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Quade L, Králík M, Bencúrová P, Dunn EC. Cortisol in deciduous tooth tissues: A potential metric for assessing stress exposure in archaeological and living populations. INTERNATIONAL JOURNAL OF PALEOPATHOLOGY 2023; 43:1-6. [PMID: 37639895 PMCID: PMC10840740 DOI: 10.1016/j.ijpp.2023.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 07/17/2023] [Accepted: 08/02/2023] [Indexed: 08/31/2023]
Abstract
OBJECTIVE Cortisol is a glucocorticoid hormone produced by the hypothalamic-pituitary-adrenal axis that is regularly assessed in modern human and non-human populations in saliva, blood, and hair as a measure of stress exposure and stress reactivity. While recent research has detected cortisol concentrations in modern and archaeological permanent dental tissues, the present study assessed human primary (deciduous) teeth for cortisol concentrations. MATERIALS AND METHODS Fifty-one dentine and enamel samples from nine modern and 10 archaeological deciduous teeth were analyzed for cortisol concentrations via enzyme-linked immunosorbent assay (ELISA). RESULTS Detectable concentrations of cortisol were identified in 15 (of 32) dentine and 8 (of 19) enamel samples coming from modern and archaeological deciduous teeth. CONCLUSIONS This study is the first known analysis of cortisol from deciduous dental tissues, demonstrating the potential to identify measurable concentrations. SIGNIFICANCE The ability to analyze deciduous teeth is integral to developing dental cortisol methods with multiple potential future applications, including research on the biological embedding of stress in the skeleton. This study marks a key step in a larger research program to study stress in primary dentition from living and archaeological populations. LIMITATIONS Multiple samples generated cortisol values that were not detectable with ELISA. Minimum quantities of tissue may be required to generate detectable levels of cortisol. SUGGESTIONS FOR FURTHER RESEARCH Future research should include larger sample sizes and consideration of intrinsic biological and extrinsic preservation factors on dental cortisol. Further method validation and alternative methods for assessing dental cortisol are needed.
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Affiliation(s)
- Leslie Quade
- Department of Anthropology, Faculty of Science, Masaryk University, Kotlářská 267/2, Brno 61137, Czech Republic.
| | - Miroslav Králík
- Department of Anthropology, Faculty of Science, Masaryk University, Kotlářská 267/2, Brno 61137, Czech Republic
| | - Petra Bencúrová
- Central European Institute of Technology (CEITEC), Masaryk University, Žerotínovo nám. 617/9, Brno 60177, Czech Republic
| | - Erin C Dunn
- Massachusetts General Hospital and Harvard Medical School, 55 Fruit St, Boston, MA 02114, United States
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Doss EM, Jouffroy M, Rey B, Cohas A, von Hardenberg A, Smith TE. Technical validation and a comparison of two methods to quantify individual levels of glucocorticoids in Alpine marmot hair. MethodsX 2023; 11:102418. [PMID: 37846357 PMCID: PMC10577059 DOI: 10.1016/j.mex.2023.102418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/04/2023] [Indexed: 10/18/2023] Open
Abstract
Quantification of cortisol concentration in hair has become a promising conservation tool for non-invasive monitoring of "stress" in wild populations, yet this method needs to be carefully validated for each species. The goals of the study were:•Immunologically validate two methods (study 1 and 2 respectively) to extract and quantify cortisol in the hair of wild Alpine marmots.•Compare the amount of cortisol extracted from hair samples using two methods i.e. cut into fine pieces (study 1) and hair samples pulverized using a ball mill (study 2).•Determine the extent to which methods in study 2 could provide individual specific hair cortisol (HC) measures when samples were taken from the same body location. Within and between individual variations in HC levels were examined from multiple hair samples from 14 subjects in study 2. We evaluated if inter-individual variations in HC levels could be explained by sex and age.At least twice the amount of cortisol was obtained per g/hair when samples were pulverized in a ball mill prior to extraction compared to when cut into pieces. Our methods demonstrated intra-individual consistency in HC at a given time point: inter-individual variation in HC was three times larger than within individual variance. Sex and age did not impact HC levels.
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Affiliation(s)
- Elina Marielle Doss
- University of Chester, Conservation Biology Research Group, Chester, United Kingdom
| | - Mathilde Jouffroy
- University of Chester, Conservation Biology Research Group, Chester, United Kingdom
| | - Benjamin Rey
- Université de Lyon, Laboratoire de Biométrie et Biologie Évolutive, Université Lyon1, UMR-CNRS 5558, Villeurbanne, France
| | - Aurélie Cohas
- Université de Lyon, Laboratoire de Biométrie et Biologie Évolutive, Université Lyon1, UMR-CNRS 5558, Villeurbanne, France
| | - Achaz von Hardenberg
- University of Chester, Conservation Biology Research Group, Chester, United Kingdom
| | - Tessa Ellen Smith
- University of Chester, Conservation Biology Research Group, Chester, United Kingdom
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Colding-Jørgensen P, Hestehave S, Abelson KSP, Kalliokoski O. Hair glucocorticoids are not a historical marker of stress - Exploring the time-scale of corticosterone incorporation into hairs in a rat model. Gen Comp Endocrinol 2023; 341:114335. [PMID: 37302763 DOI: 10.1016/j.ygcen.2023.114335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 05/31/2023] [Accepted: 06/06/2023] [Indexed: 06/13/2023]
Abstract
Hair glucocorticoids are increasingly popular biomarkers, used across numerous research fields, and studied species, as a measure of stress. Although they are suggested to be a proxy of the average HPA axis activity spanning a period of weeks or months into the past, this theory has never been tested. In the present study, adrenalectomized rats with no endogenous (adrenal) glucocorticoid production were used to study how circulating glucocorticoid levels would be reflected in the glucocorticoid levels found in hair samples. By dosing the animals daily with high levels of corticosterone for seven days, while sampling hairs before, during, and after treatments, a timeline for glucocorticoid uptake into hairs was constructed. This kinetic profile was compared to two hypothetical models, and the theory that hair glucocorticoids are a record of historical stress had to be rejected. Corticosterone concentrations in hairs were found to increase within three hours of the first injection, the highest concentrations were found on the seventh day of treatments, and the decrease in concentrations post-treatment suggests rapid elimination. We speculate that hair glucocorticoid levels can only be used to characterize a stress-response for a few days following a postulated stressor. An updated model, where glucocorticoids diffuse into, along, and out of hairs needs to be adopted to reconcile the experimentally obtained data. The inescapable consequence of this updated model is that hair glucocorticoids become a marker of - and can only be used to study - recent, or ongoing, stress, as opposed to historical events, weeks or months in the past.
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Affiliation(s)
- Pernille Colding-Jørgensen
- Department of Experimental Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Sara Hestehave
- Department of Experimental Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark; Department of Cell and Developmental Biology, University College London, United Kingdom
| | - Klas S P Abelson
- Department of Experimental Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Otto Kalliokoski
- Department of Experimental Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark.
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4
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La Marca R, Schneider S, Jenni G, Kühne F, Holtforth MG, Wettstein A. Associations between stress, resources, and hair cortisol concentration in teachers. Psychoneuroendocrinology 2023; 154:106291. [PMID: 37196382 DOI: 10.1016/j.psyneuen.2023.106291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 04/04/2023] [Accepted: 05/10/2023] [Indexed: 05/19/2023]
Abstract
Challenging interactions are the main source of teacher' stress in the classroom. We investigated the association of chronic stress and characteristics of teacher-student interactions with teachers' Hair Cortisol Concentration (HCC). Forty-one teachers (27 women; Mage = 39.65 ± 12.14 years; Mlesson number = 23.15 ± 3.99 lessons per week; grade: elementary, secondary, high, and vocational school teachers) participated in the present study, with participation lasting over the length of one year. HCC was assessed from a 3 cm hair segment near the scalp. Self-reported chronic stress in the last three months was further assessed using the 'Trier Inventory for Chronic Stress' (TICS). Additionally, four consecutive, same-day lectures of each teacher were videotaped and coded offline in an event sampling procedure by trained external observers. The videos were analyzed for two stressors, i.e., classroom disruptions and total student aggression, as well as two resources, i.e., teacher-student relationship and classroom management. Overall, hair samples were collected M = 120.34 days (SD = 84.39) after the distribution of the questionnaires, and M = 67.63 days (SD = 18.40) prior to the observations. Lesson number, classroom disruptions, as well as total student aggression were all significantly positively correlated with HCC. In addition, both teacher-student relationship and classroom management were significantly negatively related to HCC. With regard to self-rated chronic stress, only the TICS subscale 'Pressure to perform' was positively related to HCC. Exploratory moderation analyses revealed that an increasingly good, observed teacher-student relationship buffered the positive association between lesson number and HCC. Our findings show significant associations between HCC and mainly objectively assessable stress, supporting HCC as a biological indicator of chronic stress. In this association, a good relationship between teachers and students acts as a buffer. While the findings underline the importance of examining objective and behavioral data for better understanding the psychobiology of stress, they also support the importance of boostering teachers' (social) resources to increase their overall resilience.
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Affiliation(s)
- Roberto La Marca
- Department of Research and Development, University of Teacher Education Bern, Bern, Switzerland; Clinica Holistica Engiadina, Centre for Stress-Related Disorders, Susch, Switzerland; Clinical Psychology and Psychotherapy, Department of Psychology, University of Zurich, Zurich, Switzerland
| | - Sandra Schneider
- Department of Research and Development, University of Teacher Education Bern, Bern, Switzerland; Clinical Psychology and Psychotherapy, Department of Psychology, University of Bern, Switzerland
| | - Gabriel Jenni
- Department of Research and Development, University of Teacher Education Bern, Bern, Switzerland
| | - Fabienne Kühne
- Department of Research and Development, University of Teacher Education Bern, Bern, Switzerland
| | - Martin Grosse Holtforth
- Clinical Psychology and Psychotherapy, Department of Psychology, University of Bern, Switzerland; Psychosomatic Medicine, Department of Neurology, Inselspital, Bern University Hospital, University of Bern, Switzerland
| | - Alexander Wettstein
- Department of Research and Development, University of Teacher Education Bern, Bern, Switzerland.
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Li Y, Jia W, Yan N, Hua Y, Han T, Yang J, Ma L, Ma L. Associations between chronic stress and hair cortisol in children: A systematic review and meta-analysis. J Affect Disord 2023; 329:438-447. [PMID: 36868386 DOI: 10.1016/j.jad.2023.02.123] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 03/05/2023]
Abstract
OBJECTIVES This review systematically examined the associations between chronic stress and hair cortisol concentration (HCC) in children, and the potential modification effects of type, measurement period and scales of chronic stress, child age and sex, hair length and HCC measurement method, characteristics of study site, and congruence between time periods measured for chronic stress and HCC. METHODS Pubmed, Wed of Science, and APA PsycINFO were systematically searched for articles examining the association between chronic stress and HCC. RESULTS Thirteen studies from five countries with 1,455 participants were included in the systematic review and nine studies were included in the meta-analysis. Meta-analysis revealed that chronic stress was associated with HCC (pooled-r = 0.09, 95 % CI: 0.03, 0.16). Stratified analyses revealed that type, measurement time and scales of chronic stress, hair length and measurement method of HCC, and the congruence between time periods measured for chronic stress and HCC modified such correlations. The positive correlations between chronic stress and HCC were significant for studies measuring chronic stress as stressful life events, assessing chronic stress within the past six months, extracting HCC from 1 cm, 3 cm, or 6 cm of hair, measuring HCC by LC-MS/MS, or having congruence between time periods measured for chronic stress and HCC. The potential modifying effects of sex and country developmental status could not be concluded due to the limited number of studies included. CONCLUSIONS Chronic stress was positively correlated with HCC, varying by characteristics and measurements of chronic stress and HCC. HCC could be a biomarker for chronic stress among children.
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Affiliation(s)
- Ying Li
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Wanru Jia
- Department of Disease Prevention and Control, Xi 'an Children's Hospital, Xi'an, China
| | - Na Yan
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China; Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, China
| | - Yiming Hua
- Department of Cardiology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Tuo Han
- Department of Cardiology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Juan Yang
- Department of Cell Biology and Genetics, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Lu Ma
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China; Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, China.
| | - Le Ma
- School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, China; Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, China.
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Sami A, Elimairi I, Anthony Ryan C, Paul Ross R, Stanton C. Sudanese Toombak smokeless tobacco users harbour significantly altered long-term cortisol body production. Steroids 2023; 193:109189. [PMID: 36738817 DOI: 10.1016/j.steroids.2023.109189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/28/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023]
Abstract
The Sudanese, in particular its male population, are known to utilise a smokeless tobacco product (Toombak) which is placed in the oral cavity and can be replaced several times a day. Toombak has been shown to harm human health and is highly addictive. The effect on body cortisol response over a retrospective period in users of this product has not been previously explored. In addition, psycho-dependency scores of Toombak users have not been analysed. In this study, 37 male subjects, age 18-45 years were recruited, of which 18 were non-users of Toombak and 19 were Toombak users. One hair sample was collected from each user and non-user of Toombak. Each hair sample (n=37) was placed in a pre-prepared long piece of foil with two labels on either side marked: 'scalp-side' and 'distant-side'. Cortisol was extracted by mincing 10 mg of 'scalp-side' hair, not exceeding 3 cm, with methanol addition, incubation, and sonication. Cortisol was measured using the enzyme-linked immunosorbent assay kit (Enzo Life Sciences, UK). The amount of hair cortisol in the samples was determined using spectrophotometry at wavelength 405 nm measured in pg/ml and visualised with a four parametric logistic curve. Toombak users were further asked to complete the Fagerstrom Test for Nicotine Dependence-Smokeless Tobacco questionnaire (FTND-ST) comprising of six questions. Scores of > 5 indicated a significant dependence, while a score of < 4 marked low to moderate dependence. The mean concentration of hair cortisol in Toombak users (9.7 pg/ml) was significantly lower (p=0.023) compared to non-users (19.4 pg/ml), with total concentrations ranging from 2.1 to 55.6 pg/ml. FTND-ST scores ranged from 4 to 9, with high levels of psycho-dependency (score > 5) and nicotine tolerance found in 85 % of Toombak users. Cortisol body release in Sudanese smokeless tobacco users was found to be significantly altered. While low cortisol levels do lead to anxiolytic effects, in the long-term, this can allow for increased susceptibility to low cortisol-associated diseases.
