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Lee JH, Meyer EJ, Nenke MA, Lightman SL, Torpy DJ. Cortisol, Stress, and Disease-Bidirectional Associations; Role for Corticosteroid-Binding Globulin? J Clin Endocrinol Metab 2024:dgae412. [PMID: 38941154 DOI: 10.1210/clinem/dgae412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Indexed: 06/30/2024]
Abstract
Selye described stress as a unified neurohormonal mechanism maintaining homeostasis. Acute stress system activation is adaptive through neurocognitive, catecholaminergic, and immunomodulation mechanisms, followed by a reset via cortisol. Stress system components, the sympathoadrenomedullary system, hypothalamic-pituitary-adrenal axis, and limbic structures are implicated in many chronic diseases by establishing an altered homeostatic state, allostasis. Consequent "primary stress system disorders" were popularly accepted, with phenotypes based on conditions such as Cushing syndrome, pheochromocytoma, and adrenal insufficiency. Cardiometabolic and major depressive disorders are candidates for hypercortisolemic etiology, contrasting the "hypocortisolemic symptom triad" of stress sensitivity, chronic fatigue, and pain. However, acceptance of chronic stress etiology requires cause-and-effect associations, and practical utility such as therapeutics altering stress system function. Inherent predispositions to stress system perturbations may be relevant. Glucocorticoid receptor (GR) variants have been associated with metabolic/neuropsychological states. The SERPINA6 gene encoding corticosteroid-binding globulin (CBG), was the sole genetic factor in a single-nucleotide variation-genome-wide association study linkage study of morning plasma cortisol, a risk factor for cardiovascular disease, with alterations in tissue-specific GR-related gene expression. Studies showed genetically predicted high cortisol concentrations are associated with hypertension and anxiety, and low CBG concentrations/binding affinity, with the hypocortisolemic triad. Acquired CBG deficiency in septic shock results in 3-fold higher mortality when hydrocortisone administration produces equivocal results, consistent with CBG's role in spatiotemporal cortisol delivery. We propose some stress system disorders result from constitutional stress system variants rather than stressors themselves. Altered CBG:cortisol buffering may influence interstitial cortisol ultradian surges leading to pathological tissue effects, an example of stress system variants contributing to stress-related disorders.
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Affiliation(s)
- Jessica H Lee
- Department of Medicine, Adelaide University, Adelaide, SA 5000, Australia
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, SA 5000, Australia
| | - Emily Jane Meyer
- Department of Medicine, Adelaide University, Adelaide, SA 5000, Australia
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, SA 5000, Australia
- Endocrine and Diabetes Services, The Queen Elizabeth Hospital, Woodville South, SA 5011, Australia
| | - Marni Anne Nenke
- Department of Medicine, Adelaide University, Adelaide, SA 5000, Australia
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, SA 5000, Australia
- Endocrine and Diabetes Services, The Queen Elizabeth Hospital, Woodville South, SA 5011, Australia
| | - Stafford L Lightman
- Systems Neuroendocrinology Research Group, University of Bristol, Bristol, BS1 3NY, UK
| | - David J Torpy
- Department of Medicine, Adelaide University, Adelaide, SA 5000, Australia
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, SA 5000, Australia
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Howland MA. Recalibration of the stress response system over adult development: Is there a perinatal recalibration period? Dev Psychopathol 2023; 35:2315-2337. [PMID: 37641984 PMCID: PMC10901284 DOI: 10.1017/s0954579423000998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
During early life-sensitive periods (i.e., fetal, infancy), the developing stress response system adaptively calibrates to match environmental conditions, whether harsh or supportive. Recent evidence suggests that puberty is another window when the stress system is open to recalibration if environmental conditions have shifted significantly. Whether additional periods of recalibration exist in adulthood remains to be established. The present paper draws parallels between childhood (re)calibration periods and the perinatal period to hypothesize that this phase may be an additional window of stress recalibration in adult life. Specifically, the perinatal period (defined here to include pregnancy, lactation, and early parenthood) is also a developmental switch point characterized by heightened neural plasticity and marked changes in stress system function. After discussing these similarities, lines of empirical evidence needed to substantiate the perinatal stress recalibration hypothesis are proposed, and existing research support is reviewed. Complexities and challenges related to delineating the boundaries of perinatal stress recalibration and empirically testing this hypothesis are discussed, as well as possibilities for future multidisciplinary research. In the theme of this special issue, perinatal stress recalibration may be a mechanism of multilevel, multisystem risk, and resilience, both intra-individually and intergenerationally, with implications for optimizing interventions.
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Affiliation(s)
- Mariann A Howland
- Institute of Child Development, University of Minnesota, Minneapolis, MN, USA
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3
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Lee JH, Meyer EJ, Nenke MA, Falhammar H, Torpy DJ. Corticosteroid-binding globulin (CBG): spatiotemporal distribution of cortisol in sepsis. Trends Endocrinol Metab 2023; 34:181-190. [PMID: 36681594 DOI: 10.1016/j.tem.2023.01.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 01/02/2023] [Indexed: 01/22/2023]
Abstract
Corticosteroid-binding globulin (CBG) is a 50-60 kDa circulating glycoprotein with high affinity for cortisol. CBG is adapted for sepsis; its cortisol binding is reduced reversibly by pyrexia and acidaemia, and reduced irreversibly by neutrophil elastase (NE) cleavage, converting high cortisol-binding affinity CBG to a low affinity form. These characteristics allow for the targeted delivery of immunomodulatory cortisol to tissues at the time and body site where cortisol is required in sepsis and septic shock. In addition, high titer inflammatory cytokines in sepsis suppress CBG hepatic synthesis, increasing the serum free cortisol fraction. Recent clinical studies have highlighted the importance of CBG in septic shock, with CBG deficiency independently associated with mortality.
