT. Distinct neural correlates of emotional and cognitive empathy in older adults. Psychiatry Res 2015; 232:42-50. [PMID: 25770039 PMCID: PMC4404184 DOI: 10.1016/j.pscychresns.2014.10.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2014] [Revised: 08/22/2014] [Accepted: 10/20/2014] [Indexed: 12/30/2022]
Abstract
Empathy is thought to be a mechanism underlying prosocial behavior across the lifespan, yet little is known about how levels of empathy relate to individual differences in brain functioning among older adults. In this exploratory study, we examined the neural correlates of affective and cognitive empathy in older adults. Thirty older adults (M=79 years) underwent fMRI scanning and neuropsychological testing and completed a test of affective and cognitive empathy. Brain response during processing of cognitive and emotional stimuli was measured by fMRI in a priori and task-related regions and was correlated with levels of empathy. Older adults with higher levels of affective empathy showed more deactivation in the amygdala and insula during a working memory task, whereas those with higher cognitive empathy showed greater insula activation during a response inhibition task. Our preliminary findings suggest that brain systems linked to emotional and social processing respond differently among older adults with more or less affective and cognitive empathy. That these relationships can be seen both during affective and non-emotional tasks of "cold" cognitive abilities suggests that empathy may impact social behavior through both emotional and cognitive mechanisms.
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Affiliation(s)
- Raeanne C Moore
- University of California San Diego Department of Psychiatry, La Jolla, CA, USA; Sam and Rose Stein Institute for Research on Aging, University of California, San Diego, CA, USA
| | - Sheena I Dev
- University of California San Diego Department of Psychiatry, La Jolla, CA, USA; San Diego State University, Department of Psychology, San Diego, CA, USA
| | - Dilip V Jeste
- University of California San Diego Department of Psychiatry, La Jolla, CA, USA; Sam and Rose Stein Institute for Research on Aging, University of California, San Diego, CA, USA
| | - Isabel Dziobek
- Max Planck Research Group "Neurocognition of Decision Making", Max Planck Institute for Human Development, Berlin, Germany; Cluster of Excellence "Languages of Emotion", Freie Universität Berlin, Berlin, Germany; Department of Education and Psychology, Freie Universität Berlin, Berlin, Germany
| | - Lisa T Eyler
- University of California San Diego Department of Psychiatry, La Jolla, CA, USA; Sam and Rose Stein Institute for Research on Aging, University of California, San Diego, CA, USA; Desert-Pacific Mental Illness Research, Education, and Clinical Center, VA San Diego Healthcare System, CA, USA.
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23
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Del Vecchio AM, Branigan PJ, Barnathan ES, Flavin SK, Silkoff PE, Turner RB. Utility of animal and in vivo experimental infection of humans with rhinoviruses in the development of therapeutic agents for viral exacerbations of asthma and chronic obstructive pulmonary disease. Pulm Pharmacol Ther 2014; 30:32-43. [PMID: 25445932 PMCID: PMC7110859 DOI: 10.1016/j.pupt.2014.10.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 10/24/2014] [Accepted: 10/29/2014] [Indexed: 12/16/2022]
Abstract
There is an association with acute viral infection of the respiratory tract and exacerbations of asthma and chronic obstructive pulmonary disease (COPD). Although these exacerbations are associated with several types of viruses, human rhinoviruses (HRVs) are associated with the vast majority of disease exacerbations. Due to the lack of an animal species that is naturally permissive for HRVs to use as a facile model system, and the limitations associated with animal models of asthma and COPD, studies of controlled experimental infection of humans with HRVs have been used and conducted safely for decades. This review discusses how these experimental infection studies with HRVs have provided a means of understanding the pathophysiology underlying virus-induced exacerbations of asthma and COPD with the goal of developing agents for their prevention and treatment.
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Affiliation(s)
- Alfred M Del Vecchio
- Janssen Research and Development, Immunology Clinical Research and Development, Welsh and McKean Roads, Spring House, PA 19477, USA
| | - Patrick J Branigan
- Janssen Research and Development, Immunology Clinical Research and Development, Welsh and McKean Roads, Spring House, PA 19477, USA
| | - Elliot S Barnathan
- Janssen Research and Development, Immunology Clinical Research and Development, Welsh and McKean Roads, Spring House, PA 19477, USA
| | - Susan K Flavin
- Janssen Research and Development, Immunology Clinical Research and Development, Welsh and McKean Roads, Spring House, PA 19477, USA
| | - Philip E Silkoff
- Janssen Research and Development, Immunology Clinical Research and Development, Welsh and McKean Roads, Spring House, PA 19477, USA.
| | - Ronald B Turner
- University of Virginia, School of Medicine, Charlottesville, VA 22908, USA
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24
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Sales JM, Smearman EL, Swartzendruber A, Brown JL, Brody G, DiClemente RJ. Socioeconomic-related risk and sexually transmitted infection among African-American adolescent females. J Adolesc Health 2014; 55:698-704. [PMID: 24974317 PMCID: PMC4209307 DOI: 10.1016/j.jadohealth.2014.05.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 05/12/2014] [Accepted: 05/13/2014] [Indexed: 11/17/2022]
Abstract
PURPOSE Virtually no studies have examined the potential role that chronic stress, particularly the stress associated with socioeconomic status (SES) strain, may play on sexually transmitted infection (STI) risk. This study examined the association between SES-related risk at baseline to STI acquisition and reinfection over 36 months of follow-up. METHODS Six hundred twenty-seven African-American female adolescents, ages 14-20 years, recruited from sexual health clinics in Atlanta, GA, participated in a randomized controlled HIV prevention trial and returned for at least one follow-up assessment. Following baseline assessment, six waves of data collection occurred prospectively over 36 months. Chronic SES-related risk was assessed as a sum of yes-no exposure to seven risk indicators. Laboratory-confirmed tests for Chlamydia trachomatis and Neisseria gonorrhoeae were performed at each follow-up. RESULTS In multivariable regression analysis, SES-related risk significantly predicted STI acquisition over 36 months (adjusted odds ratio = 1.22) and STI reinfection (adjusted odds ratio = 1.16) above and beyond other known correlates of STI. CONCLUSIONS Findings demonstrate that SES-related risk was predictive of both STI acquisition and reinfection among young African-American females. They are consistent with propositions that some health disparities observed in adulthood may be linked to earlier chronically stress-inducing life experiences, particularly experiences associated with low SES conditions. Although various explanations exist for the observed connection between SES-related risk and subsequent STI acquisition and/or reinfection across 36 months of follow-up, these findings highlight the need for further research to elucidate the exact pathway(s) by which SES-related risk influences later STI acquisition to refine STI prevention interventions for this population.
