Cortisol and ACTH responses to psychosocial stress are modulated by corticosteroid binding globulin levels.
Identifieur interne : 000645 ( PubMed/Corpus ); précédent : 000644; suivant : 000646Cortisol and ACTH responses to psychosocial stress are modulated by corticosteroid binding globulin levels.
Auteurs : R. Kumsta ; S. Entringer ; D H Hellhammer ; S. WüstSource :
- Psychoneuroendocrinology [ 0306-4530 ]
English descriptors
- KwdEn :
- Adrenocorticotropic Hormone (blood), Adrenocorticotropic Hormone (secretion), Female, Humans, Hydrocortisone (analysis), Hydrocortisone (blood), Hydrocortisone (secretion), Male, Psychological Tests, Saliva (chemistry), Sex Characteristics, Stress, Psychological (blood), Stress, Psychological (metabolism), Time Factors, Transcortin (metabolism), Transcortin (physiology).
- MESH :
- chemical , analysis : Hydrocortisone.
- chemical , blood : Adrenocorticotropic Hormone, Hydrocortisone.
- chemical , metabolism : Transcortin.
- chemical , physiology : Transcortin.
- chemical , secretion : Adrenocorticotropic Hormone, Hydrocortisone.
- blood : Stress, Psychological.
- chemistry : Saliva.
- metabolism : Stress, Psychological.
- Female, Humans, Male, Psychological Tests, Sex Characteristics, Time Factors.
Abstract
The hypothalamus-pituitary-adrenal (HPA) axis is vital for an organisms' response to physiological and psychological stress. Cortisol, secreted upon activation of the HPA axis, impacts on physiological systems throughout the organism. Responses to cortisol are influenced and modified by a number of factors, including corticosteroid binding globulin (CBG) levels. A major part of circulating cortisol is bound to CBG and only the unbound fraction is thought to be biologically active. The aim of the present study was to examine the modulating effect of CBG levels on hormonal responses following psychosocial stress in women using oral contraceptives (n=115) and in medication-free men (n=93). In women, CBG levels were negatively associated with ACTH and salivary cortisol and positively with total cortisol levels following the TSST. In men, positive associations were observed between CBG and ACTH and total cortisol levels following the TSST. CBG is an important regulatory element of HPA axis response patterns; therefore, CBG levels have to be taken into account as a potential modifier of ACTH and cortisol responses to psychosocial and pharmacological stimulation. Investigations of the consequences of long-lasting OC intake on the neuroendocrine stress regulation in women might be warranted.
DOI: 10.1016/j.psyneuen.2007.08.007
PubMed: 17904296
Links to Exploration step
pubmed:17904296Le document en format XML
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<author><name sortKey="Kumsta, R" sort="Kumsta, R" uniqKey="Kumsta R" first="R" last="Kumsta">R. Kumsta</name>
<affiliation><nlm:affiliation>Department of Theoretical and Clinical Psychobiology, University of Trier, Johanniterufer 15, 54290 Trier, Germany.</nlm:affiliation>
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<author><name sortKey="Entringer, S" sort="Entringer, S" uniqKey="Entringer S" first="S" last="Entringer">S. Entringer</name>
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<author><name sortKey="Hellhammer, D H" sort="Hellhammer, D H" uniqKey="Hellhammer D" first="D H" last="Hellhammer">D H Hellhammer</name>
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<author><name sortKey="Wust, S" sort="Wust, S" uniqKey="Wust S" first="S" last="Wüst">S. Wüst</name>
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<term>Hydrocortisone (analysis)</term>
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<term>Hydrocortisone (secretion)</term>
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<term>Psychological Tests</term>
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<front><div type="abstract" xml:lang="en">The hypothalamus-pituitary-adrenal (HPA) axis is vital for an organisms' response to physiological and psychological stress. Cortisol, secreted upon activation of the HPA axis, impacts on physiological systems throughout the organism. Responses to cortisol are influenced and modified by a number of factors, including corticosteroid binding globulin (CBG) levels. A major part of circulating cortisol is bound to CBG and only the unbound fraction is thought to be biologically active. The aim of the present study was to examine the modulating effect of CBG levels on hormonal responses following psychosocial stress in women using oral contraceptives (n=115) and in medication-free men (n=93). In women, CBG levels were negatively associated with ACTH and salivary cortisol and positively with total cortisol levels following the TSST. In men, positive associations were observed between CBG and ACTH and total cortisol levels following the TSST. CBG is an important regulatory element of HPA axis response patterns; therefore, CBG levels have to be taken into account as a potential modifier of ACTH and cortisol responses to psychosocial and pharmacological stimulation. Investigations of the consequences of long-lasting OC intake on the neuroendocrine stress regulation in women might be warranted.</div>
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<Title>Psychoneuroendocrinology</Title>
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<Abstract><AbstractText>The hypothalamus-pituitary-adrenal (HPA) axis is vital for an organisms' response to physiological and psychological stress. Cortisol, secreted upon activation of the HPA axis, impacts on physiological systems throughout the organism. Responses to cortisol are influenced and modified by a number of factors, including corticosteroid binding globulin (CBG) levels. A major part of circulating cortisol is bound to CBG and only the unbound fraction is thought to be biologically active. The aim of the present study was to examine the modulating effect of CBG levels on hormonal responses following psychosocial stress in women using oral contraceptives (n=115) and in medication-free men (n=93). In women, CBG levels were negatively associated with ACTH and salivary cortisol and positively with total cortisol levels following the TSST. In men, positive associations were observed between CBG and ACTH and total cortisol levels following the TSST. CBG is an important regulatory element of HPA axis response patterns; therefore, CBG levels have to be taken into account as a potential modifier of ACTH and cortisol responses to psychosocial and pharmacological stimulation. Investigations of the consequences of long-lasting OC intake on the neuroendocrine stress regulation in women might be warranted.</AbstractText>
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