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Affiliation(s)
- Jessica H Lee
- Department of Medicine, University of Adelaide, Adelaide, South Australia, Australia
| | - Emily J Meyer
- Department of Medicine, University of Adelaide, Adelaide, South Australia, Australia; Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia; Department of Endocrine and Diabetes, The Queen Elizabeth Hospital, Woodville South, South Australia, Australia
| | - Marne A Nenke
- Department of Medicine, University of Adelaide, Adelaide, South Australia, Australia; Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia; Department of Endocrine and Diabetes, The Queen Elizabeth Hospital, Woodville South, South Australia, Australia
| | - Henrik Falhammar
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden; Department of Endocrinology, Karolinska University Hospital, Stockholm, Sweden.
| | - David J Torpy
- Department of Medicine, University of Adelaide, Adelaide, South Australia, Australia; Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
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Lewandowski KC, Tadros-Zins M, Horzelski W, Krekora M, Lewinski A. Renin, Aldosterone, and Cortisol in Pregnancy-Induced Hypertension. Exp Clin Endocrinol Diabetes 2023; 131:222-227. [PMID: 36807213 PMCID: PMC10101736 DOI: 10.1055/a-2025-0510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
INTRODUCTION We aimed to assess renin, aldosterone, and cortisol in the early stages of pregnancy-induced hypertension (PIH), i. e., at the time of diagnosis. METHODS During the postural test, we measured aldosterone, renin [Liason DiaSorin Inc. (Italy)], as well as cortisol, sodium, potassium, and 24-h urinary sodium and potassium excretion in 62 women with newly diagnosed PIH, 70 healthy women during the 3rd trimester of pregnancy, and in 22 healthy non-pregnant women. RESULTS In all groups, there was a significant increase in aldosterone and renin in upright versus supine posture (p<0.01). Both supine and upright aldosterone concentrations were higher in healthy pregnant women than in women with PIH and the lowest in healthy not-pregnant [supine (median±intequartile range): 25.04±18.4 ng/dL, 18.03±12.58 ng/dL, and 7.48±4.78 ng/dL, p<0.001, upright: 31.60±21.32 ng/dL, 25.11±13.15 ng/dL, and 12.4±12.4 ng/dL, p<0.001, for healthy pregnant, pregnant with PIH, and non-pregnant, respectively]. Supine renin concentrations were higher only in healthy pregnant (p<0.001), while in the upright position, there was a difference only between healthy pregnant and women with PIH (p=0.002). Both in supine and upright positions, there was no difference in the aldosterone-to-renin ratio between healthy pregnant women and women with PIH, though, in both groups, the ratio was higher than in non-pregnant women (p<0.001). Morning cortisol concentrations and 24-h urinary sodium excretion were lower in women with PIH than in healthy pregnant (p<0.001, p=0.002, respectively). CONCLUSION Hyperaldosteronism is not involved in the etiology of PIH. In PIH, there is also a tendency towards lower sodium excretion and lower morning cortisol concentrations.
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Affiliation(s)
- Krzysztof C Lewandowski
- Department of Endocrinology and Metabolic Diseases, Medical University of Lodz, Lodz, Poland.,Department of Endocrinology and Metabolic Diseases, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland
| | - Monika Tadros-Zins
- Department of Obstetrics and Gynecology, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland
| | - Wojciech Horzelski
- Department of Mathematics and Computer Science, University of Lodz, Lodz, Poland
| | - Michał Krekora
- Department of Obstetrics and Gynecology, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland.,Department of Gynaecology and Obstetrics, 2nd Chair of Gynaecology and Obstetrics, Medical University of Lodz, Lodz, Poland
| | - Andrzej Lewinski
- Department of Endocrinology and Metabolic Diseases, Medical University of Lodz, Lodz, Poland.,Department of Endocrinology and Metabolic Diseases, Polish Mother's Memorial Hospital - Research Institute, Lodz, Poland
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Lee JH, Torpy DJ. Adrenal insufficiency in pregnancy: Physiology, diagnosis, management and areas for future research. Rev Endocr Metab Disord 2023; 24:57-69. [PMID: 35816262 DOI: 10.1007/s11154-022-09745-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/22/2022] [Indexed: 02/01/2023]
Abstract
Adrenal insufficiency requires prompt diagnosis in pregnancy, as untreated, it can lead to serious consequences such as adrenal crisis, intrauterine growth restriction and even foetal demise. Similarities between symptoms of adrenal insufficiency and those of normal pregnancy can complicate diagnosis. Previously diagnosed adrenal insufficiency needs monitoring and, often, adjustment of adrenal hormone replacement. Many physiological changes occur to the hypothalamic-pituitary-adrenal (HPA) axis during pregnancy, often making diagnosis and management of adrenal insufficiency challenging. Pregnancy is a state of sustained physiologic hypercortisolaemia; there are multiple contributing factors including high plasma concentrations of placental derived corticotropin-releasing hormone (CRH), adrenocorticotropin (ACTH) and increased adrenal responsiveness to ACTH. Despite increased circulating concentrations of CRH-binding protein (CRH-BP) and the major cortisol binding protein, corticosteroid binding globulin (CBG), free concentrations of both hormones are increased progressively in pregnancy. In addition, pregnancy leads to activation of the renin-angiotensin-aldosterone system. Most adrenocortical hormone diagnostic thresholds are not applicable or validated in pregnancy. The management of adrenal insufficiency also needs to reflect the physiologic changes of pregnancy, often requiring increased doses of glucocorticoid and at times mineralocorticoid replacement, especially in the last trimester. In this review, we describe pregnancy induced changes in adrenal function, the diagnosis and management of adrenal insufficiency in pregnancy and areas requiring further research.
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Affiliation(s)
- Jessica H Lee
- Department of Medicine, University of Adelaide, Adelaide, South Australia, Australia.
| | - David J Torpy
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia.