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Affiliation(s)
- Jessica M Sales
- Department of Behavioral Sciences and Health Education, Rollins School of Public Health at Emory University, Atlanta, Georgia; Center for AIDS Research, Social and Behavioral Sciences Core, Emory University, Atlanta, Georgia; Center for Contextual Genetics and Prevention Science, University of Georgia, Athens, Georgia.
| | - Erica L Smearman
- Department of Behavioral Sciences and Health Education, Rollins School of Public Health at Emory University, Atlanta, Georgia
| | - Andrea Swartzendruber
- Department of Behavioral Sciences and Health Education, Rollins School of Public Health at Emory University, Atlanta, Georgia; Center for AIDS Research, Social and Behavioral Sciences Core, Emory University, Atlanta, Georgia
| | - Jennifer L Brown
- Center for AIDS Research, Social and Behavioral Sciences Core, Emory University, Atlanta, Georgia; Department of Psychology, Texas Tech University, Lubbock, Texas
| | - Gene Brody
- Department of Behavioral Sciences and Health Education, Rollins School of Public Health at Emory University, Atlanta, Georgia; Center for AIDS Research, Social and Behavioral Sciences Core, Emory University, Atlanta, Georgia; Center for Contextual Genetics and Prevention Science, University of Georgia, Athens, Georgia
| | - Ralph J DiClemente
- Department of Behavioral Sciences and Health Education, Rollins School of Public Health at Emory University, Atlanta, Georgia; Center for AIDS Research, Social and Behavioral Sciences Core, Emory University, Atlanta, Georgia; Center for Contextual Genetics and Prevention Science, University of Georgia, Athens, Georgia
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25
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Hayney MS, Coe CL, Muller D, Obasi CN, Backonja U, Ewers T, Barrett B. Age and psychological influences on immune responses to trivalent inactivated influenza vaccine in the meditation or exercise for preventing acute respiratory infection (MEPARI) trial. Hum Vaccin Immunother 2013; 10:83-91. [PMID: 24096366 PMCID: PMC4181033 DOI: 10.4161/hv.26661] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Strategies to improve influenza vaccine protection among elderly individuals are an important research priority. Mindfulness-based stress reduction (MBSR) and exercise have been shown to affect aspects of immune function in some populations. We hypothesized that influenza vaccine responses may be enhanced with meditation or exercise training as compared with controls. RESULTS No differences in vaccine responses were found comparing control to MBSR or exercise. Individuals achieving seroprotective levels of influenza antibody ≥160 units had higher optimism, less anxiety, and lower perceived stress than the nonresponders. Age correlated with influenza antibody responses, but not with IFNγ or IL-10 production. CONCLUSION The MBSR and exercise training evaluated in this study failed to enhance immune responses to influenza vaccine. However, optimism, perceived stress, and anxiety were correlated in the expected directions with antibody responses to influenza vaccine. METHODS Healthy individuals≥50 y were randomly assigned to exercise (n=47) or MBSR (n=51) training or a waitlist control condition (n=51). Each participant received trivalent inactivated influenza vaccine after 6 weeks, and had blood draws prior to and 3 and 12 weeks after immunization. Serum influenza antibody, nasal immunoglobulin A, and peripheral blood mononuclear cell interferon-γ (IFNγ) and interleukin-10 (IL-10) concentrations were measured. Measures of optimism, perceived stress, and anxiety were obtained over the course of the study. Seroprotection was defined as an influenza antibody concentration≥160 units. Vaccine responses were compared using ANOVA, t tests, and Kruskal-Wallis tests. The correlation between vaccine responses and age was examined with the Pearson test.
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Affiliation(s)
- Mary S Hayney
- School of Pharmacy; University of Wisconsin-Madison; Madison, WI USA
| | - Christopher L Coe
- Harlow Center for Biological Psychology; University of Wisconsin-Madison; Madison, WI USA
| | - Daniel Muller
- Department of Medicine-Rheumatology Division; University of Wisconsin-Madison; School of Medicine and Public Health; Madison, WI USA
| | - Chidi N Obasi
- Department of Family Medicine; University of Wisconsin-Madison; School of Medicine and Public Health; Madison, WI USA
| | - Uba Backonja
- School of Nursing; University of Wisconsin-Madison; Madison, WI USA
| | - Tola Ewers
- Department of Family Medicine; University of Wisconsin-Madison; School of Medicine and Public Health; Madison, WI USA
| | - Bruce Barrett
- Department of Family Medicine; University of Wisconsin-Madison; School of Medicine and Public Health; Madison, WI USA
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26
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Randomized controlled trial of mindfulness meditation and exercise for the prevention of acute respiratory infection: possible mechanisms of action. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:952716. [PMID: 24191174 PMCID: PMC3804433 DOI: 10.1155/2013/952716] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 08/15/2013] [Accepted: 08/19/2013] [Indexed: 11/28/2022]
Abstract
Background. A randomized trial suggests that meditation and exercise may prevent acute respiratory infection (ARI). This paper explores potential mediating mechanisms. Methods. Community-recruited adults were randomly assigned to three nonblinded arms: 8-week mindfulness-based stress reduction (N = 51), moderate-intensity exercise (N = 51), or wait-list control (N = 52). Primary outcomes were ARI illness burden (validated Wisconsin Upper Respiratory Symptom Survey). Potential mediators included self-reported psychophysical health and exercise intensity (baseline, 9 weeks, and 3 months). A Baron and Kenny approach-based mediational analysis model, adjusted for group status, age, and gender, evaluated the relationship between the primary outcome and a potential mediator using zero-inflated modeling and Sobel testing. Results. Of 154 randomized, 149 completed the trial (51, 47, and 51 in meditation, exercise, and control groups) and were analyzed (82% female, 94% Caucasian, 59.3 ± SD 6.6 years old). Mediational analyses suggested that improved mindfulness (Mindful Attention Awareness Scale) at 3 months may mediate intervention effects on ARI severity and duration (P < 0.05); 1 point increase in the mindfulness score corresponded to a shortened ARI duration by 7.2–9.6 hours. Conclusions. Meditation and exercise may decrease the ARI illness burden through increased mindfulness. These preliminary findings need confirmation, if confirmed, they would have important policy and clinical implications. This trial registration was Clinicaltrials.gov: NCT01057771.