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Affiliation(s)
- Amel Sami
- APC Microbiome Ireland, School of Microbiology, University College Cork, Cork T12 YN60, Europe; Department of Oral and Maxillofacial Surgery and Oral Medicine, Faculty of Dentistry, National Ribat University, Nile Street, Khartoum 1111, Sudan
| | - Imad Elimairi
- Department of Oral and Maxillofacial Surgery and Oral Medicine, Faculty of Dentistry, National Ribat University, Nile Street, Khartoum 1111, Sudan.
| | - C Anthony Ryan
- Department of Paediatrics and Child Health, University College Cork, Cork T12 DFK4, Europe
| | - R Paul Ross
- APC Microbiome Ireland, School of Microbiology, University College Cork, Cork T12 YN60, Europe
| | - Catherine Stanton
- APC Microbiome Ireland, School of Microbiology, University College Cork, Cork T12 YN60, Europe; Teagasc Food Research Centre, Moorepark, Fermoy, Cork P61 C996, Ireland.
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Barba SV, Kirschbaum C, Gao W. Endocannabinoid and perceived stress: Association analysis of endocannabinoid levels in hair versus levels in plasma and urine. Biol Psychol 2023; 178:108541. [PMID: 36918140 DOI: 10.1016/j.biopsycho.2023.108541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 03/05/2023] [Accepted: 03/10/2023] [Indexed: 03/14/2023]
Abstract
The endocannabinoid system is considered to play a role in a wide range of functions, including stress. Hair analysis of endocannabinoids presents a promising methodological advancement for the retrospective assessment of long-term cumulative endocannabinoid secretion. Despite promising pilot study results suggesting the usefulness of hair endocannabinoid assessments, it remains unclear whether hair endocannabinoid levels mirror systemic endocannabinoid levels accurately. Two independent studies were conducted to investigate to what extent hair endocannabinoid and N-Acylethanolamine levels reflect the systemic levels retrospectively. Endocannabinoid and N-Acylethanolamine levels were measured in 3 cm and 1 cm hair segments respectively, and compared with the averaged levels in multiple plasma samples collected during three months (Study I), and in multiple 24-hour urine samples collected over a month (Study II). In addition, the Perceived Stress Scale was used to assess the perceived stress throughout the studies. Against our hypothesis, no association was found between the endocannabinoid or N-Acylethanolamine levels in hair and plasma or urine. However, hair palmitoylethanolamide (PEA), oleoylethanolamide (OEA), and stearoylethanolamide (SEA) levels were positively correlated with perceived stress in Study I. The current findings suggest that hair endocannabinoid or N-Acylethanolamine levels might not accurately reflect the levels of peripheral circulating endocannabinoid or N-Acylethanolamine. Nevertheless, hair N-Acylethanolamine levels might emerge as a useful strategy in the study of some psychological phenotypes, such as stress.
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Affiliation(s)
- Sonia Valdivieso Barba
- Faculty of Psychology, Chair of Biological Psychology, Technische Universität Dresden, Dresden, Germany
| | - Clemens Kirschbaum
- Faculty of Psychology, Chair of Biological Psychology, Technische Universität Dresden, Dresden, Germany
| | - Wei Gao
- Faculty of Psychology, Chair of Biological Psychology, Technische Universität Dresden, Dresden, Germany.
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Samaras A, Pavlidis M. Fish Scales Produce Cortisol upon Stimulation with ACTH. Animals (Basel) 2022; 12:ani12243510. [PMID: 36552430 PMCID: PMC9774796 DOI: 10.3390/ani12243510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/09/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022] Open
Abstract
Cortisol concentration in fish scales is a novel and reliable indicator of chronic stress. However, until now cortisol in scales has been considered to be accumulated through the circulation and it has not yet been studied whether it can be de novo produced from cells found in the scales. In the current study, scales of European sea bass, Dicentrarchus labrax, were stimulated in-vitro with a range of concentrations of adrenocorticotropic hormone (ACTH) to investigate if they can produce and release cortisol. Moreover, scales were exposed to a combination of ACTH and metyrapone, an inhibitor of cortisol production, to examine whether cortisol was actually produced in the scales. Results from ACTH administration showed that scales increased their cortisol release in a dose-dependent manner. This effect was reversed when scales were co-incubated with ACTH and metyrapone, indicating that cortisol was produced de novo and not released only upon stimulation with ACTH.
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Moody SN, van Dammen L, Wang W, Greder KA, Neiderhiser JM, Afulani PA, Willette A, Shirtcliff EA. Impact of hair type, hair sample weight, external hair exposures, and race on cumulative hair cortisol. Psychoneuroendocrinology 2022; 142:105805. [PMID: 35687978 PMCID: PMC10914121 DOI: 10.1016/j.psyneuen.2022.105805] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 05/14/2022] [Accepted: 05/15/2022] [Indexed: 11/24/2022]
Abstract
The biomarker cortisol assesses the impact of biopsychosocial stressors that activate the stress response system. Hair has emerged as a valid and non-invasive means of gauging cumulative cortisol deposited over month-long periods of time. Established protocols for the extraction of hair cortisol are being validated and refined in humans, yet methodological information about hair characteristics on cortisol remains limited. In addition to external hair exposures (e.g. dye, time spent outside), we examined hair categorization or type (e.g. kinky, straight) by extending a hair typing methodology for scientific use that is currently popular among hair care professionals. We then examined the interaction between hair type and race on cortisol levels with a hair questionnaire. Three studies were pooled to investigate how sample weight, hair type, race, heat exposures, and hair treatments impacted cumulative hair cortisol concentrations. Study 1 consisted of Adult Kenyan Medical Workers (N = 44); Study 2 Mexican and Mexican Americans (N = 106); and Study 3 American Youth (N = 107). We found significantly higher cortisol in 5 mg of hair when compared to larger sample weights, and higher cortisol in those who spent more time outdoors. Cortisol concentrations differed between racial groups and varied by hair type; moreover, there were directional differences in cumulative cortisol from straighter to curlier hair types which depended on racial group. In addition to demonstrating the impact of relatively novel control factors like hair sample weight, outdoor exposure, and hair type, the present study illustrates the importance of disentangling hair type and race to understand variability in cumulative hair cortisol. These influences should be included in future studies that measure hair cortisol.
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Affiliation(s)
- Shannin N Moody
- Louisiana State University Health Sciences Center- New Orleans; Iowa State University.
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Keogh MJ, Nicholson KL, Skinner JP. Relationships between age, diet, and stress-related hormones and reproduction in American marten ( Martes americana). J Mammal 2022. [DOI: 10.1093/jmammal/gyac067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
American marten (Martes americana) in Interior Alaska are at the northwestern limit of their North American range. To investigate factors that may be associated with reproduction we determined the cementum age and the presence or absence of blastocysts in 118 female martens for 3 years (2012, 2014, and 2016) in two regions. For each marten we collected fur samples and measured steroid hormone concentrations (cortisol, testosterone, and progesterone) and stable isotopes (δ15N and δ13C values, a proxy for diet). These parameters reflect the diet and endocrine activity between June and October when fur is grown. We also collected two claws from a subset of 39 female marten from one region in 2012 and 2014. Progesterone concentrations were measured in one whole claw and from a second claw divided into proximal (recent growth) and distal sections. Differences in the probability of blastocysts being present were associated with geographic region and sample year suggesting that reproduction in female marten varies on a fine scale. We found the that presence of blastocysts was positively associated with marten age and δ15N values in fur but negatively associated with fur cortisol concentrations. These findings suggest that the likelihood a female marten will reproduce in a given year is influenced, in part, by the proportion of protein in their diet and stressors encountered during late summer and fall, months before active gestation begins.
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Affiliation(s)
- Mandy J Keogh
- Division of Wildlife Conservation, Alaska Department of Fish and Game , Douglas, Alaska , USA
| | - Kerry L Nicholson
- Division of Wildlife Conservation, Alaska Department of Fish and Game , Fairbanks, Alaska , USA
| | - John P Skinner
- Division of Wildlife Conservation, Alaska Department of Fish and Game , Anchorage, Alaska , USA
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Gáll Z, Csukor B, Urkon M, Farczádi L, Kolcsár M. Vitamin D Status Assessment: Lack of Correlation between Serum and Hair 25-Hydroxycholecalciferol Levels in Healthy Young Adults. Diagnostics (Basel) 2022; 12:diagnostics12051229. [PMID: 35626384 PMCID: PMC9140052 DOI: 10.3390/diagnostics12051229] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/11/2022] [Accepted: 05/12/2022] [Indexed: 02/01/2023] Open
Abstract
Vitamin D deficiency has been linked to numerous health problems, including those resulting from disturbed calcium-phosphorus homeostasis, and neuropsychiatric and autoimmune disorders. Nearly one-third of the global population has suboptimal levels of vitamin D, according to epidemiological data. Vitamin D status is usually determined by measuring serum 25(OH)D, but, for decades, serum 25(OH)D measurement has been hampered by a lack of standardization. There have been many recent initiatives to develop reference substances and methods for measuring vitamin D and its metabolites, and re-evaluating the optimal values. It was also suggested that alternative biological samples could also be used, such as hair, since it has been established that lipophilic substances, such as corticosteroids, can also be found in hair. The purpose of this study was to determine the correlation between 25(OH)D3 concentrations in serum and hair, and other demographic features in 26 healthy Caucasian young adult volunteers. The determination of 25(OH)D3 and cholecalciferol was carried out using liquid chromatography coupled with mass spectrometry (LC-MS) from blood and hair samples taken at two timepoints separated by nine weeks. In the hair samples of 18 out of 26 subjects, 25(OH)D was detected at a mean (±SEM) concentration of 17.07 ± 5.375 pg/mg at the first sampling time, and 58.90 ± 25.97 pg/mg at the second sampling time. A multiple linear regression analysis revealed no effects of gender, body mass index, supplementation, or sun exposure on hair 25(OH)D3 concentrations, but supplementation and sun exposure significantly increased serum 25(OH)D3 concentrations. In addition, serum and hair 25(OH)D3 concentrations did not correlate; however, there was a strong correlation between the two sampling times for serum 25(OH)D3 concentrations. In conclusion, this study confirmed that 25(OH)D3 could be detected in human hair, but its use as a biomarker warrants further investigations since no link was found between serum 25(OH)D3 concentrations, supplementation, sun exposure, and hair 25(OH)D3 concentrations levels.
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Affiliation(s)
- Zsolt Gáll
- Department of Pharmacology and Clinical Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania; (M.U.); (M.K.)
- Correspondence:
| | - Brigitta Csukor
- Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Melinda Urkon
- Department of Pharmacology and Clinical Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania; (M.U.); (M.K.)
| | - Lénárd Farczádi
- Chromatography and Mass Spectrometry Laboratory, Center for Advanced Medical and Pharmaceutical Research, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania;
| | - Melinda Kolcsár
- Department of Pharmacology and Clinical Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540142 Targu Mures, Romania; (M.U.); (M.K.)
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Winebrake DA, Almeida CF, Tuladhar CT, Kao K, Meyer JS, Tarullo AR. Social Fear in US Infants: The Roles of Hair and Salivary Cortisol. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2022; 95:71-85. [PMID: 35370495 PMCID: PMC8961713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Elevated social fear in infancy poses risk for later social maladjustment and psychopathology. Hair cortisol concentration (HCC), an index of cumulative cortisol exposure, and diurnal salivary cortisol slope, a biomarker of acute stress regulation, have been associated with social fear behaviors in childhood; however, no research has addressed their relations in infancy. Elucidating potential biomarkers of infant social fear behaviors, as well as environmental factors associated with these biomarkers, may grant insights into the ontogeny of fear behaviors that increase risk for internalizing and externalizing psychopathologies later in life. The current study used multiple linear regression to examine if infant HCC, infant diurnal cortisol slope, and income-to-needs ratios (ITN) were differentially associated with observed social fear responses to a Stranger Approach task at 12 months. Using a sample of 90 infants (M age = 12.26m, SD = 0.81m, 50% female), results indicated that increased infant HCC was associated with increased distress vocalizations during the Stranger Approach task, while steeper diurnal cortisol slope was associated with fewer distress vocalizations. Ordinary least squares path analyses did not reveal group differences between economically strained and non-strained infants in how cortisol measures and social fear responses related. Findings underscore very early psychobiological correlates of fearfulness that may increase risk for fear-related disorders and adverse mental health symptomology across childhood.