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Mlili NE, Ahabrach H, Cauli O. Hair Cortisol Concentration as a Biomarker of Symptoms of Depression in the Perinatal Period. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2023; 22:71-83. [PMID: 35297354 DOI: 10.2174/1871527321666220316122605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 12/20/2021] [Accepted: 12/29/2021] [Indexed: 12/16/2022]
Abstract
Pregnancy is a sensitive period when women experience major hormonal and psychological changes. A high prevalence of the symptoms of depression and manifested major depression rates have been reported during this period, leading to negative outcomes both for mothers and the offspring. Despite its prevalence, the aetiology of depression is not yet fully understood. Nonetheless, alterations in cortisol levels have been proposed as a reliable biomarker to identify pregnant women at risk of perinatal depression. Hair cortisol has recently been extensively used in bio-psychological studies as a suitable non-invasive biomarker for several neuropsychiatric disorders. Various studies have published evidence regarding the relationship between cortisol fluctuations during the perinatal period, measured both in hair and in other substrates, and the onset of perinatal symptoms of depression. This current review provides an overview of cortisol level changes measured in women's hair during pregnancy or the postpartum period and its association with perinatal symptoms of depression. Further studies, including repetitive measurement of both hair cortisol and depression throughout the prenatal period, must be performed to clarify the relationship between cortisol levels and perinatal symptoms of depression.
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Affiliation(s)
- Nisrin El Mlili
- Institut Supérieur des Professions Infirmières et Techniques de Santé (ISPITS), Tetouan, Morocco
- Department of Physiology and Physiopathology, Faculty of Sciences, University Abdelmalek Essâadi, Tetouan, Morocco
| | - Hanan Ahabrach
- Institut Supérieur des Professions Infirmières et Techniques de Santé (ISPITS), Tetouan, Morocco
- Department of Physiology and Physiopathology, Faculty of Sciences, University Abdelmalek Essâadi, Tetouan, Morocco
| | - Omar Cauli
- Department of Nursing, University of Valencia, Valencia 46010, Spain
- Frailty and Cognitive Impairment Group (FROG), University of Valencia, Valencia 46010, Spain
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Effects of Different Endometrial Preparation Regimens during IVF on Incidence of Ischemic Placental Disease for FET Cycles. J Clin Med 2022; 11:jcm11216506. [DOI: 10.3390/jcm11216506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/09/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022] Open
Abstract
We conducted this retrospective cohort study aiming to compare the different pregnancy outcomes of endometrial preparation regimens on ischemic placental disease in a frozen embryo transfer cycle. The study included a total of 9351 women who had undergone therapy at our single tertiary hospital from January 2015 to July 2020. The women were divided into three groups depending on their endometrial regimens: natural cycle, stimulation cycle, hormone replacement therapy cycle. The data were analyzed after propensity score matching, then we used multiple linear regression to study the relationship between ischemic placental disease and endometrial regimens, adjusted by confounding factors including age, body mass index, and score of propensity score matching. We performed univariate logistic regression, as well as multivariate logistic regression for ischemic placental disease, small for gestational age infant, placental abruption. and pre-eclampsia, respectively, listing the odds ratio and p-values in the table. As a result, risk of ischemic placental disease and small for gestational age infant were detected as higher in stimulation cycles compared to natural cycles before or after adjustment. Hormone replacement therapy cycles conferred a higher risk of pre-eclampsia and preterm delivery compared to natural cycles. No difference was found between stimulation cycles and hormone replacement therapy cycles, regardless of whether they are adjusted or not. In summary, more pharmacological intervention in endometrial preparation was associated with a higher risk of ischemic placental disease related symptoms than natural cycles for endometrial preparation in women undergoing frozen embryo transfer. Our findings supported that minimizing pharmacological interventions during endometrial preparation when conditions permit has positive implications for improving pregnancy outcomes.
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8
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Hamblin R, Coulden A, Fountas A, Karavitaki N. The diagnosis and management of Cushing's syndrome in pregnancy. J Neuroendocrinol 2022; 34:e13118. [PMID: 35491087 PMCID: PMC9541401 DOI: 10.1111/jne.13118] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/01/2022] [Accepted: 03/05/2022] [Indexed: 11/28/2022]
Abstract
Endogenous Cushing's syndrome (CS) is rarely encountered during pregnancy. Clinical and biochemical changes in healthy pregnancy overlap with those seen in pregnancy complicated by CS; the diagnosis is therefore challenging and can be delayed. During normal gestation, adrenocorticotrophic hormone, corticotrophin-releasing hormone, cortisol, and urinary free cortisol levels rise. Dexamethasone administration fails to fully suppress cortisol in pregnant women without CS. Localisation may be hindered by non-suppressed adrenocorticotrophic hormone levels in a large proportion of those with adrenal CS; smaller corticotroph adenomas may go undetected as a result of a lack of contrast administration or the presence of pituitary hyperplasia; and inferior petrosal sinus sampling is not recommended given the risk of radiation and thrombosis. Yet, diagnosis is essential; active disease is associated with multiple insults to both maternal and foetal health, and those cured may normalise the risk of maternal-foetal complications. The published literature consists mostly of case reports or small case series affected by publication bias, heterogeneous definitions of maternal or foetal outcomes or lack of detail on severity of hypercortisolism. Consequently, conclusive recommendations, or a standardised management approach for all, cannot be made. Management is highly individualised: the decision for surgery, medical control of hypercortisolism or adoption of a conservative approach is dependent on the timing of diagnosis (respective to stage of gestation), the ability to localise the tumour, severity of CS, pre-existing maternal comorbidity, and, ultimately, patient choice. Close communication is a necessity with the patient placed at the centre of all decisions, with risks, benefits, and uncertainties around any investigation and management carefully discussed. Care should be delivered by an experienced, multidisciplinary team, with the resources and expertise available to manage such a rare and challenging condition during pregnancy.