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Kok BE, Waugh CE, Fredrickson BL. Meditation and Health: The Search for Mechanisms of Action. SOCIAL AND PERSONALITY PSYCHOLOGY COMPASS 2013. [DOI: 10.1111/spc3.12006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
The study of well-being is hampered by the multiplicity of approaches, but focusing on a single approach begs the question of what “well-being” really is. We analyze how well-being is defined according to the three main kinds of theories: “Liking” approaches (generally adopted by psychologists), “Wanting” approaches (predominant among economists), and “Needing” approaches (used in both public policy and psychology). We propose an integrative framework, the engine model of well-being, drawing on Seligman (Seligman, M. E. P., 2011 , Flourish. New York, NY: The Free Press) and Sen's (Sen, A. K., 1999 , Development as freedom. Oxford, England: Oxford University Press) emphasis on the plurality of this construct by distinguishing among (a) inputs (resources that enable well-being), (b) processes (internal states of mechanisms influencing well-being), and (c) outcomes (the intrinsically valuable behaviors that reflect the attainment of well-being). We discuss implications for research, measurement, and interventions.
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Kalil JA, Halperin SA, Langley JM. Human challenge studies: a review of adequacy of reporting methods and results. Future Microbiol 2012; 7:481-95. [PMID: 22439725 DOI: 10.2217/fmb.12.15] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Since the 1940s, researchers have purposefully infected healthy adult humans with pathogenic organisms to study how these pathogens cause disease and can be treated and prevented. 'Challenge studies' can be safe, ethical, extremely informative and an efficient use of resources during the clinical development of vaccines, but knowledge of this form of clinical research trial is not widespread. A review of the human challenge literature was performed to determine whether common elements of challenge studies can be identified in the articles published to date. The review demonstrated incomplete reporting of study characteristics deemed necessary for the correct interpretation and application of human challenge study results and for the accurate replication of study methodology. An unofficial extension of the Consolidated Standards of Reporting Trials (CONSORT) statement is proposed.
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Affiliation(s)
- Jennifer A Kalil
- Canadian Center for Vaccinology, Sanofi Pasteur Vaccine Challenge Unit, Dalhousie University & IWK Health Centre, Halifax, Nova Scotia, Canada
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Barrett B, Hayney MS, Muller D, Rakel D, Ward A, Obasi CN, Brown R, Zhang Z, Zgierska A, Gern J, West R, Ewers T, Barlow S, Gassman M, Coe CL. Meditation or exercise for preventing acute respiratory infection: a randomized controlled trial. Ann Fam Med 2012; 10:337-46. [PMID: 22778122 PMCID: PMC3392293 DOI: 10.1370/afm.1376] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2011] [Revised: 11/11/2011] [Accepted: 12/19/2011] [Indexed: 02/04/2023] Open
Abstract
PURPOSE This study was designed to evaluate potential preventive effects of meditation or exercise on incidence, duration, and severity of acute respiratory infection (ARI) illness. METHODS Community-recruited adults aged 50 years and older were randomized to 1 of 3 study groups: 8-week training in mindfulness meditation, matched 8-week training in moderate-intensity sustained exercise, or observational control. The primary outcome was area-under-the-curve global illness severity during a single cold and influenza season, using the Wisconsin Upper Respiratory Symptom Survey (WURSS-24) to assess severity. Health care visits and days of missed work were counted. Nasal wash collected during ARI illness was assayed for neutrophils, interleukin-8, and viral nucleic acid. RESULTS Of 154 adults randomized into the study, 149 completed the trial (82% female, 94% white, mean age 59.3 ± 6.6 years). There were 27 ARI episodes and 257 days of ARI illness in the meditation group (n = 51), 26 episodes and 241 illness days in the exercise group (n = 47), and 40 episodes and 453 days in the control group (n = 51). Mean global severity was 144 for meditation, 248 for exercise, and 358 for control. Compared with control, global severity was significantly lower for meditation (P = .004). Both global severity and total days of illness (duration) trended toward being lower for the exercise group (P=.16 and P=.032, respectively), as did illness duration for the meditation group (P=.034). Adjusting for covariates using zero-inflated multivariate regression models gave similar results. There were 67 ARI-related days of-work missed in the control group, 32 in the exercise group (P = .041), and 16 in the meditation group (P <.001). Health care visits did not differ significantly. Viruses were identified in 54% of samples from meditation, 42% from exercise, and 54% from control groups. Neutrophil count and interleukin-8 levels were similar among intervention groups. CONCLUSIONS Training in meditation or exercise may be effective in reducing ARI illness burden.
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Affiliation(s)
- Bruce Barrett
- Department of Family Medicine, University of Wisconsin - Madison, 1100 Delaplaine Ct, Madison, WI 53715, USA.