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Affiliation(s)
- Deaven A. Winebrake
- Department of Psychological & Brain Sciences,
Boston University, Boston, MA, USA,To whom all correspondence should be addressed:
Deaven A. Winebrake, Department of Psychological & Brain Sciences, Boston
University, Boston, MA; ; ORCID iD:
https://orcid.org/0000-0003-4279-7305
| | - Carlos F. Almeida
- Department of Psychological & Brain Sciences,
Boston University, Boston, MA, USA
| | - Charu T. Tuladhar
- Department of Psychological & Brain Sciences,
Boston University, Boston, MA, USA
| | - Katie Kao
- Department of Developmental Medicine, Harvard Medical
School, Boston, MA, USA
| | - Jerrold S. Meyer
- Department of Psychological & Brain Sciences,
University of Massachusetts, Amherst, MA, USA
| | - Amanda R. Tarullo
- Department of Psychological & Brain Sciences,
Boston University, Boston, MA, USA
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13
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Radstake WE, Baselet B, Baatout S, Verslegers M. Spaceflight Stressors and Skin Health. Biomedicines 2022; 10:364. [PMID: 35203572 PMCID: PMC8962330 DOI: 10.3390/biomedicines10020364] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/28/2022] [Accepted: 01/31/2022] [Indexed: 02/06/2023] Open
Abstract
Traveling to space puts astronauts at risk of developing serious health problems. Of particular interest is the skin, which is vitally important in protecting the body from harmful environmental factors. Although data obtained from long-duration spaceflight studies are inconsistent, there have been indications of increased skin sensitivity and signs of dermal atrophy in astronauts. To better understand the effects of spaceflight stressors including microgravity, ionizing radiation and psychological stress on the skin, researchers have turned to in vitro and in vivo simulation models mimicking certain aspects of the spaceflight environment. In this review, we provide an overview of these simulation models and highlight studies that have improved our understanding on the effect of simulation spaceflight stressors on skin function. Data show that all aforementioned spaceflight stressors can affect skin health. Nevertheless, there remains a knowledge gap regarding how different spaceflight stressors in combination may interact and affect skin health. In future, efforts should be made to better simulate the spaceflight environment and reduce uncertainties related to long-duration spaceflight health effects.
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Affiliation(s)
- Wilhelmina E. Radstake
- Radiobiology Unit, SCK CEN, Belgian Nuclear Research Centre, 2400 Mol, Belgium; (W.E.R.); (S.B.); (M.V.)
- Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Bjorn Baselet
- Radiobiology Unit, SCK CEN, Belgian Nuclear Research Centre, 2400 Mol, Belgium; (W.E.R.); (S.B.); (M.V.)
| | - Sarah Baatout
- Radiobiology Unit, SCK CEN, Belgian Nuclear Research Centre, 2400 Mol, Belgium; (W.E.R.); (S.B.); (M.V.)
- Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Mieke Verslegers
- Radiobiology Unit, SCK CEN, Belgian Nuclear Research Centre, 2400 Mol, Belgium; (W.E.R.); (S.B.); (M.V.)
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14
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Effects of Wash Protocol and Contamination Level on Concentrations of Cortisol and Dehydroepiandrosterone (DHEA) in Swine Hair. Animals (Basel) 2021; 11:ani11113104. [PMID: 34827836 PMCID: PMC8614459 DOI: 10.3390/ani11113104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 10/27/2021] [Accepted: 10/29/2021] [Indexed: 12/03/2022] Open
Abstract
Simple Summary Quantifying the hormones cortisol and dehydroepiandrosterone (DHEA) in swine hair is of increasing interest to evaluate long-term stress and resilience. Because swine hair is often contaminated with varying amounts of excrement, it needs to be decontaminated with a solvent prior to hair hormone extraction to rid the hair of potential external contaminants. However, it is unknown how contamination influences hair hormone concentrations, and if current wash protocols are effective in removing contamination. The goals of this study were thus, to determine if wash solvents (methanol versus isopropanol), contamination level (none, mild, or severe), and the number of washes (one, three, or five) influenced hair cortisol and DHEA concentrations. This study showed that hair cortisol, but not DHEA concentrations were reduced when external contamination was present, and that methanol was more effective at removing external contamination compared to isopropanol. There were also decreasing concentrations of cortisol and DHEA within the hair and wash solvent with an increasing number of washes. Thus, it is recommended not to use contaminated hair for hormone analysis, and to wash swine hair with a minimum of three 3 min methanol washes prior to analysis. Abstract The effect of washing procedure and contamination level on the concentrations of cortisol and dehydroepiandrosterone (DHEA) in swine hair was explored over two studies. Hair shaved from finisher pigs (n = 8) and sows (n = 8, cortisol study 1 only) was split into two treatments (two hair samples/pig) to receive either three isopropanol or methanol washes, and two paired subsamples of hair were contaminated with feces and urine, mildly or severely. Samples were further subdivided and received one, three, or five methanol washes. Hormone concentrations were quantified from the hair and wash solvent, and the ratio of hormones in the solvent to that in the hair calculated. When grouping sow and grower hair together for analysis, hair cortisol concentrations were 13% greater after three isopropanol washes compared to methanol (22.84 ± 3.12 vs. 19.77 ± 2.64 pg/mg, respectively). When analyzing sow and grower hair separately, sow hair cortisol concentrations were 20% higher following three isopropanol washes compared to methanol washes (22.06 ± 5.21 vs. 27.72 ± 5.65 pg/mg), with no differences in grower pig hair concentrations. The solvent cortisol concentrations did not differ with wash solvent. No differences were seen for DHEA. Contamination level did not influence hormone concentrations. Hair cortisol concentrations were 24% higher after one wash compared to five washes (11.98 ± 1.47 vs. 9.05 ± 0.92 pg/mg), whereas the solvent cortisol concentrations were 80% and 84% higher after one wash compared to three and five washes, respectively (21.09 ± 4.04 vs. 4.21 ± 1.62 vs. 3.36 ± 1.32 pg/mg). The solvent–hair cortisol ratio was 65% and 73% higher following one wash compared to three and five washes (1.36 ± 0.80 vs. 0.47 ± 0.12 vs. 0.37 ± 0.14). Hair DHEA concentrations were 39% higher after one wash compared to five washes (42.39 ± 6.87 vs. 26.02 ± 5.69 pg/mg). The solvent DHEA concentrations, and the solvent–hair ratio for DHEA were 94% and 98% and 92% and 98% higher going from one wash to three and five washes, respectively (solvent: 5.07 ± 0.26 vs. 0.28 ± 0.12 vs. 0.12 ± 0.09 pg/mg and solvent–hair ratio: 0.13 ± 0.006 vs. 0.010 ± 0.004 vs. 0.003 ± 0.002). Following three methanol washes, the non-contaminated hair had 46% and 48% higher hair (17.47 ± 1.12 vs. 9.35 ± 0.80 vs. 9.05 ± 1.06 pg/mg) and a 76% and 72% higher solvent (16.31 ± 8.07 vs. 3.92 ± 0.50 vs. 4.50 ± 2.31 pg/mg) cortisol concentration compared to mild and severely contaminated hair, respectively. Wash solvent influences cortisol concentrations in swine hair, but not DHEA. Contaminated swine hair should be avoided in analyses when possible.
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15
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Sandoval-Herrera NI, Mastromonaco GF, Becker DJ, Simmons NB, Welch KC. Inter- and intra-specific variation in hair cortisol concentrations of Neotropical bats. CONSERVATION PHYSIOLOGY 2021; 9:coab053. [PMID: 34267922 PMCID: PMC8278960 DOI: 10.1093/conphys/coab053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 06/13/2021] [Accepted: 07/08/2021] [Indexed: 06/13/2023]
Abstract
Quantifying hair cortisol has become popular in wildlife ecology for its practical advantages for evaluating stress. Before hair cortisol levels can be reliably interpreted, however, it is key to first understand the intrinsic factors explaining intra- and inter-specific variation. Bats are an ecologically diverse group of mammals that allow studying such variation. Given that many bat species are threatened or have declining populations in parts of their range, minimally invasive tools for monitoring colony health and identifying cryptic stressors are needed to efficiently direct conservation efforts. Here we describe intra- and inter-specific sources of variation in hair cortisol levels in 18 Neotropical bat species from Belize and Mexico. We found that fecundity is an important ecological trait explaining inter-specific variation in bat hair cortisol. Other ecological variables such as colony size, roost durability and basal metabolic rate did not explain hair cortisol variation among species. At the individual level, females exhibited higher hair cortisol levels than males and the effect of body mass varied among species. Overall, our findings help validate and accurately apply hair cortisol as a monitoring tool in free-ranging bats.
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Affiliation(s)
- Natalia I Sandoval-Herrera
- Department of Ecology and Evolutionary Biology, University of Toronto, Ontario, M5S 3B2, Canada
- Department of Biological Sciences, University of Toronto Scarborough, Ontario, M1C 1A4, Canada
| | | | - Daniel J Becker
- Department of Biology, University of Oklahoma, Norman, OK 73019, USA
| | - Nancy B Simmons
- Department of Mammalogy, Division of Vertebrate Zoology, American Museum of Natural History, New York, NY, 10024-5102, USA
| | - Kenneth C Welch
- Department of Ecology and Evolutionary Biology, University of Toronto, Ontario, M5S 3B2, Canada
- Department of Biological Sciences, University of Toronto Scarborough, Ontario, M1C 1A4, Canada
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16
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Di Francesco J, Mastromonaco GF, Checkley SL, Blake J, Rowell JE, Kutz S. Qiviut cortisol reflects hypothalamic-pituitary-adrenal axis activity in muskoxen (Ovibos moschatus). Gen Comp Endocrinol 2021; 306:113737. [PMID: 33610573 DOI: 10.1016/j.ygcen.2021.113737] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 01/25/2021] [Accepted: 02/09/2021] [Indexed: 01/10/2023]
Abstract
Muskoxen (Ovibos moschatus) are increasingly exposed to a broad diversity of stressors in their rapidly changing Arctic environment. There is an urgent need to develop validated tools to monitor the impact of these stressors on the hypothalamic-pituitary-adrenal (HPA) axis activity of muskoxen to help inform conservation actions. Here, we evaluated whether muskox qiviut (dense wooly undercoat) cortisol accurately reflects changes in HPA axis activity. Two repeated pharmacological challenges, involving weekly administrations of saline (control group) or adrenocorticotropic hormone (ACTH) during five consecutive weeks, were done on captive muskoxen, in winter (no hair growth) and summer (maximum hair growth). Pre-challenge qiviut cortisol levels were significantly higher in the shoulder than in the neck, but neither differed from rump concentrations. Qiviut cortisol levels significantly increased (p < 0.001) in response to the administration of ACTH during the hair growth phase, but not in the absence of growth (p = 0.84). Cortisol levels in the qiviut segment grown during the summer challenge increased significantly over a six-month period in the ACTH-injected muskoxen with a similar trend occurring in the control animals. Finally, cortisol levels in shed qiviut were significantly higher and not correlated to those of fully grown qiviut shaved three months earlier. Our results show that cortisol is deposited in qiviut during its growth and that qiviut cortisol can thus be used as an integrated measure of HPA axis activity over the period of the hair's growth. Differences in qiviut cortisol across body regions, significant differences in qiviut segments over time, and differences between shed qiviut versus unshed qiviut, highlight the importance of consistent design and methodology for sample collection and analyses in order to account for sources of variation when using qiviut cortisol as a biomarker of HPA axis activity in muskoxen.
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Affiliation(s)
- J Di Francesco
- Department of Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, Alberta T2N 4Z6, Canada; French Armed Forces Center for Epidemiology and Public Health (CESPA), Marseille, France.
| | - G F Mastromonaco
- Reproductive Sciences Unit, Toronto Zoo, 361A Old Finch Avenue, Scarborough, Ontario M1B 5K7, Canada
| | - S L Checkley
- Department of Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, Alberta T2N 4Z6, Canada
| | - J Blake
- Animal Resources Center, University of Alaska Fairbanks, 1033 Sheenjek Drive, Fairbanks, AK 99775-6980, USA
| | - J E Rowell
- Agricultural and Forestry Experiment Station, University of Alaska Fairbanks, Fairbanks, AK 99775-7500, USA
| | - S Kutz
- Department of Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, Alberta T2N 4Z6, Canada
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17
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Cattet M, Janz DM, Kapronczai L, Erlenbach JA, Jansen HT, Nelson OL, Robbins CT, Stenhouse GB. Cortisol levels in blood and hair of unanesthetized grizzly bears (Ursus arctos) following intravenous cosyntropin injection. Vet Med Sci 2021; 7:2032-2038. [PMID: 33978314 PMCID: PMC8464257 DOI: 10.1002/vms3.523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/23/2021] [Accepted: 04/22/2021] [Indexed: 11/25/2022] Open
Abstract
Hair cortisol concentration (HCC) is being used increasingly to evaluate long‐term stress in many mammalian species. Most of the cortisol is assumed to passively diffuse from circulating blood into hair follicles and gradually accumulate in growing hair. However, our research with free‐ranging grizzly bears (Ursus arctos) suggests HCC increases significantly within several hours following capture, a time too brief to be explained by this mechanism alone. In this study with captive grizzly bears, we sought to determine if a brief spike in blood cortisol concentration, thus mimicking a single stressful event, would cause an increase in HCC over a 7‐day period. To do this, we administered a single intravenous dose (5 μg/kg) of cosyntropin to three captive unanaesthetised adult female grizzly bears on two occasions, during April when hair growth was arrested and during August when hair was growing. In both trials, the cosyntropin caused a two‐fold or greater increase in serum cortisol levels within 1 hr but did not appear to influence HCC at 1, 48, and 168 hr following cosyntropin administration. We conclude the cosyntropin‐induced cortisol spike was likely insignificant when compared to the adrenocortical response that occurs in free‐ranging bears when captured. We suggest further study with a larger sample of captive bears to evaluate the combined effects of anaesthesia and multiple doses of cosyntropin administered over several hours would better simulate the adrenocortical response of free‐ranging grizzly bears during capture.