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Affiliation(s)
- Ross Hamblin
- Institute of Metabolism and Systems Research, College of Medical and Dental SciencesUniversity of BirminghamBirminghamUK
- Centre for Endocrinology, Diabetes and MetabolismBirmingham Health PartnersBirminghamUK
- Department of Endocrinology, Queen Elizabeth HospitalUniversity Hospitals Birmingham NHS Foundation TrustBirminghamUK
| | - Amy Coulden
- Institute of Metabolism and Systems Research, College of Medical and Dental SciencesUniversity of BirminghamBirminghamUK
- Centre for Endocrinology, Diabetes and MetabolismBirmingham Health PartnersBirminghamUK
- Department of Endocrinology, Queen Elizabeth HospitalUniversity Hospitals Birmingham NHS Foundation TrustBirminghamUK
| | - Athanasios Fountas
- Institute of Metabolism and Systems Research, College of Medical and Dental SciencesUniversity of BirminghamBirminghamUK
- Centre for Endocrinology, Diabetes and MetabolismBirmingham Health PartnersBirminghamUK
- Department of Endocrinology, Queen Elizabeth HospitalUniversity Hospitals Birmingham NHS Foundation TrustBirminghamUK
| | - Niki Karavitaki
- Institute of Metabolism and Systems Research, College of Medical and Dental SciencesUniversity of BirminghamBirminghamUK
- Centre for Endocrinology, Diabetes and MetabolismBirmingham Health PartnersBirminghamUK
- Department of Endocrinology, Queen Elizabeth HospitalUniversity Hospitals Birmingham NHS Foundation TrustBirminghamUK
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Arleevskaya M, Takha E, Petrov S, Kazarian G, Renaudineau Y, Brooks W, Larionova R, Korovina M, Valeeva A, Shuralev E, Mukminov M, Kravtsova O, Novikov A. Interplay of Environmental, Individual and Genetic Factors in Rheumatoid Arthritis Provocation. Int J Mol Sci 2022; 23:ijms23158140. [PMID: 35897715 PMCID: PMC9329780 DOI: 10.3390/ijms23158140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/18/2022] [Accepted: 07/19/2022] [Indexed: 02/05/2023] Open
Abstract
In this review, we explore systemization of knowledge about the triggering effects of non-genetic factors in pathogenic mechanisms that contribute to the development of rheumatoid arthritis (RA). Possible mechanisms involving environmental and individual factors in RA pathogenesis were analyzed, namely, infections, mental stress, sleep deprivation ecology, age, perinatal and gender factors, eating habits, obesity and smoking. The non-genetic factors modulate basic processes in the body with the impact of these factors being non-specific, but these common challenges may be decisive for advancement of the disease in the predisposed body at risk for RA. The provocation of this particular disease is associated with the presence of congenital loci minoris resistentia. The more frequent non-genetic factors form tangles of interdependent relationships and, thereby, several interdependent external factors hit one vulnerable basic process at once, either provoking or reinforcing each other. Understanding the specific mechanisms by which environmental and individual factors impact an individual under RA risk in the preclinical stages can contribute to early disease diagnosis and, if the factor is modifiable, might be useful for the prevention or delay of its development.
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Affiliation(s)
- Marina Arleevskaya
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia;
- Correspondence: ; Tel.: +7-89172-886-679; Fax: +7-843-238-5413
| | - Elena Takha
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
| | - Sergey Petrov
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Environmental Sciences, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Gevorg Kazarian
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
| | - Yves Renaudineau
- Department of Immunology, CHU Toulouse, INSERM U1291, CNRS U5051, University Toulouse IIII, 31000 Toulouse, France;
| | - Wesley Brooks
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA;
| | - Regina Larionova
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
| | - Marina Korovina
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia;
| | - Anna Valeeva
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
| | - Eduard Shuralev
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Environmental Sciences, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Malik Mukminov
- Central Research Laboratory, Kazan State Medical Academy, 420012 Kazan, Russia; (E.T.); (S.P.); (G.K.); (R.L.); (M.K.); (A.V.); (E.S.); (M.M.)
- Institute of Environmental Sciences, Kazan (Volga Region) Federal University, 420008 Kazan, Russia
| | - Olga Kravtsova
- Institute of Fundamental Medicine and Biology, Kazan (Volga Region) Federal University, 420008 Kazan, Russia;
| | - Andrey Novikov
- Mathematical Center, Sobolev Instiute of Mathematics, Siberian Branch of Russian Academy of Sciences, 630090 Novosibirsk, Russia;
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10
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Ravi M, Bernabe B, Michopoulos V. Stress-Related Mental Health Disorders and Inflammation in Pregnancy: The Current Landscape and the Need for Further Investigation. Front Psychiatry 2022; 13:868936. [PMID: 35836664 PMCID: PMC9273991 DOI: 10.3389/fpsyt.2022.868936] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 05/30/2022] [Indexed: 11/29/2022] Open
Abstract
Many studies have focused on psychoimmunological mechanisms of risk for stress-related mental health disorders. However, significantly fewer studies have focused on understanding mechanisms of risk for stress-related disorders during pregnancy, a period characterized by dramatic changes in both the innate and adaptive immune systems. The current review summarizes and synthesizes the extant literature on the immune system during pregnancy, as well as the sparse existing evidence highlighting the associations between inflammation and mood, anxiety, and fear-related disorders in pregnancy. In general, pregnant persons demonstrate lower baseline levels of systemic inflammation, but respond strongly when presented with an immune challenge. Stress and trauma exposure may therefore result in strong inflammatory responses in pregnant persons that increases risk for adverse behavioral health outcomes. Overall, the existing literature suggests that stress, trauma exposure, and stress-related psychopathology are associated with higher levels of systemic inflammation in pregnant persons, but highlight the need for further investigation as the existing data are equivocal and vary based on which specific immune markers are impacted. Better understanding of the psychoimmunology of pregnancy is necessary to reduce burden of prenatal mental illness, increase the likelihood of a successful pregnancy, and reduce the intergenerational impacts of prenatal stress-related mental health disorders.