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Associations Between Positive and Negative Affect and 12-Month Physical Disorders in a National Sample. J Clin Psychol Med Settings 2012; 19:197-210. [DOI: 10.1007/s10880-011-9277-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
OBJECTIVE To determine whether parenthood predicts host resistance to the common cold among healthy volunteers experimentally exposed to a common cold virus. METHODS Participants were 795 healthy volunteers (age range = 18-55 years) enrolled in one of three viral-challenge studies conducted from 1993 to 2004. After reporting parenthood status, participants were quarantined, administered nasal drops containing one of four common cold viruses, and monitored for the development of a clinical cold (infection in the presence of objective signs of illness) on the day before and for 5 to 6 days after exposure. All analyses included controls for immunity to the experimental virus (prechallenge specific antibody titers), viral strain, season, age, sex, race/ethnicity, marital status, body mass, study, employment status, and education. RESULTS Parents were less likely to develop colds than nonparents were (odds ratio [OR] = 0.48, 95% confidence interval [CI] = 0.31-0.73). This was true for both parents with one to two children (OR = 0.52, 95% CI = 0.33-0.83) and three or more children (OR = 0.39, 95% CI = 0.22-0.70). Parenthood was associated with a decreased risk of colds for both those with at least one child living at home (OR = 0.46, 95% CI = 0.24-0.87) and those whose children all lived away from home (OR = 0.27, 95% CI = 0.12-0.60). The relationship between parenthood and colds was not observed in parents aged 18 to 24 years but was pronounced among older parents. CONCLUSIONS Parenthood was associated with greater host resistance to common cold viruses.
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Affiliation(s)
- Rodlescia S. Sneed
- Department of Psychology, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213, Phone: (305) 785-9536, Fax: (412) 268-2798
| | - Sheldon Cohen
- Department of Psychology, Carnegie Mellon University
| | - Ronald B. Turner
- Department of Pediatrics, University of Virginia Health Science Center
| | - William J. Doyle
- Department of Otolaryngology, Children’s Hospital of Pittsburgh and the University of Pittsburgh School of Medicine
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Abstract
AbstractThe concepts of allostatic load and allostatic processes can help psychologists understand how health trajectories are influenced by stressful childhood experiences in the family. This paper describes psychological pathways and two key allostatic mediators, the hypothalamic–pituitary–adrenal axis and the immune system, through which stressful early rearing conditions may influence adult mental and physical health. The action of meshed gears is introduced as a metaphor to illustrate how responses occurring within a brief time frame, for example, immediate reactions to stressors, can influence developmental and health processes unfolding over much longer spans of time. We identify early-developing psychological and biological response patterns that could link chronic stressors in childhood to later health outcomes. Some of these “precursor outcomes” (e.g., heightened vigilance and preparedness for threats; enhanced inflammatory and humoral responses to infectious microorganisms) appear to be aimed at protection from immediate dangers; they may reflect “adaptive trade-offs” that balance short-term survival advantages under harsh rearing conditions against disadvantages manifested later in development. Our analysis also suggests mechanisms that underlie resilience in risky family environments.
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Chapman BP, van Wingaarden E, Seplaki CL, Talbot N, Duberstein P, Moynihan J. Openness and conscientiousness predict 34-week patterns of Interleukin-6 in older persons. Brain Behav Immun 2011; 25:667-73. [PMID: 21241793 PMCID: PMC3358819 DOI: 10.1016/j.bbi.2011.01.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Revised: 12/20/2010] [Accepted: 01/10/2011] [Indexed: 11/25/2022] Open
Abstract
Studies have indicated that personality may be associated with inflammatory markers such as Interleukin (IL)-6. One pathway between personality and IL-6 may be health behaviors and conditions resulting in inflammation, while an alternate pathway involves activation of stress-response systems. In a clinical trial sample of 200 older adults, we examined associations between personality traits at baseline and three measures of IL-6 spanning 34 weeks of follow-up. Results indicate that IL-6 remained very stable over time, and that higher Conscientiousness and Openness were associated with lower IL-6 across the entire 34 week period. Goal striving was the active subcomponent of Conscientiousness, while aesthetic interests was the active subcomponent of Openness in IL-6 associations. Common health behaviors and chronic illness accounted for only a portion of these effects, suggesting that other behavioral and/or physiological processes may also predispose some persons to inflammation. Personality phenotype may provide useful prognostic information for inflammation. Older adults lower in Conscientiousness and Openness constitute a target population for anti-inflammatory interventions. Openness and Conscientiousness predicts 32-week patterns of Interleukin-6 in older persons.
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Affiliation(s)
- Benjamin P. Chapman
- Center for Mind-Body Research, Department of Psychiatry, University of Rochester Medical Center
| | - Edwin van Wingaarden
- Department of Community and Preventive Medicine, University of Rochester Medical Center
| | | | - Nancy Talbot
- Center for Mind-Body Research, Department of Psychiatry, University of Rochester Medical Center
| | - Paul Duberstein
- Center for Mind-Body Research, Department of Psychiatry, University of Rochester Medical Center
| | - Jan Moynihan
- Center for Mind-Body Research, Department of Psychiatry, University of Rochester Medical Center
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Abstract
In the past 40 years, a growing body of literature has shown that chronic psychological stress can lead to immune dysregulation. Notably, these stress-induced immune changes are large enough to be clinically relevant. Chronic stress has been associated with a state of chronic low-grade inflammation, delayed wound healing, poor responses to vaccine, and increased susceptibility to infectious illnesses. Activation of neuroendocrine and sympathetic systems provides physiological pathways linking stress and these immune outcomes. Behavioral changes under conditions of chronic stress also contribute to immune dysregulation. Behavioral and pharmacological interventions may attenuate stress-induced immune dysregulation.