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Affiliation(s)
- Marc Cattet
- RGL Recovery Wildlife Health & Veterinary Services, Saskatoon, SK, Canada.,Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - David M Janz
- Department of Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, SK, Canada.,Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada
| | | | - Joy A Erlenbach
- School of the Environment, Washington State University, Pullman, WA, USA
| | - Heiko T Jansen
- Department of Integrative Physiology and Neuroscience, College of Veterinary Medicine, Washington State University, Pullman, WA, USA
| | - O Lynne Nelson
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA, USA
| | - Charles T Robbins
- School of Biological Sciences, Washington State University, Pullman, WA, USA
| | - Gordon B Stenhouse
- fRI Research, Hinton, AB, Canada.,Alberta Environment & Parks, Edmonton, AB, Canada
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18
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Ghassemi Nejad J, Lee BH, Kim JY, Chemere B, Sung KI, Lee HG. Effect of alpine grazing on plasma and hair cortisol, serotonin, and DHEA in dairy cows and its welfare impact. Domest Anim Endocrinol 2021; 75:106581. [PMID: 33189967 DOI: 10.1016/j.domaniend.2020.106581] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 10/18/2020] [Accepted: 10/18/2020] [Indexed: 01/31/2023]
Abstract
Through the analysis of blood and hair samples, this study evaluated the effects of grazing in alpine areas on welfare indices and indicators of stress in dairy cows. Twenty-one Holstein dairy cows (body weight: 637 ± 21.5 kg; days in milk: 133 ± 17.7, and second parity) were randomly assigned to 3 groups: control (nongrazing), 12 h of alpine grazing (12 hG), and 24 h of alpine grazing (24 hG). Blood samples for plasma collection were taken for 3 consecutive days at the end of the experiment. Hair samples were collected at the beginning and end of the experiment. Hormone measurements included cortisol, serotonin, and dehydroepiandrosterone (DHEA) in both plasma and hair samples. Plasma cortisol and DHEA levels did not differ among the 3 groups, whereas the plasma serotonin level was higher in the 24 hG group than that in the other groups. The plasma cortisol to DHEA ratio was lower in the 24 hG group than that in the control and 12 hG group. The hair samples taken at the end of the experiment showed that the cortisol level was significantly higher in the control group than that in both of the grazing groups and also higher in the 12 hG than that in the 24 hG group. Hair DHEA and serotonin levels were highest in the 24 hG group. The hair cortisol to DHEA ratio was significantly higher in the control group than that in the 12 hG and 24 hG groups and in the 12 hG group than that in the 24 hG group. Our study showed that grazing dairy cows in alpine areas for 24 h improved their welfare, as indicated by increased serotonin levels in hair and plasma, increased hair DHEA level, and decreased stress indicators, including the hair cortisol level and cortisol to DHEA ratio. Farm facilities should allocate optimal grazing time for optimal welfare of dairy cows.
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Affiliation(s)
- J Ghassemi Nejad
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Republic of Korea; Team of An Educational Program for Specialists in Global Animal Science, Brain Korea 21 Plus Project, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Republic of Korea
| | - B-H Lee
- National Institute of Animal Science, RDA, Cheonan 31000, Republic of Korea
| | - J-Y Kim
- College of Animal Life Sciences, Kangwon National University, Chuncheon, 24341 Gangwon, Republic of Korea
| | - B Chemere
- Department of Animal Science, College of Agriculture and Environmental Sciences, Arsi University, P.O.Box: 193, Asella, Arsi, Oromia, Ethiopia
| | - K-I Sung
- College of Animal Life Sciences, Kangwon National University, Chuncheon, 24341 Gangwon, Republic of Korea.
| | - H-G Lee
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Republic of Korea; Team of An Educational Program for Specialists in Global Animal Science, Brain Korea 21 Plus Project, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Republic of Korea.
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19
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Price JL, Nixon SJ. Retrospective Hair Cortisol Concentrations from Pretreatment to Early Recovery in Alcohol Use Disorder. Alcohol Alcohol 2021; 56:181-184. [PMID: 33279964 DOI: 10.1093/alcalc/agaa127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/09/2020] [Accepted: 10/24/2020] [Indexed: 11/14/2022] Open
Abstract
Cortisol profiles are known to vary across phases of alcohol use disorder (AUD; e.g. chronic use, withdrawal and early/sustained recovery). These patterns have largely been established through between-subjects contrasts. Using a segmental hair cortisol concentrations (HCC) approach, retrospective longitudinal analyses are feasible. Here, we examine monthly cortisol secretion in treatment-seekers with AUD from alcohol use to abstinence. At ~6 weeks of recovery we collected hair samples from individuals with moderate-to-severe AUD. We examined HCC from three consecutive segments; proximal to the scalp representing the most recent month (sustained abstinence from alcohol), the midsegment representing the previous month in which abstinence was attained, and the distal segment representing 2 months prior during active drinking. Analyses examined main and interactive effects of segment and sex, controlling for monthly alcohol consumption. Best fit by a quadratic shape, within-subject change was significant (F1,15 = 5.27, P = 0.04, ηpartial2 = 0.26). The distal and midsegments did not differ from one another (P = 0.51). The proximal segment was significantly lower than both the distal (M∆ = 0.200, P = 0.004) and mid (M∆ = 0.175, P < 0.001) segments. An effect of sex approached significance suggesting women had modestly higher HCC than men (MWOMEN = 1.37 vs. MMEN = 1.02, P = 0.10). Consistent with previous cross-sectional reports, these data confirm nonlinear patterns of cortisol accumulation with elevations apparent during periods of alcohol consumption and a decrease in abstinence. Capturing these within-subject patterns via HCC trajectories may serve as a valuable resource in identifying profiles associated with increased risk and post-treatment outcomes.
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Affiliation(s)
- Julianne L Price
- Department of Kinesiology and Health, Center of Alcohol & Substance Use Studies, Rutgers University, Piscataway, NJ 08854, USA
| | - Sara Jo Nixon
- Department of Psychiatry, Center for Addiction Research & Education, University of Florida, Gainesville, FL 32610, USA
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20
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Crain DD, Karpovich SA, Quakenbush L, Polasek L. Using claws to compare reproduction, stress and diet of female bearded and ringed seals in the Bering and Chukchi seas, Alaska, between 1953-1968 and 1998-2014. CONSERVATION PHYSIOLOGY 2021; 9:coaa115. [PMID: 33442472 PMCID: PMC7786451 DOI: 10.1093/conphys/coaa115] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/27/2020] [Accepted: 11/20/2020] [Indexed: 05/08/2023]
Abstract
Rapid climate warming is decreasing sea ice thickness, extent and duration. Marine mammals such as bearded (Erignathus barbatus) and ringed (Pusa hispida) seals, which use sea ice for pupping, molting and resting, may be negatively affected. Claws from bearded and ringed seals store up to 14 and 12 years of sequential analyte data, respectively. These data can be used to compare reproduction, stress and diet across decades. In this study, we compare progesterone, cortisol and carbon and nitrogen stable isotopes in female bearded and ringed seals during 1953-1968 (pre-1968, a period prior to sea ice decline) to 1998-2014 (post-1998, a period during sea ice decline). When comparing these periods, bearded seals had statistically higher cortisol concentrations post-1998, and for both species δ13C was more negative post-1998, while progesterone and δ15N did not change. There was a positive relationship between progesterone and cortisol Z-scores for both species, except for ringed seals post-1998. There was a negative relationship between cortisol Z-scores and δ13C for bearded seals evident in post-1998 indicating that higher cortisol Z-scores are associated with more negative δ13C in bearded seals in recent years. This negative relationship between cortisol and δ13C in bearded seals suggests a shift to higher prey diversity, possibly due to changes in sea ice in the Pacific Arctic evident post 1998. Progesterone Z-scores corresponded to expected differences among non-pregnant, unimplanted, implanted and post-partum individuals. Using these data, pregnancy history was determined for reproductive years for each individual female sampled, which could allow for yearly pregnancy rates to be calculated given a large enough representative sample of the population. These results combine decades of observational studies with hormones and stable isotopes to infer changes in reproduction, stress and diet, as well as the connection between these life history parameters.
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Affiliation(s)
| | - Shawna A Karpovich
- Alaska Department of Fish and Game, 1300 College Road, Fairbanks, AK 99701, USA
| | - Lori Quakenbush
- Alaska Department of Fish and Game, 1300 College Road, Fairbanks, AK 99701, USA
| | - Lori Polasek
- Alaska Department of Fish and Game, 1255 W 8 St, Juneau, AK 99802, USA
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21
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Zea M, Bellagambi FG, Ben Halima H, Zine N, Jaffrezic-Renault N, Villa R, Gabriel G, Errachid A. Electrochemical sensors for cortisol detections: Almost there. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.116058] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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22
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Herane-Vives A, Ortega L, Sandoval R, Young AH, Cleare A, Espinoza S, Hayes A, Benöhr J. Measuring Earwax Cortisol Concentration using a non-stressful sampling method. Heliyon 2020; 6:e05124. [PMID: 33195832 PMCID: PMC7644886 DOI: 10.1016/j.heliyon.2020.e05124] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 08/06/2020] [Accepted: 09/28/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND "Short-term" samples are not the most appropriate for reflecting chronic cortisol concentration. Although hair is used for reflecting the systemic level of this hormone, its use as a "long-term" measure appears clinically problematic. Local and systemic stress and non-stress related factors may release cortisol that is accumulated in hair. Non-stressful earwax sampling methods may provide a more accurate specimen to measure chronic cortisol concentration. METHODS Earwax from both ears of 37 controls were extracted using a clinical procedure commonly associated with local pain. One month later, earwax from the left ear side was extracted using the same procedure, and earwax from the right ear side was more comfortably obtained, using a novel earwax self-sampling device. Participants also provided one centimetre of hair that represented the retrospective month of cortisol output, and one serum sample that reflected the effect of systemic stressors on cortisol levels. Earwax (ECC), Hair (HCC) and Serum (SCC) Cortisol Concentration were correlated and compared. Confounders' effect on cortisol levels were studied. RESULTS The highest levels of cortisol concentration were found in serum, and the lowest in hair (p < 0.01). Left-ECC was larger than Right-ECC (p = 0.03). Right-ECC was the only sample unaffected by confounders (all p > 0.05). A Pearson correlation showed that Right-ECC and HCC samples were moderately correlated between them (r = 0.39; p = 0.03). CONCLUSIONS The self-sampling device did not increase cortisol locally. It provided the cortisol level that was least likely to be affected by confounding factors over the previous month. ECC using the novel device might constitute another accurate, but more suitable and affordable specimen for measuring chronic cortisol concentration.
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Affiliation(s)
- Andres Herane-Vives
- Institute of Cognitive Neuroscience, University College London, UK
- Affective Disorders Research Group, Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Lorena Ortega
- Departamento de Clínicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
| | - Rodrigo Sandoval
- Departamento de Clínicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
| | - Allan H. Young
- Affective Disorders Research Group, Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Anthony Cleare
- Affective Disorders Research Group, Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Susana Espinoza
- Departamento de Clínicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
| | - Alexander Hayes
- Affective Disorders Research Group, Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Jan Benöhr
- Benöhr Design Creatives, München, Germany
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Davison B, Singh GR, Oguoma VM, McFarlane J. Fingernail cortisol as a marker of chronic stress exposure in Indigenous and non-Indigenous young adults. Stress 2020; 23:298-307. [PMID: 31651211 DOI: 10.1080/10253890.2019.1683159] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Cumulative exposure to stress over a long period can negatively impact an individual's health. Significant advancements in biomarkers of chronic stress have been made, with the use of fingernails recently explored. Cross sectional data from the Australian Aboriginal Birth Cohort (Indigenous) and Top End Cohort (non-Indigenous) were used to investigate the associations (sociodemographic and emotional) of fingernail cortisol in Indigenous and non-Indigenous young adults. Details on sociodemographic (age, gender, and Indigenous identification), smoking and alcohol use, emotional wellbeing, and emotional stress (perceived stress and stressful events), and fingernail samples were obtained face-to-face. Fingernail samples were analyzed for 179 Indigenous and 66 non-Indigenous participants (21-28 years). Indigenous participants were subjected to higher rates of stressful events compared to non-Indigenous (Median 6.0; interquartile range (IQR) 4, 9 vs. 1.0; IQR 0, 2; p < .001). Median cortisol levels were similar between Indigenous and non-Indigenous participants (4.36 pg/mg; IQR 2.2, 10.0 vs. 3.87 pg/mg: IQR 2.0, 9.7; p = .68). However, Indigenous participants had a higher cortisol level on adjustment for emotional distress and exposure to stressful events (Geometric Mean 1.82; 95CI: 1.07-3.09), with a negative association with increasing number of stressful events (Geometric Mean 0.94; 95CI 0.90, 0.99). Collection of fingernails was an easily conducted, well-tolerated method to measure stress markers in this multicultural cohort. Indigenous young adults experienced a high number of stressful events which was associated with a lowering of fingernail cortisol levels.Lay abstractChronic stress can impact negatively on health and emotional wellbeing. A fingernail sample provided a culturally acceptable, noninvasive method of measuring chronic stress in Indigenous and non-Indigenous young adults. Cortisol levels, a marker of chronic stress, were different between Indigenous and non-Indigenous young adults and were influenced by emotional status and occurrence of multiple stressful events.