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Affiliation(s)
- Meghna Ravi
- Graduate Division of Biological and Biomedical Sciences, Laney Graduate School, Emory University, Atlanta, GA, United States
| | - Brandy Bernabe
- Graduate Division of Biological and Biomedical Sciences, Laney Graduate School, Emory University, Atlanta, GA, United States
| | - Vasiliki Michopoulos
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, United States.,Emory National Primate Research Center, Atlanta, GA, United States
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11
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OUP accepted manuscript. J Appl Lab Med 2022; 7:945-970. [DOI: 10.1093/jalm/jfac010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/21/2022] [Indexed: 11/13/2022]
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12
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Meyer EJ, Spangenberg L, Ramírez MJ, De Sousa SMC, Raggio V, Torpy DJ. CBG Montevideo: A Clinically Novel SERPINA6 Mutation Leading to Haploinsufficiency of Corticosteroid-binding Globulin. J Endocr Soc 2021; 5:bvab115. [PMID: 34308089 PMCID: PMC8294686 DOI: 10.1210/jendso/bvab115] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Indexed: 11/22/2022] Open
Abstract
Corticosteroid-binding globulin (CBG) is the main transport protein for cortisol, binding up to 90% in a 1:1 ratio. CBG provides transport of cortisol within the circulation and targeted cortisol tissue delivery. Here, we describe the clinically novel “CBG Montevideo” a SERPINA6 pathogenic variant that results in a 50% reduction in plasma CBG levels. This was associated with low serum total cortisol and clinical features of hypoglycemia, exercise intolerance, chronic fatigue, and hypotension in the proband, a 7-year-old boy, and his affected mother. Previous reports of 9 human CBG genetic variants affecting either CBG concentrations or reduced CBG-cortisol binding properties have outlined symptoms consistent with attenuated features of hypocortisolism, fatigue, and hypotension. Here, however, the presence of hypoglycemia, despite normal circulating free cortisol, suggests a specific role for CBG in effecting glucocorticoid function, perhaps involving cortisol-mediated hepatic glucose homeostasis and cortisol-brain communication.
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Affiliation(s)
- Emily Jane Meyer
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, SA 5000, Australia.,Endocrine and Diabetes Services, The Queen Elizabeth Hospital, Woodville, SA 5011, Australia.,Discipline of Medicine, University of Adelaide, Adelaide, SA 5000, Australia
| | - Lucía Spangenberg
- Bioinformatics Unit, Institut Pasteur de Montevideo, Montevideo, 11400, Uruguay.,Department of Informatics and Computer Science, Universidad Católica del Uruguay, Montevideo, 11600, Uruguay
| | - Maria José Ramírez
- Paediatric Endocrinology, Hospital Británico, Montevideo, 11600, Uruguay.,Paediatric Endocrinology, Centro Hospitalario Pereira Rossell, Montevideo, 11600, Uruguay
| | - Sunita Maria Christina De Sousa
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, SA 5000, Australia.,Discipline of Medicine, University of Adelaide, Adelaide, SA 5000, Australia.,South Australian Adult Genetics Unit, Royal Adelaide Hospital, Adelaide, SA 5000, Australia
| | - Victor Raggio
- Genetics Department, Facultad de Medicina, UDELAR, Montevideo, 11800, Uruguay
| | - David James Torpy
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, SA 5000, Australia.,Discipline of Medicine, University of Adelaide, Adelaide, SA 5000, Australia
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13
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Bikle DD. The Free Hormone Hypothesis: When, Why, and How to Measure the Free Hormone Levels to Assess Vitamin D, Thyroid, Sex Hormone, and Cortisol Status. JBMR Plus 2020; 5:e10418. [PMID: 33553985 PMCID: PMC7839820 DOI: 10.1002/jbm4.10418] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/29/2020] [Accepted: 09/22/2020] [Indexed: 12/13/2022] Open
Abstract
The free hormone hypothesis postulates that only the nonbound fraction (the free fraction) of hormones that otherwise circulate in blood bound to their carrier proteins is able to enter cells and exert biologic effects. In this review, I will examine four hormone groups-vitamin D metabolites (especially 25OHD), thyroid hormones (especially thyroxine [T4]), sex steroids (especially testosterone), and glucocorticoids (especially cortisol)-that are bound to various degrees to their respective binding proteins-vitamin D-binding protein (DBP), thyroid-binding globulin (TBG), sex hormone-binding globulin (SHBG), and cortisol-binding globulin (CBG)-for which a strong case can be made that measurement of the free hormone level provides a better assessment of hormonal status than the measurement of total hormonal levels under conditions in which the binding proteins are affected in levels or affinities for the hormones to which they bind. I will discuss the rationale for this argument based on the free hormone hypothesis, discuss potential exceptions to the free hormone hypothesis, and review functions of the binding proteins that may be independent of their transport role. I will then review the complications involved with measuring the free hormone levels and the efforts to calculate those levels based on estimates of binding constants and levels of both total hormone and total binding protein. In this review, the major focus will be on DBP and free 25OHD, but the parallels and differences with the other binding proteins and hormones will be highlighted. Vitamin D and its metabolites, thyroid hormones, sex steroids, and glucocorticoids are transported in blood bound to serum proteins. The tightness of binding varies depending on the hormone and the binding protein such that the percent free varies from 0.03% for T4 and 25OHD to 4% for cortisol with testosterone at 2%. Although the major function of the primary carrier proteins (DBP, TBG, SHBG, and CBG) may be to transport their respective lipophilic hormones within the aqueous media that is plasma, these proteins may have other functions independent of their transport function. For most tissues, these hormones enter the cell as the free hormone presumably by diffusion (the free hormone hypothesis), although a few tissues such as the kidney and reproductive tissues express megalin/cubilin enabling by endocytosis protein-bound hormone to enter the cell. Measuring the free levels of these protein-bound hormones is likely to provide a better measure of the true hormone status than measuring the total levels in situations where the levels and/or affinities of the binding proteins are altered. Methods to measure free hormone levels are problematic as the free levels can be quite low, the methods require separation of bound and free that could disturb the steady state, and the means of separating bound and free are prone to error. Calculation of free levels using existing data for association constants between the hormone and its binding protein are likewise prone to error because of assumptions of linear binding models and invariant association constants, both of which are invalid. © 2020 The Author. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Daniel D Bikle
- Department of Medicine University of California San Francisco USA.,Department of Medicine San Francisco VA Medical Center San Francisco CA USA
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14
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van Esch JJA, Bolte AC, Vandenbussche FPHA, Schippers DH, de Weerth C, Beijers R. Differences in hair cortisol concentrations and reported anxiety in women with preeclampsia versus uncomplicated pregnancies. Pregnancy Hypertens 2020; 21:200-202. [PMID: 32645599 DOI: 10.1016/j.preghy.2020.06.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 06/11/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022]
Abstract
This Dutch multicenter case-controlled study investigated whether cortisol concentrations and psychosocial stress during pregnancy differed between women with early-onset preeclampsia, late-onset preeclampsia, and uncomplicated pregnancies. Cortisol concentrations were analyzed in three hair segments representing the preconception period, first, and second trimester of pregnancy. Cortisol trajectories differed, with early-onset preeclampsia showing steeper increases in cortisol and higher cortisol concentrations during the second trimester. Reported anxiety in women with preeclampsia was higher compared to women with uncomplicated pregnancies. These results indicate that measures of cortisol and reported anxiety differ between early-onset, late-onset preeclampsia, and uncomplicated pregnancies.