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Affiliation(s)
- Jean-Philippe Gouin
- Department of Behavioral Sciences, Rush University Medical Center, Chicago, Illinois
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Deverts DJ, Cohen S, DiLillo VG, Lewis CE, Kiefe C, Whooley M, Matthews KA. Depressive symptoms, race, and circulating C-reactive protein: the Coronary Artery Risk Development in Young Adults (CARDIA) study. Psychosom Med 2010; 72:734-41. [PMID: 20668285 PMCID: PMC3037796 DOI: 10.1097/psy.0b013e3181ec4b98] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To examine the prospective association of depressive symptoms with circulating C-reactive protein (CRP) and to determine the direction of that association. METHODS Using data from 2,544 healthy participants in the Coronary Artery Risk Development in Young Adults study (ages, 33-45 years; 55% female; 42% black), we examined the prospective association of depressive symptoms, as measured by the Centers for Epidemiologic Studies Depression Scale, with circulating CRP 5 years later. RESULTS Depressive symptoms in the Coronary Artery Risk Development in Young Adults study Year 15 predicted CRP at Year 20, independent of demographic characteristics, biological and medical risk factors, health behaviors, and Year 15 CRP. This association, however, was conditional on race such that the increase in CRP with increasing depressive symptoms was present in blacks but not whites. In neither blacks nor whites did Year 15 CRP predict Year 20 depressive symptoms. Among black participants, when examined in separate analyses, higher scores on the depressed affect and somatic symptoms subscales of the Centers for Epidemiologic Studies Depression Scale and lower scores on the positive affect subscale were associated with greater Year 20 CRP. The interpersonal problems subscale was unrelated to CRP. When all four subscale scores were entered simultaneously in the same model, black participants' scores on the positive affect and somatic symptoms subscales emerged as independent predictors of Year 20 CRP, whereas the depressed affect and interpersonal problems subscales did not. CONCLUSIONS Depressive symptoms may be linked more closely to inflammation in blacks than in whites.
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Affiliation(s)
- Denise Janicki Deverts
- Psychology Department, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213, USA.
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Trivella DBB, Ferreira-Júnior JR, Dumoutier L, Renauld JC, Polikarpov I. Structure and function of interleukin-22 and other members of the interleukin-10 family. Cell Mol Life Sci 2010; 67:2909-35. [PMID: 20454917 PMCID: PMC11115847 DOI: 10.1007/s00018-010-0380-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2009] [Revised: 04/19/2010] [Accepted: 04/20/2010] [Indexed: 12/30/2022]
Abstract
The IL-10 family of cytokines is comprised of IL-10, IL-19, IL-20, IL-22, IL-24, IL-26, and IFN-lambdas (IL-28A, IL-28B, and IL-29). The IL-10 family members bind to shared class II cytokine receptor chains that associate in various combinations in heterodimeric complexes. Upon interleukin/receptor complex formation, these proteins switch on the Jak/STAT pathway and elicit pleiotropic biological responses whose variety sharply contrasts with their structural similarities. IL-10 family members are involved in several human diseases and health conditions and hence their structural analyses may provide valuable information to design specific therapeutic strategies. In this review, we describe the human interleukin-10 family of cytokines, focusing on their structures and functions, with particular attention given to IL-22 and IL-10. We report on the recently published structures of IL-10 cytokine family members and their complexes with cognate transmembrane and soluble receptors as well as on interleukin physiology and physiopathology.
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Affiliation(s)
- Daniela Barretto Barbosa Trivella
- Instituto de Física de São Carlos, Universidade de São Paulo, Avenida Trabalhador São Carlense 400, São Carlos, SP CEP 13566-590 Brazil
| | - José Ribamar Ferreira-Júnior
- Escola de Artes, Ciências e Humanidades, Universidade de São Paulo, Avenida Arlindo Béttio, 1000, Ermelino Matarazzo, São Paulo, SP CEP 03828-000 Brazil
| | - Laure Dumoutier
- Ludwig Institute for Cancer Research, Brussels Branch, Brussels, Belgium
- Experimental Medicine Unit, Christian de Duve Institute, Universite’ Catholique de Louvain, Brussels, Belgium
| | - Jean-Christophe Renauld
- Ludwig Institute for Cancer Research, Brussels Branch, Brussels, Belgium
- Experimental Medicine Unit, Christian de Duve Institute, Universite’ Catholique de Louvain, Brussels, Belgium
| | - Igor Polikarpov
- Instituto de Física de São Carlos, Universidade de São Paulo, Avenida Trabalhador São Carlense 400, São Carlos, SP CEP 13566-590 Brazil
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Sutin AR, Terracciano A, Deiana B, Naitza S, Ferrucci L, Uda M, Schlessinger D, Costa PT. High neuroticism and low conscientiousness are associated with interleukin-6. Psychol Med 2010; 40:1485-1493. [PMID: 19995479 PMCID: PMC2933046 DOI: 10.1017/s0033291709992029] [Citation(s) in RCA: 159] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND High Neuroticism and low Conscientiousness are frequently implicated in health-risk behaviors, such as smoking and overeating, as well as health outcomes, including mortality. Their associations with physiological markers of morbidity and mortality, such as inflammation, are less well documented. The present research examines the association between the five major dimensions of personality and interleukin-6 (IL-6), a pro-inflammatory cytokine often elevated in patients with chronic morbidity and frailty. METHOD A population-based sample (n=4923) from four towns in Sardinia, Italy, had their levels of IL-6 measured and completed a comprehensive personality questionnaire, the NEO-PI-R. Analyses controlled for factors known to have an effect on IL-6: age; sex; smoking; weight; aspirin use; disease burden. RESULTS High Neuroticism and low Conscientiousness were both associated with higher levels of IL-6. The findings remained significant after controlling for the relevant covariates. Similar results were found for C-reactive protein, a related marker of chronic inflammation. Further, smoking and weight partially mediated the association between impulsivity-related traits and higher IL-6 levels. Finally, logistic regressions revealed that participants either in the top 10% of the distribution of Neuroticism or the bottom 10% of conscientiousness had an approximately 40% greater risk of exceeding clinically relevant thresholds of IL-6. CONCLUSIONS Consistent with the literature on personality and self-reported health, individuals high on Neuroticism or low on Conscientiousness show elevated levels of this inflammatory cytokine. Identifying critical medical biomarkers associated with personality may help to elucidate the physiological mechanisms responsible for the observed connections between personality traits and physical health.
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Affiliation(s)
- A R Sutin
- National Institute on Aging, NIH, DHHS, Baltimore, MD 21224, USA.
