Do Follicles Matter? Testing the Effect of Follicles on Hair Cortisol Levels

    January 2020 in “ Conservation Physiology ”
    Agnieszka Sergiel, Marc Cattet, Luciene Kapronczai … Andreas Zedrosser
    Studysummary This study found that cortisol concentrations were significantly higher in hair samples with follicles compared to those without, suggesting potential confounding in stress assessments using different hair sampling methods.
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    Research cited in this study 11

    1. Towards The Validation Of Endogenous Steroid Testing In Wildlife Hair Journal of applied ecology · 2018
    2. Comparison of Methanol and Isopropanol as Wash Solvents for Determination of Hair Cortisol Concentration in Grizzly Bears and Polar Bears MethodsX · 2017
    3. Quantification of Reproductive Hormones in Hair of Captive Adult Brown Bears and Their Application as Indicators of Sex and Reproductive State Conservation physiology · 2017
    4. Influence of External Factors on Hair Cortisol Concentrations General and Comparative Endocrinology · 2016
    5. Sources of Variation in Hair Cortisol in Wild and Captive Non-Human Primates Zoology · 2016
    6. Quantifying Long-Term Stress in Brown Bears with Hair Cortisol Concentration: A Biomarker That May Be Confounded by Rapid Changes in Response to Capture and Handling Conservation Physiology · 2014
    7. The Hair Follicle as a Dynamic Mini-Organ Current Biology · 2009
    8. Complex Hair Cycle Domain Patterns and Regenerative Hair Waves in Living Rodents Journal of Investigative Dermatology · 2007
    9. Measurement of Cortisol in Human Hair as a Biomarker of Systemic Exposure Clinical and investigative medicine · 2007
    10. Human Hair Follicles Display a Functional Equivalent of the Hypothalamic-Pituitary-Adrenal (HPA) Axis and Synthesize Cortisol The FASEB Journal · 2005
    11. In Vitro Metabolism of Progesterone by Canine Hair Follicle Cells Veterinary Dermatology · 2005

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