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Affiliation(s)
- Joris J A van Esch
- Radboud University Medical Center, Department of Obstetrics and Gynecology, P.O. Box 9101, Post 791, 6500 HB Nijmegen, The Netherlands.
| | - Antoinette C Bolte
- Radboud University Medical Center, Department of Obstetrics and Gynecology, P.O. Box 9101, Post 791, 6500 HB Nijmegen, The Netherlands.
| | - Frank P H A Vandenbussche
- Radboud University Medical Center, Department of Obstetrics and Gynecology, P.O. Box 9101, Post 791, 6500 HB Nijmegen, The Netherlands.
| | - Daniela H Schippers
- Canisius-Wilhelmina Hospital, Department of Obstetrics and Gynecology, P.O. Box 9105, 6500 GS Nijmegen, The Netherlands.
| | - Carolina de Weerth
- Radboud University Medical Center, Department of Cognitive Neuroscience, Donders Institute for Brain, Cognition and Behaviour, Kapittelweg 29, 6525 EN Nijmegen, The Netherlands.
| | - Roseriet Beijers
- Radboud University, Department of Developmental Psychology, Behavioural Science Institute, P.O. Box 9104, 6500 HE Nijmegen, The Netherlands.
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15
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High binding site occupancy of corticosteroid-binding globulin by progesterone increases fetal free cortisol concentrations. Eur J Obstet Gynecol Reprod Biol 2020; 251:129-135. [PMID: 32502768 DOI: 10.1016/j.ejogrb.2020.05.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 02/25/2020] [Accepted: 05/15/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Corticosteroid-binding globulin (CBG) binds and transports cortisol in the circulation in high cortisol-binding affinity (haCBG) and low affinity (laCBG) forms, the latter resulting from enzyme cleavage to target cortisol delivery at sites of inflammation. CBG also has substantial progesterone binding affinity, 3-fold less than cortisol. Progesterone and cortisol are important in the maintenance of pregnancy and in fetal development, respectively. The interactions of cortisol, progesterone and CBG affinity forms have not been studied together. We examined the interaction between progesterone and cortisol with CBG during fetal development. STUDY DESIGN A retrospective cohort analysis of 351 neonates born between January and December 2012 at the Women's and Children's Hospital, Adelaide, South Australia. Cord blood serum samples were collected immediately following delivery. Clinical data was provided by hospital records. Total cortisol, free cortisol, total progesterone, total CBG and haCBG were measured by immunoassay. RESULTS Cord blood total and free cortisol, and progesterone concentrations increased with gestational age. Cord blood progesterone concentrations were 100-fold luteal and 10-fold those in late pregnancy maternal circulation. The proportion of haCBG to total CBG was similar to that in healthy non-pregnant adults. However, free cortisol comprised approximately 15% of total cortisol, 3-fold higher than that in adults. CONCLUSION In a manner unique to fetal life, very high progesterone concentrations are capable of elevating free cortisol concentrations through competition with cortisol at CBG's hormone binding site, without altered binding affinity through CBG cleavage or altered CBG hormone-binding affinity. High circulating fetal progesterone concentrations compete for CBG binding with cortisol, leading to a 3-fold increase in the free cortisol fraction in cord blood. Higher free-to-bound cortisol may alter fetal cortisol distribution facilitating cortisol's roles such as neurodevelopment in concert with dehydroepiandrosterone (sulfate) and lung maturation, or support cortisol action at times of low ambient cortisol. This mechanism may underlie the known association between cortisol, progesterone and CBG, and be relevant principally in the fetal circulation due to the high progesterone concentrations encountered.
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16
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Almanza-Sepulveda ML, Fleming AS, Jonas W. Mothering revisited: A role for cortisol? Horm Behav 2020; 121:104679. [PMID: 31927022 DOI: 10.1016/j.yhbeh.2020.104679] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 12/31/2019] [Accepted: 01/03/2020] [Indexed: 12/26/2022]
Abstract
This selective review first describes the involvement of the maternal hypothalamic-pituitary-adrenal (HPA) axis during pregnancy and the postpartum period, and the relation between peripartum HPA axis function and maternal behavior, stress reactivity and emotional dysregulation in human mothers. To provide experimental background to this correlational work, where helpful, animal studies are also described. It then explores the association between HPA axis function in mothers and their infants, under ongoing non-stressful conditions and during stressful challenges, the moderating role of mothers' sensitivity and behavior in the mother-child co-regulation and the effects of more traumatic risk factors on these relations. The overarching theme being explored is that the HPA axis - albeit a system designed to function during periods of high stress and challenge - also functions to promote adaptation to more normative processes, shown in the new mother who experiences both high cortisol and enhanced attraction and attention to and recognition of, their infants and their cues. Hence the same HPA system shows positive relations with behavior at some time points and inverse ones at others. However, the literature is not uniform and results vary widely depending on the number, timing, place, and type of samplings and assessments, and, of course, the population being studied and, in the present context, the state, the stage, and the stress levels of mother and infant.