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Abstract
OBJECTIVE Our principal objective was to determine whether psychosocial stress raises the risk of HIV infection among gay and bisexual men. If so, we also aimed to evaluate the evidence for the underlying mechanism, specifically whether stress has an intermediate effect on sexual risk behaviour or an independent, cofactor effect. METHODS Participants were recruited through the provincial HIV diagnostic laboratory, physicians and community organizations in Ontario, Canada, 1998-2006. Confirmed recent seroconverters (n = 123 cases) were asked about stressful life events and behaviour during the likely period of infection (median 8, range 3-33 months). HIV-negative controls (n = 240) were asked about an equivalent time period. We used logistic regression to estimate odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS Cases reported more stressful life events (median = 3, 33% 5 or more) than controls (median = 2, 20% 5 or more). Compared to men who reported no events, risk of HIV infection increased with the number of events, to a 2.5-fold increase in risk among men reporting 5 or more (95% CI 1.3, 4.7). The association weakened when adjusted for sexual risk behaviour (OR = 1.7, 95% CI 0.82, 3.6) and when restricted to men who engaged in unprotected receptive anal sex with an HIV-positive or status unknown partner (OR = 1.3, 95% CI 0.50, 3.6). CONCLUSIONS Gay and bisexual men experiencing stressful life events were at increased risk of HIV infection. This effect was mediated by sexual risk behaviour. We recommend that coping strategies in response to stress be considered in prevention research and health policy.
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Look on the bright side: do the benefits of optimism depend on the social nature of the stressor? J Behav Med 2010; 33:399-414. [DOI: 10.1007/s10865-010-9268-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2009] [Accepted: 05/31/2010] [Indexed: 10/19/2022]
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Doyle WJ, Casselbrant ML, Li-Korotky HS, Doyle APC, Lo CY, Turner R, Cohen S. The interleukin 6 -174 C/C genotype predicts greater rhinovirus illness. J Infect Dis 2010; 201:199-206. [PMID: 20001857 PMCID: PMC2943745 DOI: 10.1086/649559] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Background. In adults and children with respiratory syncytial virus (RSV) infection, a polymorphism in the interleukin 6 (IL-6) promoter at position −174 predicts illness magnitude. In addition, polymorphisms in the interleukin 10 (IL-10), tumor necrosis factor α (TNF-α), and interferon γ (IFN-γ) genes are associated with immune responsiveness and the frequency of complications. Here, the effect of these polymorphisms on illness and seroconversion during infection with rhinovirus type 39 (RV39) was evaluated. Methods. Seventy-two adults were genotyped for the selected polymorphisms, experimentally exposed to RV39, and followed to track infection, seroconversion, and symptoms and signs of illness. Regression analysis was used to determine whether these polymorphisms predicted seroconversion and illness magnitude in 57 infected subjects. Results. The low-production IL-6 −174 phenotype (C/C genotype) was associated with greater symptom magnitudes, and the IFN-γ phenotype +874 predicted the frequency of seroconversion. No relationship between the IL-10 or TNF-α polymorphisms and any measured outcome was documented. The concentration of IL-6 protein, as measured in nasal wash fluids from subjects, was positively correlated with symptom magnitude, but it was independent of the IL-6 −174 genotypes representing the high- and low-production phenotypes. Conclusions. These results document statistically significant associations between the IL-6 −174 and IFN-gγpolymorphisms and specific responses to experimental RV39 infection. For the IL-6 −174 polymorphism, the results replicate those for experimental RSV infection.
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Affiliation(s)
- William J Doyle
- Department of Otolaryngology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
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Sepah SC, Bower JE. Positive affect and inflammation during radiation treatment for breast and prostate cancer. Brain Behav Immun 2009; 23:1068-72. [PMID: 19559785 PMCID: PMC2908236 DOI: 10.1016/j.bbi.2009.06.149] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2009] [Revised: 06/18/2009] [Accepted: 06/18/2009] [Indexed: 10/20/2022] Open
Abstract
There is growing evidence that positive affect may influence health and immune function, although few studies have examined links between positive affect and immune processes in clinical populations. The purpose of this study was to examine whether positive affect is associated with changes in proinflammatory cytokines in cancer patients undergoing radiation treatment. Subjects were 50 individuals with early-stage breast and prostate cancer who completed psychosocial questionnaires and provided blood samples at seven time points before, during, and after radiation treatment. Positive affect was assessed before treatment onset using the CES-D (Center for Epidemiological Studies Depression Scale). Blood samples were assayed for serum levels of proinflammatory cytokines IL-1beta and IL-6. Patients with higher levels of positive affect before treatment exhibited higher mean levels of IL-1beta and IL-6 during radiation treatment (all ps<.05). Results suggest that positive affect enhances the acute inflammatory response to radiation treatment, perhaps facilitating tissue repair processes.
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Affiliation(s)
- Saviz C. Sepah
- Department of Psychology, University of California, Los Angeles, USA,Corresponding author. Address: UCLA Department of Clinical Psychology, Box 951563, 1225 Franz Hall, Los Angeles, CA 90095-1563, USA. , (S.C. Sepah)
| | - Julienne E. Bower
- Department of Psychology, University of California, Los Angeles, USA, Cousins Center for Psychoneuroimmunology, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, USA, Department of Psychiatry & Biobehavioral Sciences, University of California, Los Angeles, USA, Division of Cancer Prevention and Control Research, Jonsson Comprehensive Cancer Center, University of California, Los Angeles, USA
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Matsunaga M, Isowa T, Murakami H, Kasugai K, Yoneda M, Kaneko H, Ohira H. Association of polymorphism in the human mu-opioid receptor OPRM1 gene with proinflammatory cytokine levels and health perception. Brain Behav Immun 2009; 23:931-5. [PMID: 19341791 DOI: 10.1016/j.bbi.2009.03.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2009] [Revised: 03/17/2009] [Accepted: 03/25/2009] [Indexed: 12/11/2022] Open
Abstract
Recent studies in psychoneuroimmunology have indicated that proinflammatory cytokines cause several diseases and behaviors that overlap symptomatically with depression. It is known that the endogenous opioid peptide beta-endorphin regulates proinflammatory cytokine secretion from peripheral immune cells via mu-opioid receptor-dependent mechanisms. Therefore, it is possible that the functional polymorphism of the mu-opioid receptor gene (OPRM1, SNP: A118G) influences peripheral circulating proinflammatory cytokine levels and the health-related quality of life (QOL) even in healthy populations. In this study, we compared the serum concentrations of several proinflammatory cytokines (interleukin-2 (IL-2), interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-alpha), and interferon-gamma (IFN-gamma)) and the health-related QOL between OPRM1 genotypes. Interestingly, serum concentrations of IL-6, TNF-alpha, and IFN-gamma were significantly lower and the general health score was significantly higher in carriers of the G allele, who show a strong binding of beta-endorphin to the mu-opioid receptor as compared to individuals without the G allele. Correlation analysis indicated that the general health score was negatively correlated with the IL-6 serum concentration. These results suggest that the sensitive endogenous opioid system in carriers of the G allele may suppress proinflammatory cytokine secretion from peripheral immune cells; consequently, it may influence the health perception.
