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Knocking out the stress response.

S Bornstein¹, A Böttner, G Chrousos

¹Developmental Endocrinology Branch, National Institute of Child Health and Human Development, Bethesda, MD 20892, USA. bornstes@mail.nih.gov

Molecular Psychiatry

|October 19, 1999

Summary

Genetically modified mice with specific defects in the hypothalamic-pituitary-adrenal axis and autonomic nervous system offer new insights into stress system development and function.

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Area of Science:

Neuroscience
Endocrinology
Genetics

Background:

The hypothalamic-pituitary-adrenal (HPA) axis and autonomic nervous system (ANS) are key components of the mammalian stress response.
Understanding the intricate interactions within the stress system is crucial for deciphering physiological and pathological processes.

Purpose of the Study:

To investigate the roles of specific HPA axis and ANS components in stress system regulation.
To utilize genetically engineered animal models for in vivo studies of stress system dynamics.

Main Methods:

Generation of transgenic animals and knockout mice with targeted genetic alterations.
Analysis of physiological and behavioral responses to stress in these models.

Main Results:

Defined defects in HPA axis and ANS components were successfully created in animal models.
These models revealed novel insights into the developmental pathways and functional crosstalk within the stress system.

Conclusions:

Transgenic and knockout mouse models are powerful tools for dissecting the complexities of the stress system.
These models facilitate a deeper understanding of the neuroendocrine and autonomic regulation of stress responses.

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