The use of glucocorticoid hormones or leucocyte profiles to measure stress in vertebrates: What's the difference?

AK Davis, DL Maney - Methods in Ecology and Evolution, 2018 - Wiley Online Library
Measuring stress in animals is important in many ecological, zoological and veterinary
research settings. A common method is to measure plasma levels of glucocorticoid …

Immunoendocrinology and ecoimmunology in Brazilian anurans

FR Gomes, CB Madelaire, EH Moretti… - Integrative and …, 2022 - academic.oup.com
This paper reviews several aspects of immunoendocrinology and ecoimmunology in
Brazilian species of anurans under investigation for more than a decade, including (1) …

Interplay among steroids, body condition and immunity in response to long-term captivity in toads

SCM Titon, B Titon Junior, VR Assis, GS Kinker… - Scientific reports, 2018 - nature.com
Stressful experiences can promote harmful effects on physiology and fitness. However,
stress-mediated hormonal and immune changes are complex and may be highly dependent …

Time-related immunomodulation by stressors and corticosterone transdermal application in toads

SCM Titon, B Titon Jr, AMG Barsotti, FR Gomes… - PLoS …, 2019 - journals.plos.org
Immune responses have been mostly studied at a specific time in anuran species. However,
time-changes related to immunomodulation associated with glucocorticoid (GC) alterations …

Captivity effects on immune response and steroid plasma levels of a Brazilian toad (Rhinella schneideri)

SCM Titon, VR Assis, B Titon Junior… - … Zoology Part A …, 2017 - Wiley Online Library
Stressors can increase plasma glucocorticoid (GC) levels and decrease plasma androgen
levels in different species of vertebrates. GCs can have immune‐enhancing or …

Elevated corticosterone levels are associated with increased immunocompetence in male toads, both when calling and under experimental conditions

BO Cassettari, CB Madelaire, FR Gomes - Hormones and behavior, 2022 - Elsevier
Circulating androgens can influence immune responses and sexual traits in male
vertebrates. However, in the last 20 years, glucocorticoids have also been implicated as a …

Seasonal Pattern of Advertisement Calling and Physiology in Prolonged Breeding Anurans, Japanese Tree Frog (Dryophytes japonicus)

JK Park, Y Do - Animals, 2023 - mdpi.com
Simple Summary In this study, we attempted to identify the seasonal pattern of reproductive
emergence in the Japanese tree frog (Dryophytes japonicus). Individuals that emerged early …

The Impacts of Transdermal Application of Corticosterone on Toad (Rhinella icterica) Immunity

VR Assis, SCM Titon, B Titon Jr… - Integrative and …, 2022 - academic.oup.com
Recent studies have shown that acute physiological increases in endogenous
glucocorticoid levels have immunostimulatory effects. Although post-acute stress …

Glucocorticoids, male sexual signals, and mate choice by females: implications for sexual selection

CJ Leary, AT Baugh - General and Comparative Endocrinology, 2020 - Elsevier
We review work relating glucocorticoids (GCs), male sexual signals, and mate choice by
females to understand the potential for GCs to modulate the expression of sexually selected …

Baseline and stress-induced steroid plasma levels and immune function vary annually and are associated with vocal activity in male toads (Rhinella icterica)

BT Junior, AMG Barsotti, SCM Titon, RI Vaz… - General and …, 2024 - Elsevier
Theoretical models predict that elevated androgen and glucocorticoid levels in males during
the reproductive season promote immunosuppression. However, some studies report …