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Affiliation(s)
- Belinda Davison
- Menzies School of Health Research, Charles Darwin University, Darwin, Australia
| | - Gurmeet R Singh
- Menzies School of Health Research, Charles Darwin University, Darwin, Australia
- Northern Territory Medical Program, Flinders University, Darwin, Australia
| | - Victor M Oguoma
- Menzies School of Health Research, Charles Darwin University, Darwin, Australia
| | - James McFarlane
- Centre for Bioactive Discovery in Health & Ageing, University of New England, Armidale, Australia
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Herane-Vives A, Arnone D, de Angel V, Papadopoulos A, Wise T, Alameda L, Chua KC, Young AH, Cleare AJ. Cortisol levels in unmedicated patients with unipolar and bipolar major depression using hair and saliva specimens. Int J Bipolar Disord 2020; 8:15. [PMID: 32133545 PMCID: PMC7056775 DOI: 10.1186/s40345-020-0180-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 01/29/2020] [Indexed: 12/19/2022] Open
Abstract
Background Differentiating between unipolar and bipolar depression can be clinically challenging, especially at first presentation. Patterns of cortisol secretion could aid diagnostic discrimination in affective disorders although there has been little comparative research to date. In this study, we investigated acute (saliva) and chronic (hair) cortisol levels concurrently in unmedicated unipolar and bipolar disorders by using conventional diagnostic criteria and self-report measures. Methods Patients with unipolar and bipolar major depression and healthy controls were recruited and assessed. Cortisol levels were extracted from saliva and hair specimens. Depressive features were investigated according to diagnostic groups and with a continuous self-report measure of bipolarity using the Hypomania Checklist (HCL-33). Results Whilst a trend towards a reduction in the total daily salivary cortisol output—area under the curve with respect to the ground (AUCg)—was detected in depressive disorders across diagnosis, the self-administrated bipolarity index suggested that an increase in bipolarity symptoms predicted lower cortisol levels using AUCg. Chronic cortisol measurement did not discriminate unipolar from bipolar depression. Conclusion Results suggested that whilst a low total daily salivary cortisol output (AUCg) might be associated with depressive symptoms, a self-reported measure of bipolarity predicts lower daily cortisol output.
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Affiliation(s)
- Andrés Herane-Vives
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, 103 Denmark Hill, London, SE5 8AF, UK. .,Neuroscience and Mental Health Group, Institute of Cognitive Neuroscience, University College London, London, UK.
| | - Danilo Arnone
- Department of Psychiatry, College of Medicine and Health Sciences, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Valeria de Angel
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, 103 Denmark Hill, London, SE5 8AF, UK
| | - Andrew Papadopoulos
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, 103 Denmark Hill, London, SE5 8AF, UK
| | - Toby Wise
- Neuroscience and Mental Health Group, Institute of Cognitive Neuroscience, University College London, London, UK
| | - Luis Alameda
- Department of Psychosis Studies, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.,Unit for Research in Schizophrenia, Center for Psychiatric Neuroscience, Department of Psychiatry, Lausanne University Hospital (CHUV), Lausanne, Switzerland
| | - Kia-Chong Chua
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, 103 Denmark Hill, London, SE5 8AF, UK
| | - Allan H Young
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, 103 Denmark Hill, London, SE5 8AF, UK
| | - Anthony J Cleare
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology & Neuroscience, King's College London, 103 Denmark Hill, London, SE5 8AF, UK
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25
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Sergiel A, Cattet M, Kapronczai L, Janz DM, Selva N, Bartoń KA, Swenson JE, Zedrosser A. Do follicles matter? Testing the effect of follicles on hair cortisol levels. CONSERVATION PHYSIOLOGY 2020; 8:coaa003. [PMID: 32025304 PMCID: PMC6994724 DOI: 10.1093/conphys/coaa003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/22/2019] [Accepted: 01/06/2020] [Indexed: 05/27/2023]
Abstract
Cortisol concentrations in hair are used increasingly as a biomarker of long-term stress in free-ranging wildlife. Cortisol is believed to be integrated into hair primarily during its active growth phase, typically occurring over weeks to months or longer periods, depending on latitude. Cortisol concentrations in hair thus reflect the activity of the hypothalamic-pituitary-adrenal axis over this time. However, local, independent cortisol secretion within the skin, which includes hair follicles, may also contribute to cortisol levels in growing hair. Methodological differences between studies include the measurement of cortisol in only the hair shaft (i.e. follicle absent, as with shaved hair) versus the whole hair (i.e. follicle present, as with plucked hair). If the concentration of cortisol in the follicle is high enough to influence the overall hair cortisol concentration (HCC), this could confound comparisons between studies using different types of hair samples (hair shafts vs. whole hair) and collection methods. Here, we test the hypothesis that cortisol present in follicles influences HCC. We compared HCC in paired subsamples of hair with and without follicles from 30 free-ranging Scandinavian brown bears (Ursus arctos) and observed significantly greater HCC in samples with follicles present. The effect of follicles remained significant also with sex and age of sampled bears taken into account in a linear mixed model. Finally, we provide an overview of collection methods and types of hair samples used for HCC analysis in 77 studies dealing with stress in wild mammal species. Our findings highlight the need to unify methods of hair collection and preparation to allow for valid comparisons, and to optimize labour input in ecophysiological studies.
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Affiliation(s)
- Agnieszka Sergiel
- Institute of Nature Conservation, Polish Academy of Sciences, Adama Mickiewicza 33, 31120 Krakow, Poland
| | - Marc Cattet
- RGL Recovery Wildlife Health & Veterinary Services, 415 Mount Allison Crescent, Saskatoon, Saskatchewan, S7H 4A6, Canada
- Department of Veterinary Pathology, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan, S7N 5B4, Canada
| | - Luciene Kapronczai
- Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, Saskatchewan, S7N 5B3, Canada
| | - David M Janz
- Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, Saskatchewan, S7N 5B3, Canada
- Department of Veterinary Biomedical Sciences, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan, S7N 5B4, Canada
| | - Nuria Selva
- Institute of Nature Conservation, Polish Academy of Sciences, Adama Mickiewicza 33, 31120 Krakow, Poland
| | - Kamil A Bartoń
- Institute of Nature Conservation, Polish Academy of Sciences, Adama Mickiewicza 33, 31120 Krakow, Poland
| | - Jon E Swenson
- Faculty of Environmental Science and Natural Resource Management, Norwegian University of Life Sciences, Høgskoleveien 12, NO-1432 Ås, Norway
| | - Andreas Zedrosser
- Department of Natural Sciences and Environmental Health, University of South-Eastern Norway, Gullbringvegen 36, 3800 Bø, Norway
- Institute for Wildlife Biology and Game Management, University for Natural Resources and Life Sciences, Gregor-Mendel-Straße 33, 1180 Vienna, Austria
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26
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Franco-Martínez L, Martínez-Subiela S, Cerón JJ, Tecles F, Eckersall PD, Oravcova K, Tvarijonaviciute A. Biomarkers of health and welfare: A One Health perspective from the laboratory side. Res Vet Sci 2019; 128:299-307. [PMID: 31869596 DOI: 10.1016/j.rvsc.2019.12.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 11/22/2019] [Accepted: 12/10/2019] [Indexed: 10/25/2022]
Abstract
A biomarker is any measurement reflecting an interaction between a biological system and a potential hazard, which may be chemical, physical, or biological. The One World, One Health concept established that human and animal health and the environmental state are highly interconnected, sharing common aspects that can be applied globally in these three components. In this paper, we review how the concept of One Health can be applied to biomarkers of health and welfare, with a special focus on five points that can be applied to any biomarker when it is expected to be used to evaluate the human, animal or environmental health. Three of these points are: (1) the different biomarkers that can be used, (2) the different sample types where the biomarkers can be analysed, and (3) the main methods that can be used for their measurement. In addition, we will evaluate two key points needed for adequate use of a biomarker in any situation: (4) a proper analytical validation in the sample that it is going to be used, and (5) a correct selection of the biomarker. It is expected that this knowledge will help to have a broader idea about the use of biomarkers of health and welfare and also will contribute to a better and more accurate use of these biomarkers having in mind their One Health perspective.
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Affiliation(s)
- Lorena Franco-Martínez
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Campus of Excellence Mare Nostrum, University of Murcia, Espinardo, 30100 Murcia, Spain.
| | - Silvia Martínez-Subiela
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Campus of Excellence Mare Nostrum, University of Murcia, Espinardo, 30100 Murcia, Spain.
| | - José Joaquín Cerón
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Campus of Excellence Mare Nostrum, University of Murcia, Espinardo, 30100 Murcia, Spain.
| | - Fernando Tecles
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Campus of Excellence Mare Nostrum, University of Murcia, Espinardo, 30100 Murcia, Spain.
| | - Peter David Eckersall
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Bearsden Rd, Glasgow G61 1QH, UK.
| | - Katarina Oravcova
- Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Bearsden Rd, Glasgow G61 1QH, UK.
| | - Asta Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Analysis (Interlab-UMU), Veterinary School, Campus of Excellence Mare Nostrum, University of Murcia, Espinardo, 30100 Murcia, Spain.
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27
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Kalliokoski O, Jellestad FK, Murison R. A systematic review of studies utilizing hair glucocorticoids as a measure of stress suggests the marker is more appropriate for quantifying short-term stressors. Sci Rep 2019; 9:11997. [PMID: 31427664 PMCID: PMC6701156 DOI: 10.1038/s41598-019-48517-2] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 08/07/2019] [Indexed: 12/11/2022] Open
Abstract
Quantitating glucocorticoids (GCs) in hairs is a popular method for assessing chronic stress in studies of humans and animals alike. The cause-and-effect relationship between stress and elevated GC levels in hairs, sampled weeks later, is however hard to prove. This systematic review evaluated the evidence supporting hair glucocorticoids (hGCs) as a biomarker of stress. Only a relatively small number of controlled studies employing hGC analyses have been published, and the quality of the evidence is compromised by unchecked sources of bias. Subjects exposed to stress mostly demonstrate elevated levels of hGCs, and these concentrations correlate significantly with GC concentrations in serum, saliva and feces. This supports hGCs as a biomarker of stress, but the dataset provided no evidence that hGCs are a marker of stress outside of the immediate past. Only in cases where the stressor persisted at the time of hair sampling could a clear link between stress and hGCs be established.
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Affiliation(s)
- Otto Kalliokoski
- Department of Experimental Medicine, University of Copenhagen, Copenhagen, Denmark.
| | - Finn K Jellestad
- Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway
| | - Robert Murison
- Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway
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28
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Ma H, Li Y, Liang H, Chen S, Pan S, Chang L, Li S, Zhang Y, Liu X, Xu Y, Shao Y, Yang Y, Guo J. Sleep deprivation and a non–24‐h working schedule lead to extensive alterations in physiology and behavior. FASEB J 2019; 33:6969-6979. [DOI: 10.1096/fj.201802727r] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Huan Ma
- Ministry of Education (MOE) Key Laboratory of Gene Function and RegulationSchool of Life SciencesState Key Laboratory of BiocontrolSun Yat-sen UniversityGuangzhouChina
| | - Yunzhen Li
- Ministry of Education (MOE) Key Laboratory of Gene Function and RegulationSchool of Life SciencesState Key Laboratory of BiocontrolSun Yat-sen UniversityGuangzhouChina
| | - Haojian Liang
- Ministry of Education (MOE) Key Laboratory of Gene Function and RegulationSchool of Life SciencesState Key Laboratory of BiocontrolSun Yat-sen UniversityGuangzhouChina
| | - Shijunyin Chen
- Ministry of Education (MOE) Key Laboratory of Gene Function and RegulationSchool of Life SciencesState Key Laboratory of BiocontrolSun Yat-sen UniversityGuangzhouChina
| | - Siyu Pan
- Ministry of Education (MOE) Key Laboratory of Gene Function and RegulationSchool of Life SciencesState Key Laboratory of BiocontrolSun Yat-sen UniversityGuangzhouChina
| | - Lulin Chang
- Ministry of Education (MOE) Key Laboratory of Gene Function and RegulationSchool of Life SciencesState Key Laboratory of BiocontrolSun Yat-sen UniversityGuangzhouChina
- Guangdong Jiangmen Chinese Traditional Medicine CollegeJiangmenChina
| | - Silin Li
- Ministry of Education (MOE) Key Laboratory of Gene Function and RegulationSchool of Life SciencesState Key Laboratory of BiocontrolSun Yat-sen UniversityGuangzhouChina
| | - Ying Zhang
- Eighth Medical CenterGeneral Hospital of Chinese People's Liberation ArmyBeijingChina
| | - Xinyan Liu
- Reproductive Medicine CenterFirst Affiliated Hospital of Sun Yat-sen UniversitySun Yat-sen UniversityGuangzhouChina
| | - Yanwen Xu
- Reproductive Medicine CenterFirst Affiliated Hospital of Sun Yat-sen UniversitySun Yat-sen UniversityGuangzhouChina
| | - Yongcong Shao
- Eighth Medical CenterGeneral Hospital of Chinese People's Liberation ArmyBeijingChina
| | - Yebing Yang
- Sixth Medical CenterGeneral Hospital of Chinese People's Liberation ArmyBeijingChina
| | - Jinhu Guo
- Ministry of Education (MOE) Key Laboratory of Gene Function and RegulationSchool of Life SciencesState Key Laboratory of BiocontrolSun Yat-sen UniversityGuangzhouChina
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29
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Assay validation of hair androgens across the menstrual cycle. Psychoneuroendocrinology 2019; 101:175-181. [PMID: 30469084 DOI: 10.1016/j.psyneuen.2018.10.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 10/26/2018] [Accepted: 10/26/2018] [Indexed: 01/20/2023]
Abstract
INTRODUCTION Saliva is a common noninvasive biofluid for measuring stress and sex hormones, yet one pressing limitation is that salivary hormones fluctuate momentarily, daily, and (for girls) across the menstrual cycle. Hair steroid assays are thought to provide a cumulative index which collapses across hormonal variability, potentially eliminating the confound of daily and menstrual cyclicity and thereby reflecting individual differences in average hormone levels. Here we seek to validate a hair bioassay methodology and test whether hair androgens accurately measure long-term, stable androgen levels in emerging adult women across two menstrual cycles. METHODS Hair samples were collected at the end of each menstrual cycle for two cycles, and saliva samples were collected in the morning once per week across two menstrual cycles (N = 11 women). Hair samples were segmented by 1 cm for the first 4 cm to reflect the hormone levels of the past four serial months. Hair samples were assayed using commercially-available enzyme-immuno-assays for testosterone and DHEA. RESULTS Hair androgen concentrations were significantly correlated with averaged saliva hormone levels (DHEA: r = .75, p < .05; Testosterone: r = .67, p < .05). With respect to hair hormone stability, there were significant correlations for almost all the pairs of two 1 cm hair segments collected in two months that corresponded to the same time period. Hair androgens in one segment were significantly correlated with those in next segment. Regarding salivary androgen stability, the intra-class correlation across the weekly saliva samples indicated that for DHEA 59% of the total variance was within person and 41% was between person; and for testosterone 91% of the total variance was between person, and only 9% within person. DISCUSSION Results suggest that a one-time measure of hair provides a valid and reliable estimate of average steroid levels across two months. Moreover, whereas saliva measures of androgen levels capture week-to-week fluctuations in steroids, hair samples provide information on individual differences in average exposure to steroids, across long periods of time, such as months. Results are encouraging that hair DHEA and testosterone reflects the cumulative hormonal concentration and can be used as a stable hormonal index. Results also indicate that it is feasible to collect the first 3-4 centimeters of hair for studies of stable hormone levels.