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Affiliation(s)
- Masahiro Matsunaga
- Department of Neurology Psychosomatic Medicine, Ban Buntane Hotokukai Hospital, School of Medicine, Fujita Health University, Aichi 454-8509, Japan.
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Brydon L, Walker C, Wawrzyniak AJ, Chart H, Steptoe A. Dispositional optimism and stress-induced changes in immunity and negative mood. Brain Behav Immun 2009; 23:810-6. [PMID: 19272441 PMCID: PMC2715885 DOI: 10.1016/j.bbi.2009.02.018] [Citation(s) in RCA: 93] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2008] [Revised: 02/16/2009] [Accepted: 02/27/2009] [Indexed: 01/13/2023] Open
Abstract
Evidence suggests that optimism may be protective for health during times of heightened stress, yet the mechanisms involved remain unclear. In a double-blind placebo-controlled study, we recently showed that acute psychological stress and an immune stimulus (Typhim-Vi typhoid vaccine) synergistically increased serum levels of interleukin-6 (IL-6) and negative mood in 59 healthy men. Here we carried out further analysis of this sample to investigate the relationship between dispositional optimism and stress-induced changes in immunity and mood. Volunteers were randomly assigned to one of four experimental conditions in which they received either typhoid vaccine or saline placebo, and then rested or completed two mental tasks. In the stress condition, optimism was inversely related to IL-6 responses, independent of age, BMI, trait CES-D depression and baseline IL-6. This relationship was present across both stress groups (combining vaccine and placebo) and was not present in the vaccine/stress group alone, suggesting that optimism protects against the inflammatory effects of stress rather than vaccine per se. Typhoid vaccine induced a significant increase in participants' circulating anti-Vi antibody levels. Stress had no effect on antibody responses overall. However, in the vaccine/stress group, there was a strong positive association between optimism and antibody responses, indicating that stress accentuated the antibody response to vaccine in optimists. Across the complete sample, more optimistic individuals had smaller increases in negative mood and less reduction in mental vigour. Together these findings suggest that optimism may promote health, by counteracting stress-induced increases in inflammation and boosting the adjuvant effects of acute stress.
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Affiliation(s)
- Lena Brydon
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London, UK.
| | - Cicely Walker
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK
| | - Andrew J. Wawrzyniak
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK
| | - Henrik Chart
- Laboratory of Enteric Pathogens, Department of Gastrointestinal Infections, Centre for Infections, Health Protection Agency, 61 Colindale Avenue, London NW9 5EQ, UK
| | - Andrew Steptoe
- Psychobiology Group, Department of Epidemiology and Public Health, University College London, 1-19 Torrington Place, London WC1E 6BT, UK
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Fredrickson BL, Cohn MA, Coffey KA, Pek J, Finkel SM. Open hearts build lives: positive emotions, induced through loving-kindness meditation, build consequential personal resources. J Pers Soc Psychol 2009; 95:1045-1062. [PMID: 18954193 DOI: 10.1037/a0013262] [Citation(s) in RCA: 820] [Impact Index Per Article: 54.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
B. L. Fredrickson's (1998, 2001) broaden-and-build theory of positive emotions asserts that people's daily experiences of positive emotions compound over time to build a variety of consequential personal resources. The authors tested this build hypothesis in a field experiment with working adults (n = 139), half of whom were randomly-assigned to begin a practice of loving-kindness meditation. Results showed that this meditation practice produced increases over time in daily experiences of positive emotions, which, in turn, produced increases in a wide range of personal resources (e.g., increased mindfulness, purpose in life, social support, decreased illness symptoms). In turn, these increments in personal resources predicted increased life satisfaction and reduced depressive symptoms. Discussion centers on how positive emotions are the mechanism of change for the type of mind-training practice studied here and how loving-kindness meditation is an intervention strategy that produces positive emotions in a way that outpaces the hedonic treadmill effect.
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Affiliation(s)
| | | | - Kimberly A Coffey
- Department of Psychology, University of North Carolina at Chapel Hill
| | - Jolynn Pek
- Department of Psychology, University of North Carolina at Chapel Hill
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Aiello AE, Kaplan GA. Socioeconomic position and inflammatory and immune biomarkers of cardiovascular disease: applications to the Panel Study of Income Dynamics. BIODEMOGRAPHY AND SOCIAL BIOLOGY 2009; 55:178-205. [PMID: 20183904 PMCID: PMC3319671 DOI: 10.1080/19485560903382304] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Biomarkers are an important aspect of research linking psychosocial stress and health. This article aims to characterize the biological pathways that may mediate the relationship between socioeconomic position (SEP) and cardiovascular disease (CVD) and address opportunities for further research within the Panel Study of Income Dynamics (PSID), with a focus on psychosocial stressors related to SEP. We review the literature on CVD biomarkers, including adhesion and proinflammatory molecules (interleukin-6, other cytokines, C-reactive proteins, fibrinogen, etc.) and microbial pathogens. The impact of socioeconomic determinants and related psychosocial stressors on CVD biomarkers mediated by behavioral and central nervous system pathways are described. We also address measurement and feasibility issues, including specimen collection methods, processing and storage procedures, laboratory error, and within-person variability. In conclusion, we suggest that PSID consider adding important assessments of specific CVD biomarkers and mediating behavioral measures, health, and medications that will ultimately address many of the gaps in the literature regarding the relationship between SEP and cardiovascular health.
