Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Humoral Immune Responses01:36

Humoral Immune Responses

Overview
Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
Physiological Foundation of Stress01:24

Physiological Foundation of Stress

Stress triggers a coordinated physiological response involving the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis. This dual activation ensures that the body is prepared for both immediate and prolonged stress management. The process begins with the perception of a stressor. This initial phase activates the SNS, leading to the rapid release of adrenaline (epinephrine) from the adrenal glands.
Role of the Sympathetic Nervous System
Adrenaline triggers the...
Stress Response System01:21

Stress Response System

The stress response system, also known as the fight-or-flight response, is the body's automatic physiological reaction to perceived threats. Hans Selye introduced the concept of General Adaptation Syndrome (GAS) to describe the predictable pattern of changes that occur in response to stress. GAS consists of three sequential stages: alarm, resistance, and exhaustion. This model helps explain how chronic stress can contribute to health problems.
Alarm stage
In the alarm stage, the body's initial...
Other Stress Responses in Bacteria01:30

Other Stress Responses in Bacteria

Bacteria have global regulatory systems that control several types of stress mechanisms. These include Pho regulon and the heat shock response, which are essential systems for environmental adaptation, such as nutrient limitation and proteotoxic stress. The Pho regulon and the heat shock response exemplify bacterial resilience, enabling rapid adaptation to fluctuating environmental conditions.Pho RegulonBacteria require phosphorus for essential cellular processes, including nucleic acid...
Acute Inflammation III: Local and Systemic Effects01:25

Acute Inflammation III: Local and Systemic Effects

Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Experimental manipulation of telomere length: does it reveal a corner-stone role for telomerase in the natural variability of individual fitness?

Philosophical transactions of the Royal Society of London. Series B, Biological sciences·2018
Same author

Do glucocorticoids predict fitness? Linking environmental conditions, corticosterone and reproductive success in the blue tit, <i>Cyanistes caeruleus</i>.

Royal Society open science·2017
Same author

Haemoproteus infected birds have increased lifetime reproductive success.

Parasitology·2015
Same author

Natural selection and glucocorticoid physiology.

Journal of evolutionary biology·2013
Same author

Assessing the role of reproduction and stress in the spring emergence of haematozoan parasites in birds.

The Journal of experimental biology·2013
Same author

Corticosterone exposure during development has sustained but not lifelong effects on body size and total and free corticosterone responses in the zebra finch.

General and comparative endocrinology·2013

Related Experiment Video

Updated: Jul 28, 2026

An Alternative to the Traditional Cold Pressor Test: The Cold Pressor Arm Wrap
09:16

An Alternative to the Traditional Cold Pressor Test: The Cold Pressor Arm Wrap

Published on: January 16, 2014

Plasma-binding globulins and acute stress response.

C W Breuner1, S E Lynn, G E Julian

  • 1Integrative Biology, University of Texas at Austin, USA. creagh@montana.edu

Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et Metabolisme
|May 16, 2006
PubMed
Summary

Corticosteroid-binding globulin (CBG) levels decrease during acute stress in several bird species. This dynamic change may increase steroid hormones available to tissues during short-term stressors.

More Related Videos

Sampling Blood from the Lateral Tail Vein of the Rat
07:11

Sampling Blood from the Lateral Tail Vein of the Rat

Published on: May 18, 2015

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds
10:07

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds

Published on: November 6, 2015

Related Experiment Videos

Last Updated: Jul 28, 2026

An Alternative to the Traditional Cold Pressor Test: The Cold Pressor Arm Wrap
09:16

An Alternative to the Traditional Cold Pressor Test: The Cold Pressor Arm Wrap

Published on: January 16, 2014

Sampling Blood from the Lateral Tail Vein of the Rat
07:11

Sampling Blood from the Lateral Tail Vein of the Rat

Published on: May 18, 2015

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds
10:07

Thermal Imaging to Study Stress Non-invasively in Unrestrained Birds

Published on: November 6, 2015

Area of Science:

  • * Comparative physiology
  • * Endocrinology
  • * Avian stress response

Background:

  • * Glucocorticoids are primary mediators of acute stress responses.
  • * Corticosteroid-binding globulin (CBG) is traditionally viewed as static, regulating steroid availability.
  • * The dynamic role of CBG in acute stress is not well understood.

Purpose of the Study:

  • * To investigate if corticosteroid-binding globulin (CBG) capacity changes during short-term stressors.
  • * To determine if CBG levels are dynamic or static in response to acute capture and handling.
  • * To compare CBG responses across multiple avian species.

Main Methods:

  • * Measured CBG capacity in nine bird species subjected to a 60-minute capture and handling protocol.
  • * Utilized a comparative approach across five avian orders and nine families.
  • * Assessed changes in CBG levels at 30- and 60-minute intervals post-capture.

Main Results:

  • * CBG capacity significantly declined within 30-60 minutes of capture in five of the nine species studied.
  • * Demonstrated a dynamic, rather than static, response of CBG to acute stress in multiple species.
  • * Highlighted interspecific variation in CBG response to handling stress.

Conclusions:

  • * CBG levels are dynamic and decrease during acute stress in several avian species.
  • * This decline in CBG may enhance corticosterone delivery to target tissues during short-term stressors.
  • * Suggests a regulatory role for CBG in modulating the physiological impact of acute stress in birds.