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30
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Nery SF, Paiva SPC, Vieira ÉL, Barbosa AB, Sant'Anna EM, Casalechi M, Dela Cruz C, Teixeira AL, Reis FM. Mindfulness-based program for stress reduction in infertile women: Randomized controlled trial. Stress Health 2019; 35:49-58. [PMID: 30328241 DOI: 10.1002/smi.2839] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Revised: 05/30/2018] [Accepted: 09/16/2018] [Indexed: 11/09/2022]
Abstract
Infertile women often experience chronic stress, which may have a negative impact on general well-being and may increase the burden of infertility. In this open-label, parallel, randomized controlled trial, infertile women aged 18-50 years (median 37 years) were assigned to an 8-week mindfulness-based program (MBP) or no intervention. The primary outcome was stress severity measured by the Lipp's Stress Symptoms Inventory (ISSL). Data were analyzed by modified intent-to-treat principle, which included all cases available to follow-up regardless of adherence to the intervention (62 participants from the MBP group and 37 from the control group). The median number of symptoms of chronic stress recorded in the past month decreased from six (interquartile range 2 to 9) before the MBP to two (interquartile range 1 to 4) after the intervention (p < 0.001, repeated measures analysis of variance with Time × Group interaction). Depressive symptoms also decreased after MBP, whereas general well-being improved (p < 0.01 for both outcomes). Hair cortisol and serum brain-derived neurotrophic factor (BDNF) did not change significantly between preintervention and postintervention. None of the outcomes changed significantly in the control group. MBP was effective in reducing stress and depressive symptoms while increasing general well-being in infertile women.
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Affiliation(s)
- Simone F Nery
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Sara P C Paiva
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Érica L Vieira
- Department of Internal Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Andressa B Barbosa
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Edna M Sant'Anna
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maira Casalechi
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cynthia Dela Cruz
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Antônio L Teixeira
- Department of Internal Medicine, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.,Department of Psychiatry and Behavioral Sciences, University of Texas Health Science Center at Houston, Houston, Texas
| | - Fernando M Reis
- Department of Obstetrics and Gynecology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Gong Y, Niu W, Tang Y, Zhang Q, Liu S, Liu X, Wang X, Xu Y. Aggravated mucosal and immune damage in a mouse model of ulcerative colitis with stress. Exp Ther Med 2019; 17:2341-2348. [PMID: 30783488 DOI: 10.3892/etm.2019.7162] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 10/26/2018] [Indexed: 12/12/2022] Open
Abstract
The aim of the present study was to determine the influence of stress on the colonic mucosa and immune system and to further investigate the association between stress and development and pathogenesis of ulcerative colitis (UC). Mice were treated with 2,4,6-trinitrobenzenesulfonic acid to induce an animal model of UC, and stress was induced by water immersion and restraint. Subsequently, the disease activity index (DAI), secretory immunoglobulin A (sIgA), IgA, interleukin (IL)-6 and -8, tumor necrosis factor-α (TNF-α), complement component (C)3 and C4, and alterations in the colonic mucosa were observed. The DAI scores and the expression levels of IL-6, IL-8 and TNF-α significantly increased in the experimental UC mice compared with the control mice, while the expression levels of IgA and sIgA decreased (all P<0.01). DAI and colonic mucosa damage scores increased in the stress-treated mouse models of UC compared with the untreated mouse models of UC (P<0.05). Expression levels of IgA and sIgA decreased, while IL-6, IL-8 and TNF-α further increased in the stress-treated UC mice (P<0.05). The expression levels of C3 and C4 were not affected by stress or UC (P>0.05). These results indicated that UC may be associated with an immune disorder and that stress can aggravate colonic mucosa injury and alter the immune response. Furthermore, stress and immunity may serve roles in the pathogenesis of UC.
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Affiliation(s)
- Yanxia Gong
- Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
| | - Wei Niu
- Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
| | - Yanping Tang
- Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
| | - Qingyu Zhang
- Department of Gastroenterology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Simiao Liu
- Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
| | - Xi Liu
- Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
| | - Xiao Wang
- Department of Oncology, Hebei Provincial Hospital of Traditional Chinese Medicine, Shijiazhuang, Hebei 050011, P.R. China
| | - Yang Xu
- Department of Gastroenterology, Tianjin Nankai Hospital, Tianjin 300100, P.R. China
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Heimbürge S, Kanitz E, Otten W. The use of hair cortisol for the assessment of stress in animals. Gen Comp Endocrinol 2019; 270:10-17. [PMID: 30287191 DOI: 10.1016/j.ygcen.2018.09.016] [Citation(s) in RCA: 158] [Impact Index Per Article: 31.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 09/10/2018] [Accepted: 09/29/2018] [Indexed: 01/08/2023]
Abstract
The hair cortisol concentration (HCC) is assumed to be a retrospective marker of integrated cortisol secretion and stress over longer periods of time. Its quantification is increasingly used in psychoneuroendocrinological studies in humans, but also in animal stress and welfare research. The measurement of HCCs for the assessment of stress offers many considerable benefits for use in domesticated and wild animals, especially due to the easy and minimally invasive sampling procedure and the representation of longer time periods in one sample. This review aims to outline the different fields of application and to assess the applicability and validity of HCC as an indicator for chronic stress or long-term activity of the hypothalamic-pituitary-adrenal axis in wild and domesticated animals. Specific hair characteristics are presented and the advantages and limitations of using HCC are discussed. An overview of findings on the impact of stress- and health-related factors on HCCs and of diverse influencing factors causing variation in hair cortisol levels in different species is given. Recommendations for the use of hair cortisol analysis are proposed and potential fields of future research are pointed out. The studies indicate an effect of age and pregnancy on HCCs, and cortisol incorporation into hair was also found to depend on hair colour, body region, sex and season of year, but these results are less consistent. Furthermore, the results in animals show that a wide array of stressors and pathological conditions alters the cortisol concentrations in hair and that HCC thereby provides a reliable and valid reflection of long-term cortisol secretion in many species. However, more research is necessary to investigate the underlying mechanisms of cortisol incorporation into the hair and to explore the hair growth characteristics in the species of interest. To overcome confounding influences, the use of standardized sampling protocols is strongly advised.
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Affiliation(s)
- Susen Heimbürge
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Behavioural Physiology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Ellen Kanitz
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Behavioural Physiology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Winfried Otten
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Behavioural Physiology, Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany.
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Somerville LH, Bookheimer SY, Buckner RL, Burgess GC, Curtiss SW, Dapretto M, Elam JS, Gaffrey MS, Harms MP, Hodge C, Kandala S, Kastman EK, Nichols TE, Schlaggar BL, Smith SM, Thomas KM, Yacoub E, Van Essen DC, Barch DM. The Lifespan Human Connectome Project in Development: A large-scale study of brain connectivity development in 5-21 year olds. Neuroimage 2018; 183:456-468. [PMID: 30142446 DOI: 10.1016/j.neuroimage.2018.08.050] [Citation(s) in RCA: 147] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Revised: 08/18/2018] [Accepted: 08/20/2018] [Indexed: 12/14/2022] Open
Abstract
Recent technological and analytical progress in brain imaging has enabled the examination of brain organization and connectivity at unprecedented levels of detail. The Human Connectome Project in Development (HCP-D) is exploiting these tools to chart developmental changes in brain connectivity. When complete, the HCP-D will comprise approximately ∼1750 open access datasets from 1300 + healthy human participants, ages 5-21 years, acquired at four sites across the USA. The participants are from diverse geographical, ethnic, and socioeconomic backgrounds. While most participants are tested once, others take part in a three-wave longitudinal component focused on the pubertal period (ages 9-17 years). Brain imaging sessions are acquired on a 3 T Siemens Prisma platform and include structural, functional (resting state and task-based), diffusion, and perfusion imaging, physiological monitoring, and a battery of cognitive tasks and self-reports. For minors, parents additionally complete a battery of instruments to characterize cognitive and emotional development, and environmental variables relevant to development. Participants provide biological samples of blood, saliva, and hair, enabling assays of pubertal hormones, health markers, and banked DNA samples. This paper outlines the overarching aims of the project, the approach taken to acquire maximally informative data while minimizing participant burden, preliminary analyses, and discussion of the intended uses and limitations of the dataset.
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Affiliation(s)
- Leah H Somerville
- Department of Psychology, Harvard University, Cambridge, MA, USA; Center for Brain Science, Harvard University, Cambridge, MA, USA.
| | - Susan Y Bookheimer
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, University of California, Los Angeles, CA, USA
| | - Randy L Buckner
- Department of Psychology, Harvard University, Cambridge, MA, USA; Center for Brain Science, Harvard University, Cambridge, MA, USA; Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA; Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Gregory C Burgess
- Department of Psychiatry, Washington University Medical School, St. Louis, MO, USA
| | - Sandra W Curtiss
- Department of Neuroscience, Washington University Medical School, St. Louis, MO, USA
| | - Mirella Dapretto
- Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine at UCLA, University of California, Los Angeles, CA, USA
| | - Jennifer Stine Elam
- Department of Neuroscience, Washington University Medical School, St. Louis, MO, USA
| | - Michael S Gaffrey
- Department of Psychiatry, Washington University Medical School, St. Louis, MO, USA
| | - Michael P Harms
- Department of Psychiatry, Washington University Medical School, St. Louis, MO, USA
| | - Cynthia Hodge
- Department of Psychiatry, Washington University Medical School, St. Louis, MO, USA
| | - Sridhar Kandala
- Department of Psychiatry, Washington University Medical School, St. Louis, MO, USA
| | - Erik K Kastman
- Department of Psychology, Harvard University, Cambridge, MA, USA; Center for Brain Science, Harvard University, Cambridge, MA, USA
| | - Thomas E Nichols
- Oxford Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, Nuffield Department of Population Health, University of Oxford, Oxford, UK; Department of Statistics, University of Warwick, Coventry, UK; Wellcome Centre for Integrative Neuroimaging, Oxford Centre for Functional Magnetic Resonance Imaging of the Brain (FMRIB), Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Bradley L Schlaggar
- Department of Psychiatry, Washington University Medical School, St. Louis, MO, USA; Department of Neuroscience, Washington University Medical School, St. Louis, MO, USA; Department of Neurology, Washington University Medical School, St. Louis, MO, USA; Department of Pediatrics, Washington University Medical School, St. Louis, MO, USA; Department of Radiology, Washington University Medical School, St. Louis, MO, USA
| | - Stephen M Smith
- Wellcome Centre for Integrative Neuroimaging, Oxford Centre for Functional Magnetic Resonance Imaging of the Brain (FMRIB), Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Kathleen M Thomas
- Institute of Child Development, University of Minnesota, Minneapolis, MN, USA
| | - Essa Yacoub
- Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, USA
| | - David C Van Essen
- Department of Neuroscience, Washington University Medical School, St. Louis, MO, USA
| | - Deanna M Barch
- Department of Psychiatry, Washington University Medical School, St. Louis, MO, USA; Department of Radiology, Washington University Medical School, St. Louis, MO, USA; Department of Psychological and Brain Sciences, Washington University in St. Louis, St. Louis, MO, USA
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Phillips KA, Tukan AN, Rigodanzo AD, Reusch RT, Brasky KM, Meyer JS. Quantification of hair cortisol concentration in common marmosets (Callithrix jacchus) and tufted capuchins (Cebus apella). Am J Primatol 2018; 80:e22879. [PMID: 29862532 PMCID: PMC6481164 DOI: 10.1002/ajp.22879] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 05/20/2018] [Accepted: 05/21/2018] [Indexed: 12/19/2022]
Abstract
Quantifying cortisol concentration in hair is a non-invasive biomarker of long-term hypothalamic-pituitary-adrenal (HPA) activation, and thus can provide important information on laboratory animal health. Marmosets (Callithrix jacchus) and capuchins (Cebus apella) are New World primates increasingly used in biomedical and neuroscience research, yet published hair cortisol concentrations for these species are limited. Review of the existing published hair cortisol values from marmosets reveals highly discrepant values and the use of variable techniques for hair collection, processing, and cortisol extraction. In this investigation we utilized a well-established, standardized protocol to extract and quantify cortisol from marmoset (n = 12) and capuchin (n = 4) hair. Shaved hair samples were collected from the upper thigh during scheduled exams and analyzed via methanol extraction and enzyme immunoassay. In marmosets, hair cortisol concentration ranged from 2,710 to 6,267 pg/mg and averaged 4,070 ± 304 pg/mg. In capuchins, hair cortisol concentration ranged from 621 to 2,089 pg/mg and averaged 1,092 ± 338 pg/mg. Hair cortisol concentration was significantly different between marmosets and capuchins, with marmosets having higher concentrations than capuchins. The incorporation of hair cortisol analysis into research protocols provides a non-invasive measure of HPA axis activity over time, which offers insight into animal health. Utilization of standard protocols across laboratories is essential to obtaining valid measurements and allowing for valuable future cross-species comparisons.