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Affiliation(s)
- Allison E Aiello
- Department of Epidemiology, Center for Social Epidemiology and Population Health, University of Michigan, School of Public Health, Ann Arbor, Michigan, USA.
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47
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Matsunaga M, Yamauchi T, Nogimori T, Konagaya T, Ohira H. Psychological and physiological responses accompanying positive emotions elicited on seeing favorite persons. JOURNAL OF POSITIVE PSYCHOLOGY 2008. [DOI: 10.1080/17439760801999560] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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48
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Matsunaga M, Isowa T, Kimura K, Miyakoshi M, Kanayama N, Murakami H, Sato S, Konagaya T, Nogimori T, Fukuyama S, Shinoda J, Yamada J, Ohira H. Associations among central nervous, endocrine, and immune activities when positive emotions are elicited by looking at a favorite person. Brain Behav Immun 2008; 22:408-17. [PMID: 17977695 DOI: 10.1016/j.bbi.2007.09.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2007] [Revised: 09/14/2007] [Accepted: 09/21/2007] [Indexed: 10/22/2022] Open
Abstract
Recent studies on psychoneuroimmunology have indicated that positive psychological events are related to immune functions; however, limited information is available regarding associations among the central nervous, endocrine, and immune systems when positive emotions are elicited. In the present study, we demonstrated associations among these systems by simultaneously recording brain, endocrine, and immune activities when positive emotions were evoked in participants as they watched films featuring their favorite persons. Interestingly, the activity of peripheral circulating natural killer cells and the peripheral dopamine level were elevated while participants experienced positive emotions, and these values were positively correlated. The following brain regions were significantly activated in the positive condition relative to the control condition: medial prefrontal cortex, thalamus, hypothalamus, subcallosal gyrus, posterior cingulate cortex, superior temporal gyrus, and cerebellum. Further, covariate analyses indicated that these brain regions were temporally associated with endocrine and immune activities. These results suggest that while an individual experiences positive emotions, the central nervous, endocrine, and immune systems may be interrelated and attraction for favorite persons may be associated with the activation of the innate immune function via the dopaminergic system.
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Affiliation(s)
- Masahiro Matsunaga
- Department of Psychology, Graduate School of Environmental Studies, Nagoya University, Aichi, Japan.
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Prather AA, Marsland AL, Muldoon MF, Manuck SB. Positive affective style covaries with stimulated IL-6 and IL-10 production in a middle-aged community sample. Brain Behav Immun 2007; 21:1033-7. [PMID: 17548183 PMCID: PMC2692326 DOI: 10.1016/j.bbi.2007.04.009] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2007] [Revised: 04/14/2007] [Accepted: 04/27/2007] [Indexed: 11/21/2022] Open
Abstract
An emerging literature indicates that dispositional positive affect (PA) may play a protective role in health and render individuals less susceptible to inflammatory diseases. In this regard, it has been suggested that PA is associated with diminished activation of innate immune pathways. To explore this possibility, we examined relationships between trait positive emotional style, as assessed by the Positive and Negative Affect Schedule, and monocyte-derived lipopolysaccharide-induced production of the pro- and anti-inflammatory cytokines, interleukin (IL)-6, IL-1beta, TNF-alpha, and IL-10, among 146 healthy adults aged 30-54. After controlling for demographic factors and other covariates (age, gender, race, body mass index and white blood cell count), hierarchical regression analyses revealed an inverse association between trait PA and stimulated production of IL-6 (DeltaR(2)=.03, b=-.18, p <.04) and IL-10 (DeltaR(2)=.09; b =-.32, p <.01), with the latter association obtained only in men. No association was observed between trait PA and stimulated IL-1beta or TNF-alpha. Additionally, trait negative affect was unrelated to any of the stimulated cytokine levels. These initial findings suggest that individuals higher in trait positive emotional style show decreased in vitro production of the early inflammatory mediators IL-6 and IL-10 in response to stimulation with endotoxin which may confer protection against the emergence and progression of inflammatory diseases. Further exploration of this potential psychophysiological pathway is warranted.
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Affiliation(s)
- Aric A Prather
- Behavioral Immunology Laboratory, Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15260, USA.
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Marsland AL, Gianaros PJ, Prather AA, Jennings JR, Neumann SA, Manuck SB. Stimulated production of proinflammatory cytokines covaries inversely with heart rate variability. Psychosom Med 2007; 69:709-16. [PMID: 17942840 DOI: 10.1097/psy.0b013e3181576118] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To examine whether high-frequency heart rate variability, an indirect measure of parasympathetic (vagal) control over variations in heart rate, is associated with immune reactivity to an in vitro inflammatory challenge. Convergent evidence from the animal literature shows that the autonomic nervous system plays a key role in regulating the magnitude of immune responses to inflammatory stimuli. Signaling by the parasympathetic system inhibits the production of proinflammatory cytokines by activated monocytes/macrophages and thus decreases local and systemic inflammation. As yet, no direct human evidence links parasympathetic activity to inflammatory competence. METHODS We examined the relationship of variations in heart rate, recorded during paced respiration, to lipopolysaccharide-induced production of the inflammatory cytokines interleukin (IL)-1beta, IL-6, tumor necrosis factor (TNF)-alpha, and IL-10 among a community sample of 183 healthy adults (mean age = 45 years; 59% male; 92% White, 7% African-American). RESULTS Consistent with animal findings, higher derived estimates of vagal activity measured during paced respiration were associated with lower production of the proinflammatory cytokines TNF-alpha and IL-6 (r = -.18 to -.30), but were not related to production of the anti-inflammatory cytokine IL-10. These associations persisted after controlling for demographic and health characteristics, including age, gender, race, years of education, smoking, hypertension, and white blood cell count. CONCLUSIONS These data provide initial human evidence that vagal activity is inversely related to inflammatory competence, raising the possibility that vagal regulation of immune reactivity may represent a pathway linking psychosocial factors to risk for inflammatory disease.
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Affiliation(s)
- Anna L Marsland
- Behavioral Immunology Laboratory, Department of Psychology, University of Pittsburgh, Pittsburgh, PA 15260, USA.
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