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Affiliation(s)
- Mayra L Almanza-Sepulveda
- Department of Psychology, University of Toronto at Mississauga, 3359 Mississauga Road, Mississauga, ON L5L 1C6, Canada
| | - Alison S Fleming
- Department of Psychology, University of Toronto at Mississauga, 3359 Mississauga Road, Mississauga, ON L5L 1C6, Canada.
| | - Wibke Jonas
- Department of Women's and Children's Health, Karolinska Institutet, Widerströmska Huset, Tomtebodavägen 18a, 171 77 Stockholm, Sweden.
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17
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Meister S, Kolben T, Beyer S, Hutter S, Hofmann S, Kuhn C, Messner J, Mayr D, Solano ME, Jegen M, Obermeier V, Mahner S, Arck P, Jeschke U. Sex-specific epigenetic gene activation profiles are differentially modulated in human placentas affected by intrauterine growth restriction. J Reprod Immunol 2020; 139:103124. [PMID: 32289580 DOI: 10.1016/j.jri.2020.103124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/09/2020] [Accepted: 03/18/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND The purpose of this study was to investigate the sex specific expression of histone protein modifications responsible for rapid gene expression in IUGR placentas. PATIENTS AND METHODS We screened for fetal sex-specific expression of the histone proteins H3K4me3 and H3K9ac in 23 IUGR and 40 control placentas via immunohistochemistry. The trophoblast-like cell line BeWo was used in order to analyze a potential effect of stimulation with prednisolone on H3K4me3 and H3K9ac in vitro. Calculating regression models with additional adjustment for potential confounders were used. RESULTS A significantly decreased level of H3K4me3 was detectable in female syncytiotrophoblasts, whereas H3K9ac was reduced predominantly in male extravillous throphoblast (EVT). No association to the gestational age existed. CONCLUSION Our data showed a reduced expression of the histone proteins H3K4me3 (female) and H3K9ac (male) in IUGR, furthermore elevated cortisol levels may lead to a sex-specific down-regulation of histone proteins in IUGR placentas.
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Affiliation(s)
- Sarah Meister
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
| | - Thomas Kolben
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
| | - Susanne Beyer
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
| | - Stefan Hutter
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
| | - Simone Hofmann
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
| | - Christina Kuhn
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
| | - Julia Messner
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
| | - Doris Mayr
- LMU Munich, Department of Pathology, Thalkirchner Str. 36, 80337 Munich, Germany
| | - Maria Emilia Solano
- University of Hamburg, Department of Gynecology and Obstetrics, Martinistr. 52, 20246, Hamburg, Germany.
| | - Magdalena Jegen
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany
| | - Viola Obermeier
- LMU Munich, Institute of Social Paediatrics and Adolescent Medicine, Haydnstr. 5, 80336, Munich, Germany
| | - Sven Mahner
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
| | - Petra Arck
- University of Hamburg, Department of Gynecology and Obstetrics, Martinistr. 52, 20246, Hamburg, Germany.
| | - Udo Jeschke
- LMU Munich, Department of Gynecology and Obstetrics, Maistrasse 11, 80337, Munich, Germany.
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18
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Siemiątkowska A, Kosicka K, Szpera-Goździewicz A, Krzyścin M, Bręborowicz GH, Główka FK. Cortisol metabolism in pregnancies with small for gestational age neonates. Sci Rep 2019; 9:17890. [PMID: 31784640 PMCID: PMC6884581 DOI: 10.1038/s41598-019-54362-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 11/12/2019] [Indexed: 11/27/2022] Open
Abstract
Small for gestational age (SGA) newborns are often born from hypertensive pregnancies. This study aimed to compare the systemic metabolism of cortisol (F) in pregnancies with SGA and appropriate for gestational age (AGA) infants, considering both the normotensive (NT) and hypertensive patients. We hypothesized that the disturbances in systemic metabolism of F in pre-eclampsia (PE) might be attributed not to hypertension only, but to SGA. The study included 117 pregnants in the third trimester, divided into groups: NT pregnancy and SGA neonate (SGA-NT); NT pregnancy and AGA neonate (AGA-NT; controls), and respective groups with PE: SGA-PE and AGA-PE. We assessed the glucocorticoid balance with the function of enzymes involved in systemic metabolism of F: 11β-hydroxysteroid dehydrogenase type 1 and 2 (11β-HSD1 and 11β-HSD2), 5α- and 5β-reductase. The enzymes' functions were estimated with the levels of F, cortisone (E), and their metabolites in plasma or urine, which we measured with HPLC-FLD and HPLC-MS/MS. The plasma F/E and urinary free F/E (UFF/UFE) ratios correlated significantly only in patients with the normal function of 5α- and 5β-reductase. The increased function of 11β-HSD2 was noted in all pre-eclamptic pregnancies. Increased function of 5α- and 5β-reductase was specific only for SGA-PE pregnancies, and the function of 5α-reductase was dependent on fetal sex. The SGA-NT pregnancies with male fetuses trended towards the higher function of renal 11β-HSD2 and 5β-reductase; SGA-NT pregnancies with female fetuses lacked any systemic glucocorticoid imbalance. In conclusion, systemic metabolism of F is the most intensive in pre-eclamptic pregnancies complicated by SGA with female fetuses. Our study supports the hypothesis about the different origins of PE and idiopathic intrauterine growth restriction and suggests the sex-specific mechanisms responsible for fetal growth restriction.