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Affiliation(s)
- Kimberley A. Phillips
- Department of Psychology, Trinity University, San Antonio Texas 78212
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio Texas 78227
| | - Alyson N. Tukan
- Department of Psychology, Trinity University, San Antonio Texas 78212
| | - Anna D. Rigodanzo
- Department of Psychology, Trinity University, San Antonio Texas 78212
| | - Ryan T. Reusch
- Department of Psychology, Trinity University, San Antonio Texas 78212
| | - Kathleen M. Brasky
- Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio Texas 78227
| | - Jerrold S. Meyer
- Department of Psychological and Brain Sciences, University of Massachusetts – Amherst, Amherst, Massachusetts
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Stubsjøen SM, Sørheim K, Chincarini M, Bohlin J, Brunberg E, Fuchs B, Palme R, Grøva L. Exploring hair cortisone concentration as a novel tool to assess chronic stress in sheep with tick-borne fever. Small Rumin Res 2018. [DOI: 10.1016/j.smallrumres.2018.05.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Tallo-Parra O, Carbajal A, Monclús L, Manteca X, Lopez-Bejar M. Hair cortisol and progesterone detection in dairy cattle: interrelation with physiological status and milk production. Domest Anim Endocrinol 2018; 64:1-8. [PMID: 29655036 DOI: 10.1016/j.domaniend.2018.02.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 01/08/2018] [Accepted: 02/10/2018] [Indexed: 12/26/2022]
Abstract
Hair cortisol concentrations (HCCs) and hair progesterone concentrations (HPCs) allow monitoring long-term retrospective steroid levels. However, there are still gaps in the knowledge of the mechanisms of steroid deposition in hair and its potential application in dairy cattle research. This study aimed to evaluate the potential uses of hair steroid determinations by studying the interrelations between HCC, HPC, physiological data from cows, and their milk production and quality. Cortisol and progesterone concentrations were analyzed in hair from 101 milking Holstein Friesian cows in a commercial farm. Physiological data were obtained from the 60 d prior to hair collection. Moreover, productive data from the month when hair was collected and the previous one were also obtained as well as at 124 d after hair sampling. Significant but weak correlations were found between HCC and HPC (r = 0.25, P < 0.0001) and between HPC and age (r = 0.06, P = 0.0133). High HCC were associated with low milk yields from the 2 previous months to hair sampling (P = 0.0396) and during the whole lactation (P < 0.0001). High HCC were also related to high somatic cell count (P = 0.0241). No effect of HCC on fat or protein content was detected. No significant correlations were detected between hair steroid concentrations and pregnancy status, days of gestation, parturition category (primiparous vs multiparous), number of lactations or days in milk. The relationship between physiological variables and HCC or HPC could depend on the duration of the time period over which hair accumulates hormones. Steroid concentrations in hair present high variability between individuals but are a potential tool for dairy cattle welfare and production research by providing a useful and practical tool for long-term steroid monitoring.
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Affiliation(s)
- O Tallo-Parra
- Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain; Department of Animal and Food Science, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - A Carbajal
- Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - L Monclús
- Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - X Manteca
- Department of Animal and Food Science, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - M Lopez-Bejar
- Department of Animal Health and Anatomy, Veterinary Faculty, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
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Herane-Vives A, de Angel V, Papadopoulos A, Wise T, Chua KC, Strawbridge R, Castillo D, Arnone D, Young AH, Cleare AJ. Short-term and long-term measures of cortisol in saliva and hair in atypical and non-atypical depression. Acta Psychiatr Scand 2018; 137:216-230. [PMID: 29397570 DOI: 10.1111/acps.12852] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/20/2017] [Indexed: 12/15/2022]
Abstract
BACKGROUND Atypical depression may show lowered rather than raised short-term cortisol levels. Atypical major depressive episodes (A-MDE) may also be more closely linked to environmental factors and show overlap with somatic symptom disorders. Hair specimens allow measuring long-term cortisol levels. METHODS Twenty-seven A-MDE and 44 NA-MDE patients and 40 matched controls were tested. Measures of hair cortisol concentration [HCC] covering the previous 3 months and short-term cortisol parameters (six saliva specimens to assess the cortisol awakening response [CAR] and total daily cortisol output calculated as the area under the curve [AUCg]) were taken alongside measures of environmental factors and clinical variables. RESULTS There were no differences in HCC between the three groups (P = 0.8), and no difference in the CAR (P = 0.95). However, A-MDE showed lowered short-term cortisol output (AUCg) compared to controls (P = 0.04). A-MDE patients also reported a higher number of daily hassles, and higher levels of fatigue and impaired concentration than NA-MDE. CONCLUSIONS Normal long-term (HCC) and reduced short-term (AUCg) cortisol levels in A-MDE could suggest a disrupted long-term cortisol rhythm, perhaps affected by environmental factors or by certain symptoms, such as mid-nocturnal insomnia. However, other underlying explanations for these findings should also be investigated in the future.
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Affiliation(s)
- A Herane-Vives
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK.,Departamento de Clínicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
| | - V de Angel
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - A Papadopoulos
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - T Wise
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - K-C Chua
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - R Strawbridge
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - D Castillo
- Instituto Psiquiátrico José Horwitz Barak, Santiago, Chile
| | - D Arnone
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - A H Young
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - A J Cleare
- Department of Psychological Medicine, Affective Disorders Research Group, Centre for Affective Disorders, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
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Sankhala D, Muthukumar S, Prasad S. A Four-Channel Electrical Impedance Spectroscopy Module for Cortisol Biosensing in Sweat-Based Wearable Applications. SLAS Technol 2018; 23:529-539. [PMID: 29447045 DOI: 10.1177/2472630318759257] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
A four-channel electrochemical impedance spectroscopy (EIS) analyzer module has been demonstrated on flexible chemi-impedance sensors fabricated with gold electrodes for wearable applications. The module can perform time division multiplexed (TDM) impedance measurements on four sensors at 1 kHz. In this work, we characterize the system for the detection of cortisol in an ultralow volume (1-3 µL) of perspired human sweat, sensor performance, and effects during continuous cortisol dosing and with pH and temperature variations expected on the surface of the skin that would be representative of use conditions as seen by a wearable device. Detection of cortisol was shown for concentrations of 1 pg/mL to 200 ng/mL in both synthetic and perspired human sweat, and output response reported as a change in impedance with varying cortisol concentrations. Continuous dose testing was performed to demonstrate the stability of the sensors over prolonged periods of operation for cortisol concentrations within the physiologically relevant range of 10-200 ng/mL reported in human sweat. Temperature and pH effects testing was performed for pH range 4-8 and in a temperature chamber for the clinical range reported on the surface of human skin: 25-40 °C. The cortisol sensor demonstrated stability of operation with 7.58% variability under these conditions.
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Affiliation(s)
- Devangsingh Sankhala
- 1 Department of Electrical Engineering, The University of Texas at Dallas, Richardson, TX, USA
| | | | - Shalini Prasad
- 3 Department of Bioengineering, The University of Texas at Dallas, Richardson, TX, USA
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40
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Cattet M, Stenhouse GB, Boulanger J, Janz DM, Kapronczai L, Swenson JE, Zedrosser A. Can concentrations of steroid hormones in brown bear hair reveal age class? CONSERVATION PHYSIOLOGY 2018; 6:coy001. [PMID: 29399362 PMCID: PMC5788069 DOI: 10.1093/conphys/coy001] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 12/17/2017] [Accepted: 01/05/2018] [Indexed: 06/01/2023]
Abstract
Although combining genetic and endocrine data from non-invasively collected hair samples has potential to improve the conservation of threatened mammals, few studies have evaluated this opportunity. In this study, we determined if steroid hormone (testosterone, progesterone, estradiol and cortisol) concentration profiles in 169 hair samples collected from free-ranging brown bears (Ursus arctos) could be used to accurately discriminate between immature and adult bears within each sex. Because hair samples were acquired opportunistically, we also needed to establish if interactions between hormones and several non-hormone factors (ordinal day, year, contact method, study area) were associated with age class. For each sex, we first compared a suite of candidate models by Akaike Information Criteria model selection, using different adult-age thresholds (3, 4 and 5 years), to determine the most supported adult age. Because hair hormone levels better reflect the endocrine state at an earlier time, possibly during the previous year, then at the time of sampling, we re-analysed the data, excluding the records for bears at the adult-age threshold, to establish if classification accuracy improved. For both sexes, candidate models were most supported based on a 3-year-old adult-age threshold. Classification accuracy did not improve with the 3-year-old bear data excluded. Male age class was predicted with a high degree of accuracy (88.4%) based on the concomitant concentrations of all four hormones. Female age class was predicted with less accuracy (77.1%) based only on testosterone and cortisol. Accuracy was reduced for females, primarily because we had poor success in correctly classifying immature bears (60%) whereas classification success for adult females was similar to that for males (84.5%). Given the small and unbalanced sample used in this study, our findings should be viewed as preliminary, but they should also provide a basis for more comprehensive future studies.
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Affiliation(s)
- Marc Cattet
- RGL Recovery Wildlife Health & Veterinary Services, 415 Mount Allison Crescent, Saskatoon, Saskatchewan S7H 4A6, Canada
- Department of Veterinary Pathology, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4, Canada
| | - Gordon B Stenhouse
- fRI Research and Alberta Environment and Parks, 1176 Switzer Drive, Hinton, Alberta T7V 1X6, Canada
| | - John Boulanger
- Integrated Ecological Research, 924 Innes Street, Nelson, British Columbia V1L 5T2, Canada
| | - David M Janz
- Department of Veterinary Biomedical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, 52 Campus Drive, Saskatoon, Saskatchewan S7N 5B4, Canada
| | - Luciene Kapronczai
- Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, Saskatchewan S7N 5B3, Canada
| | - Jon E Swenson
- Faculty of Environmental Sciences and Nature Resource Management, Norwegian University of Life Sciences, PO Box 5003, NO-1432 Ås, Norway and Norwegian Institute for Nature Research, Høgskoleringen 9, 7034 Trondheim, Norway
| | - Andreas Zedrosser
- Department of Natural Sciences and Environmental Health, Telemark University College of Southeast Norway, NO-3800 Bø i Telemark, Norway
- Department for Integrative Biology, Institute for Wildlife Biology and Game Management, University for Natural Resources and Life Sciences, Vienna A-1180, Austria
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41
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Contact to Nature Benefits Health: Mixed Effectiveness of Different Mechanisms. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 15:ijerph15010031. [PMID: 29295586 PMCID: PMC5800131 DOI: 10.3390/ijerph15010031] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 12/05/2017] [Accepted: 12/12/2017] [Indexed: 12/29/2022]
Abstract
How can urban nature contribute to the reduction of chronic stress? We twice measured the concentration of the “stress hormone” cortisol in the hair of 85 volunteer gardeners (six months apart), relating cortisol level change to (self-reported) characteristics of their recreational activities. Both time spent in nature and physical activity led to decreases in cortisol, while time spent being idle led to an increase. At high levels of present stressors, however, the relationship for time spent in nature and for idleness was reversed. Time spent with social interaction had no effect on cortisol levels. Our results indicate that physical activity is an effective means of mitigating the negative effects of chronic stress. The results regarding the time spent in nature and time spent being idle are less conclusive, suggesting the need for more research. We conclude that if chronic stress cannot be abolished by eradicating its sources, public health may take to measures to reduce it—providing urban nature being one effective possibility.
