Loss of capacity to elevate plasma cortisol in rainbow trout (<i>Oncorhynchus mykiss</i>) treated with a single injection of <i>o,p</i>′‐dichlorodiphenyldichloroethane

Benguira, Sandrine; Leblond, Vincent S.; Weber, Jean-Philippe; Hontela, Alice

doi:10.1002/etc.5620210830

Cited by 12 publications

(1 citation statement)

References 27 publications

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“…Concerning pesticides, one study intraperitoneally exposed rainbow trout ( Oncorhynchus mykiss ) juveniles to 5, 20, or 50 mg·kg −1 body weight to the organochlorine endosulfan [ 97 ]. The authors reported decreased liver glycogen reserves and plasma cortisol concentrations, while two in vitro assessments conducted in head kidney cell cultures obtained from the same species following exposure to 18–366 μmol·L −1 endosulfan reported disruption of ACTH stimulated cortisol secretion [ 98 , 99 ].…”

Section: Cortisol In Fish As a Response Towards Organic Pollutantsmentioning

confidence: 99%

Cortisol as a Stress Indicator in Fish: Sampling Methods, Analytical Techniques, and Organic Pollutant Exposure Assessments

Lemos,

Angarica,

Hauser-Davis

et al. 2023

IJERPH

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Cortisol is the main glucocorticoid released during stress responses in most fish and has been employed to investigate different stressors, including organic pollutants. This review discusses shifts in cortisol concentrations and examines different matrix sampling methods (invasive vs. minimally or non-invasive) and the main analytical cortisol determination techniques (immunoassays and liquid chromatography-tandem mass spectrometry). Assessments on organic pollutant exposure in fish and associated adverse effects are also discussed. Studies in this regard may aid in identifying organic pollutant toxicological modes of action, mechanistic response, toxicokinetics, and toxicodynamics, as well as pollution sources and associated health risks in fish, ultimately aiding in the development of effective management strategies to mitigate the impacts of organic pollutants on fish populations and their associated ecosystems.

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Section: Cortisol In Fish As a Response Towards Organic Pollutantsmentioning

confidence: 99%

Cortisol as a Stress Indicator in Fish: Sampling Methods, Analytical Techniques, and Organic Pollutant Exposure Assessments

Lemos,

Angarica,

Hauser-Davis

et al. 2023

IJERPH

View full text Add to dashboard Cite

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Social Inequalities and the Road to Allostatic Load: From Vulnerability to Resilience

Juster

Seeman

McEwen

et al. 2016

Developmental Psychopathology

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Vulnerability and resilience are intertwined yet unraveling constructs in the allostatic load literature centered on stress‐disease pathways. In examining this paradigm shift, this chapter focuses on allostatic load indices of multisystemic physiological dysregulations among marginalized populations. Social inequalities reviewed include early adversity, socioeconomic health gradients, race/ethnicity and discrimination, Brazil's shifting economy, the struggles of North American and Australian Indigenous peoples, and finally sex/gender diversity and sexual orientation as key determinants of allostatic load. We then present innovative biochemical, neurological, and cognitive approaches for future empirical consideration, with conclusions centered on clinical and social policy implications. In espousing a developmental psychopathology approach that emphasizes causal processes, developmental mechanisms, and diverse conceptualizations of health, we highlight allostatic load studies that focus on resilient pathways and how these trajectories can be promoted to protect populations otherwise considered vulnerable.

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The stress response of three-spined sticklebacks is modified in proportion to effluent exposure downstream of wastewater treatment works

et al. 2013

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This study was conducted to investigate whether exposure to wastewater treatment works (WWTW) effluent affects the adaptive stress axis of fish resident within the receiving water.Three-spined sticklebacks (Gasterosteus aculeatus) were sampled from sites downstream of ten WWTWs in north-west England, selected to represent a range of human population equivalents between 1,000 and 125,000. Following capture, indices of stress (whole-body cortisol and glucose concentrations) were measured both prior to, and following, the imposition of a standardised stressor to establish both baseline and stress-induced concentrations of cortisol and glucose. There was considerable between-site variation in size, and to a lesser extent condition, of the fish. Pre-and post-stress cortisol and glucose concentrations also varied significantly between-sites. A large proportion of the variation in both the somatic data and the stress response was explained by variation in the proportion of effluent contributing to total river flow at the study sites. Mass (r 2 = 0.35, P < 0.001) and length (r 2 = 0.37, P < 0.001) of the fish, and cortisol (r 2 = 0.26, P < 0.001) and glucose (r 2 = 0.12, P < 0.01) concentrations in unstressed sticklebacks, were positively related to the concentration of effluent across the sample sites. However, in stressed fish, cortisol (r 2 = 0.32, P < 0.001) and glucose (r 2 = 0.14, P < 0.001) concentrations exhibited a negative trend in relation to the effluent concentrations across sites. Individual variation in fish size did not account for the variation in either cortisol or glucose levels. These data provide the first indication that modulation of the stress axis in fish by anthropogenic factors might be widespread and of greater significance than hitherto assumed.

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Loss of capacity to elevate plasma cortisol in rainbow trout (Oncorhynchus mykiss) treated with a single injection of o,p′‐dichlorodiphenyldichloroethane

Cited by 12 publications

References 27 publications

Cortisol as a Stress Indicator in Fish: Sampling Methods, Analytical Techniques, and Organic Pollutant Exposure Assessments

Cortisol as a Stress Indicator in Fish: Sampling Methods, Analytical Techniques, and Organic Pollutant Exposure Assessments

Social Inequalities and the Road to Allostatic Load: From Vulnerability to Resilience

The stress response of three-spined sticklebacks is modified in proportion to effluent exposure downstream of wastewater treatment works

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