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Uetake K, Morita S, Sakagami N, Yamamoto K, Hashimura S, Tanaka T. Hair cortisol levels of lactating dairy cows in cold- and warm-temperate regions in Japan. Anim Sci J 2017; 89:494-497. [DOI: 10.1111/asj.12934] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 08/24/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Katsuji Uetake
- School of Veterinary Medicine; Azabu University; Sagamihara Japan
| | - Shigeru Morita
- College of Agriculture, Food and Environmental Sciences; Rakuno Gakuen University; Ebetsu Japan
| | - Nobutada Sakagami
- Kanagawa Prefectural Livestock Industry Technology Center; Ebina Japan
| | - Kazuaki Yamamoto
- Kanagawa Prefectural Livestock Industry Technology Center; Ebina Japan
| | - Shinji Hashimura
- Kanagawa Prefectural Livestock Industry Technology Center; Ebina Japan
| | - Toshio Tanaka
- School of Veterinary Medicine; Azabu University; Sagamihara Japan
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Rakotoniaina JH, Kappeler PM, Kaesler E, Hämäläinen AM, Kirschbaum C, Kraus C. Hair cortisol concentrations correlate negatively with survival in a wild primate population. BMC Ecol 2017; 17:30. [PMID: 28859635 PMCID: PMC5579956 DOI: 10.1186/s12898-017-0140-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 08/03/2017] [Indexed: 12/22/2022] Open
Abstract
Background Glucocorticoid hormones are known to play a key role in mediating a cascade of physiological responses to social and ecological stressors and can therefore influence animals’ behaviour and ultimately fitness. Yet, how glucocorticoid levels are associated with reproductive success or survival in a natural setting has received little empirical attention so far. Here, we examined links between survival and levels of glucocorticoid in a small, short-lived primate, the grey mouse lemur (Microcebus murinus), using for the first time an indicator of long-term stress load (hair cortisol concentration). Using a capture-mark-recapture modelling approach, we assessed the effect of stress on survival in a broad context (semi-annual rates), but also under a specific period of high energetic demands during the reproductive season. We further assessed the power of other commonly used health indicators (body condition and parasitism) in predicting survival outcomes relative to the effect of long-term stress. Results We found that high levels of hair cortisol were associated with reduced survival probabilities both at the semi-annual scale and over the reproductive season. Additionally, very good body condition (measured as scaled mass index) was related to increased survival at the semi-annual scale, but not during the breeding season. In contrast, variation in parasitism failed to predict survival. Conclusion Altogether, our results indicate that long-term increased glucocorticoid levels can be related to survival and hence population dynamics, and suggest differential strength of selection acting on glucocorticoids, body condition, and parasite infection. Electronic supplementary material The online version of this article (doi:10.1186/s12898-017-0140-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Josué H Rakotoniaina
- Department of Sociobiology/Anthropology, Georg-August University of Göttingen, Kellnerweg 6, 37077, Göttingen, Germany. .,Behavioral Ecology and Sociobiology Unit, Deutsches Primatenzentrum, Kellnerweg 4, 37077, Göttingen, Germany.
| | - Peter M Kappeler
- Department of Sociobiology/Anthropology, Georg-August University of Göttingen, Kellnerweg 6, 37077, Göttingen, Germany.,Behavioral Ecology and Sociobiology Unit, Deutsches Primatenzentrum, Kellnerweg 4, 37077, Göttingen, Germany
| | - Eva Kaesler
- Behavioral Ecology and Sociobiology Unit, Deutsches Primatenzentrum, Kellnerweg 4, 37077, Göttingen, Germany
| | - Anni M Hämäläinen
- Department of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada
| | - Clemens Kirschbaum
- Department of Psychology, TU Dresden, Andreas-Schubert-Bau, Zellescher Weg 19, 01069, Dresden, Germany
| | - Cornelia Kraus
- Department of Sociobiology/Anthropology, Georg-August University of Göttingen, Kellnerweg 6, 37077, Göttingen, Germany
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Peric T, Corazzin M, Romanzin A, Bovolenta S, Prandi A, Montillo M, Comin A. Cortisol and DHEA concentrations in the hair of dairy cows managed indoor or on pasture. Livest Sci 2017. [DOI: 10.1016/j.livsci.2017.05.020] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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45
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Peters EMJ, Müller Y, Snaga W, Fliege H, Reißhauer A, Schmidt-Rose T, Max H, Schweiger D, Rose M, Kruse J. Hair and stress: A pilot study of hair and cytokine balance alteration in healthy young women under major exam stress. PLoS One 2017; 12:e0175904. [PMID: 28423056 PMCID: PMC5397031 DOI: 10.1371/journal.pone.0175904] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Accepted: 04/02/2017] [Indexed: 12/25/2022] Open
Abstract
Mouse models show that experimental stress mimicking prolonged life-stress exposure enhances neurogenic inflammation, induces adaptive immunity cytokine-imbalance characterized by a shift to Type 1 T-helper cell cytokines and increases apoptosis of epithelial cells. This affects hair growth in otherwise healthy animals. In this study, we investigate whether a prolonged naturalistic life-stress exposure affects cytokine balance and hair parameters in healthy humans. 33 (18 exam, 15 comparison) female medical students with comparable sociobiological status were analyzed during a stressful final examination period, at three points in time (T) 12 weeks apart. T1 was before start of the learning period, T2 between the three-day written exam and an oral examination, and T3 after a 12 week rest and recovery from the stress of the examination period. Assessments included: self-reported distress and coping strategies (Perceived Stress Questionnaire [PSQ], Trier Inventory for the Assessment of Chronic Stress [TICS]), COPE), cytokines in supernatants of stimulated peripheral blood mononucleocytes (PBMCs), and trichogram (hair cycle and pigmentation analysis). Comparison between students participating in the final medical exam at T2 and non-exam students, revealed significantly higher stress perception in exam students. Time-wise comparison revealed that stress level, TH1/TH2 cytokine balance and hair parameters changed significantly from T1 to T2 in the exam group, but not the control. However, no group differences were found for cytokine balance or hair parameters at T2. The study concludes that in humans, naturalistic stress, as perceived during participation in a major medical exam, has the potential to shift the immune response to TH1 and transiently hamper hair growth, but these changes stay within a physiological range. Findings are instructive for patients suffering from hair loss in times of high stress. Replication in larger and more diverse sample populations is required, to assess suitability of trichogram analysis as biological outcome for stress studies.
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Affiliation(s)
- Eva M. J. Peters
- Universitätsmedizin Charité, Center 12 for Internal Medicine and Dermatology, Division for General Internal Medicine, Psychosomatics and Psychotherapy: Psycho-Neuro-Immunology Skin Research Group, Berlin, Germany
- Justus-Liebig-University, Department of Psychosomatics and Psychotherapy, Psychoneuroimmunology Laboratory, Gießen, Germany
- * E-mail:
| | - Yvonne Müller
- Justus-Liebig-University, Department of Psychosomatics and Psychotherapy, Psychoneuroimmunology Laboratory, Gießen, Germany
| | - Wenke Snaga
- Universitätsmedizin Charité, Center 12 for Internal Medicine and Dermatology, Division for General Internal Medicine, Psychosomatics and Psychotherapy: Psycho-Neuro-Immunology Skin Research Group, Berlin, Germany
| | - Herbert Fliege
- Foreign Office, Health Service, Psychosocial Counseling, Auswärtiges Amt, Berlin, Germany
| | - Anett Reißhauer
- Universitätsmedizin Charité, Center 12 for Internal Medicine and Dermatology, Division for Physical Medicine and Rehabilitation, Berlin, Germany
| | | | | | | | - Matthias Rose
- Universitätsmedizin Charité, Center 12 for Internal Medicine and Dermatology, Division for General Internal Medicine, Psychosomatics and Psychotherapy: Psycho-Neuro-Immunology Skin Research Group, Berlin, Germany
| | - Johannes Kruse
- Justus-Liebig-University, Department of Psychosomatics and Psychotherapy, Psychoneuroimmunology Laboratory, Gießen, Germany
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46
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Uarquin DG, Meyer JS, Cardenas FP, Rojas MJ. Effect of Overcrowding on Hair Corticosterone Concentrations in Juvenile Male Wistar Rats. JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE : JAALAS 2016; 55:749-755. [PMID: 27931312 PMCID: PMC5113875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 12/01/2015] [Accepted: 04/06/2016] [Indexed: 06/06/2023]
Abstract
In many species, chronic stress due to overcrowding during the juvenile period triggers several metabolic and behavioral pathologies in adulthood. The aim of this study was to determine whether a chronic stress condition (overcrowding) induces changes in plasma and hair corticosterone concentrations, overall growth, and organ weights in young Wistar rats. The experimental subjects were divided into 2 groups (control and overcrowded); the overcrowded subjects were exposed to overcrowding during days 38 through 65 after birth. Plasma and hair corticosterone concentrations were higher in overcrowded rats compared with control subjects. In addition, overcrowding reduced body and organ weight gains. These results demonstrate that measuring the concentration of corticosterone in hair samples is an effective, noninvasive method for monitoring chronic stress in rats.
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Affiliation(s)
- Duvn G Uarquin
- School of Medicine, Universidad Nacional de Colombia, Bogot, Colombia
| | - Jerrold S Meyer
- Neuroscience and Behavior Program, Department of Psychological and Brain Sciences, University of Massachusetts, Amherst, Massachusetts
| | - Fernando P Cardenas
- Neuroscience and Behavior Laboratory, Department of Psychology, Universidad de Los Andes, Bogot, Colombia
| | - Manuel J Rojas
- Departament of Animal Health, Faculty of Veterinary Medicine and Animal Science, Universidad Nacional de Colombia, Bogot, Colombia;,
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Abell JG, Stalder T, Ferrie JE, Shipley MJ, Kirschbaum C, Kivimäki M, Kumari M. Assessing cortisol from hair samples in a large observational cohort: The Whitehall II study. Psychoneuroendocrinology 2016; 73:148-156. [PMID: 27498290 PMCID: PMC5052124 DOI: 10.1016/j.psyneuen.2016.07.214] [Citation(s) in RCA: 106] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 06/21/2016] [Accepted: 07/20/2016] [Indexed: 01/11/2023]
Abstract
Hair cortisol concentrations (HCC) have been suggested to reflect long-term integrated cortisol levels, but most evidence of associations with co-variates is from small samples of healthy volunteers. The objective of this study was to describe the collection of hair samples in a large cohort study and report associations of demographic and health measures with HCC. We examined HCC measured from the 3cm hair segment near the scalp in 3507 participants (aged 59-83y) from The Whitehall II occupational cohort study of British civil servants. Hair samples were analysed using a column switching LC-APCI-MS/MS assay. Findings from mutually adjusted linear regression analyses revealed lower HCC in participants who reported use of hair dye [% difference (95%CI); -12.5 (-22.0, -1.9), p value=0.022] and evidence suggestive of differences by length of sample storage and seasonal variation. With regard to demographic variables, HCC was lower in women compared to men [-17.0 (-24.8, -8.4), p value <0.001] and higher in Black compared to other ethnic groups. Prevalent diabetes, use of systemic corticosteroids and cardiovascular medication were independently associated with higher HCC. With regard to health, depressive symptoms were associated with higher HCC [20.0 (8.1, 33.3), p value=0.001] following adjustment for physical disease and medication. We conclude that hair steroid analysis presents significant opportunities for assessing cortisol in large scale cohorts. Demographic factors, sample storage, season of collection and hair characteristics should be considered in future analyses. Health status, both mental and physical, is linked to HCC.
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Affiliation(s)
- Jessica G. Abell
- University College London, Department of Epidemiology and Public Health, London, UK,Corresponding author at: Research Associate, University College London, Department of Epidemiology and Public Health, London, UK.University College LondonDepartment of Epidemiology and Public HealthLondonUK
| | | | - Jane E. Ferrie
- University College London, Department of Epidemiology and Public Health, London, UK,School of Social and Community Medicine, University of Bristol, UK
| | - Martin J. Shipley
- University College London, Department of Epidemiology and Public Health, London, UK
| | | | - Mika Kivimäki
- University College London, Department of Epidemiology and Public Health, London, UK.
| | - Meena Kumari
- University College London, Department of Epidemiology and Public Health, London, UK; Institute for Social and Economic Research, University of Essex, UK.
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48
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Gao W, Kirschbaum C, Grass J, Stalder T. LC-MS based analysis of endogenous steroid hormones in human hair. J Steroid Biochem Mol Biol 2016; 162:92-9. [PMID: 26718873 DOI: 10.1016/j.jsbmb.2015.12.022] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Revised: 12/15/2015] [Accepted: 12/17/2015] [Indexed: 01/19/2023]
Abstract
The quantification of endogenous steroid hormone concentrations in hair is increasingly used as a method for obtaining retrospective information on long-term integrated hormone exposure. Several different analytical procedures have been employed for hair steroid analysis, with liquid chromatography-mass spectrometry (LC-MS) being recognized as a particularly powerful analytical tool. Several methodological aspects affect the performance of LC-MS systems for hair steroid analysis, including sample preparation and pretreatment, steroid extraction, post-incubation purification, LC methodology, ionization techniques and MS specifications. Here, we critically review the differential value of such protocol variants for hair steroid hormones analysis, focusing on both analytical quality and practical feasibility issues. Our results show that, when methodological challenges are adequately addressed, LC-MS protocols can not only yield excellent sensitivity and specificity but are also characterized by relatively simple sample processing and short run times. This makes LC-MS based hair steroid protocols particularly suitable as a high-quality option for routine application in research contexts requiring the processing of larger numbers of samples.
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Affiliation(s)
- Wei Gao
- TU Dresden, Department of Psychology, Dresden, Germany
| | | | - Juliane Grass
- TU Dresden, Department of Psychology, Dresden, Germany
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49
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Diebig M, Bormann KC, Rowold J. A double-edged sword: Relationship between full-range leadership behaviors and followers' hair cortisol level. LEADERSHIP QUARTERLY 2016. [DOI: 10.1016/j.leaqua.2016.04.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Associations between hair cortisol concentration, income, income dynamics and status incongruity in healthy middle-aged women. Psychoneuroendocrinology 2016; 67:182-8. [PMID: 26923848 PMCID: PMC4821175 DOI: 10.1016/j.psyneuen.2016.02.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 02/09/2016] [Accepted: 02/10/2016] [Indexed: 12/30/2022]
Abstract
A body of research demonstrates that financial disadvantage is associated with general health inequalities and higher mortality rates. Most studies make use of cross-sectional analyses, although income can also be viewed as a dynamic concept. The use of endocrine-markers as proxies for health can provide information about the pathways involved in these associations. Hair cortisol analysis has been developed as a method for assessing sustained cortisol output as it provides an estimate of cumulative cortisol secretion over a prolonged time. The present study assessed income and income trajectory over a 4-year period in 164 working women (aged 26-65) in relation to hair cortisol in a longitudinal design. A negative association between hair cortisol and concurrent income was found (p=0.025) and hair cortisol and changes in income over 4 years (p<0.001), after adjustment for age, BMI, smoking status, hair treatment and country. Status incongruity, a mismatch between educational status and income group, was related to higher cortisol levels compared with status congruity (p=0.009). These findings suggest that psychoneuroendocrinological pathways might partially explain the relationship between lower socio-economic status and adverse health outcomes. Future longitudinal research using hair cortisol analysis is warranted to clarify the time course of social mobility in relation to long-term cortisol, to investigate other underlying psychosocial factors implicated in these associations, and to determine the exact health implications of the neuroendocrine perturbations in individuals with limited economic resources.
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