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Affiliation(s)
- Anna Siemiątkowska
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, 60-781, Poznań, Poland
| | - Katarzyna Kosicka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, 60-781, Poznań, Poland.
| | - Agata Szpera-Goździewicz
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, 33 Polna Street, 60-535, Poznań, Poland
| | - Mariola Krzyścin
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, 33 Polna Street, 60-535, Poznań, Poland
| | - Grzegorz H Bręborowicz
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, 33 Polna Street, 60-535, Poznań, Poland
| | - Franciszek K Główka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, 60-781, Poznań, Poland
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19
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Investigating Stress Response during Vaginal Delivery and Elective Cesarean Section through Assessment of Levels of Cortisol, Interleukin 6 (IL-6), Growth Hormone (GH) and Insulin-Like Growth Factor 1 (IGF-1). J Clin Med 2019; 8:jcm8081112. [PMID: 31357604 PMCID: PMC6723771 DOI: 10.3390/jcm8081112] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/18/2019] [Accepted: 07/25/2019] [Indexed: 12/24/2022] Open
Abstract
Background: How do stress related phenomena during labor differ between vaginal delivery (VD) and elective cesarean section (CS), remains of heightened interest. The purpose of this study is to investigate discrepancies regarding the stress response during VD and CS. Methods: Cortisol, interleukin 6 (IL-6), growth hormone (GH) and insulin-like growth factor 1 (IGF-1) levels from parturients’ peripheral blood were evaluated on three time-points, namely during the first stage of labor (TP1), two hours post labor (TP2) and 48 h post labor (TP3). Levels were also evaluated from the umbilical cord blood. A total of 50 women were enrolled in this prospective cohort study, with 24 and 26 subjected to CS and VD, respectively. Results: No statistically significant differences were observed between the two groups at TP1. Only GH levels presented the same pattern during the three time-points among both groups. In the umbilical cord blood, the CS group presented statistically significant higher IGF-1 and GH levels. In the umbilical cord blood, IGF-1 and GH levels were positively correlated, while GH and cortisol levels were negatively correlated. Conclusion: CS is a less stressful procedure than VD and is further associated with less intense inflammation, albeit with a longer inflammatory response period. Labor physiology during CS differs considerably regarding respective observations during VD. This merits extensive investigation in order to decipher these data for optimal clinical practice and guidelines.
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20
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Hutter S, Hepp P, Hofmann S, Kuhn C, Messner J, Andergassen U, Mayr D, Emilia Solano M, Obermeier V, Mahner S, Arck P, Jeschke U. Glucocorticoid receptors α and β are modulated sex specifically in human placentas of intrauterine growth restriction (IUGR). Arch Gynecol Obstet 2019; 300:323-335. [PMID: 31089804 DOI: 10.1007/s00404-019-05189-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 05/06/2019] [Indexed: 01/07/2023]
Abstract
PURPOSE The objective of this study was to analyze the expression of the glucocorticoid receptor (GR) subtypes GRα and GRβ in placentas affected by intrauterine growth restriction (IUGR). METHODS We analyzed the sex-specific placental expression of GRα and GRβ in 23 IUGR and 40 control placentas using immunohistochemistry and immunofluorescence. The GR gene, also known as nuclear receptor subfamily 3 group C member 1 (NR3C1), mRNA production in trophoblast-like cell line BeWo after stimulation with prednisolone was analyzed using quantitative polymerase chain reaction (qPCR) and on the protein level using western blot analysis. RESULTS GR subtypes showed a sex-specific upregulation in placentas from IUGR compared to control placentas. An increased expression of GRα was detectable in female placental tissue, whereas GRβ was increased in males. CONCLUSION Our data support previous findings suggesting that the glucocorticoid metabolism plays a role in the pathophysiology of IUGR. Furthermore, the data suggest that the underlying molecular mechanisms differ between male and female cases.
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Affiliation(s)
- Stefan Hutter
- Department of Gynecology and Obstetrics, LMU Munich, Maistraße 11, 80337, Munich, Germany
| | - Paula Hepp
- Department of Gynecology and Obstetrics, LMU Munich, Maistraße 11, 80337, Munich, Germany
| | - Simone Hofmann
- Department of Gynecology and Obstetrics, LMU Munich, Maistraße 11, 80337, Munich, Germany
| | - Christina Kuhn
- Department of Gynecology and Obstetrics, LMU Munich, Maistraße 11, 80337, Munich, Germany
| | - Julia Messner
- Department of Gynecology and Obstetrics, LMU Munich, Maistraße 11, 80337, Munich, Germany
| | - Ulrich Andergassen
- Department of Gynecology and Obstetrics, LMU Munich, Maistraße 11, 80337, Munich, Germany
| | - Doris Mayr
- Department of Pathology, LMU Munich, Thalkirchner Str. 142, 80337, Munich, Germany
| | - Maria Emilia Solano
- Department of Gynecology and Obstetrics, University of Hamburg, Martinistr. 52, 20246, Hamburg, Germany
| | - Viola Obermeier
- Institute of Social Pediatrics and Adolescent Medicine, LMU Munich, Haydnstr. 5, 80336, Munich, Germany
| | - Sven Mahner
- Department of Gynecology and Obstetrics, LMU Munich, Maistraße 11, 80337, Munich, Germany
| | - Petra Arck
- Department of Gynecology and Obstetrics, University of Hamburg, Martinistr. 52, 20246, Hamburg, Germany
| | - Udo Jeschke
- Department of Gynecology and Obstetrics, LMU Munich, Maistraße 11, 80337, Munich, Germany.
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21
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Bärebring L, O'Connell M, Winkvist A, Johannsson G, Augustin H. Serum cortisol and vitamin D status are independently associated with blood pressure in pregnancy. J Steroid Biochem Mol Biol 2019; 189:259-264. [PMID: 30710744 DOI: 10.1016/j.jsbmb.2019.01.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 01/21/2019] [Accepted: 01/30/2019] [Indexed: 12/19/2022]
Abstract
The aim was to study if serum cortisol during pregnancy was associated with blood pressure and development of gestational hypertensive disorders. Additionally, associations between 25-hydroxyvitamin D (25OHD) and cortisol, including confounding effects and interactions in their relation to blood pressure were investigated. In total, 1413 pregnant women from the prospective Swedish GraviD cohort were included. Serum was collected in the first (T1) and third trimester (T3) and analyzed for 25OHD by liquid chromatography mass spectrometry and cortisol using an electro-chemiluminescence immunoassay. The main outcome measures were T1 blood pressure and development of gestational hypertensive disorders (gestational hypertension or preeclampsia). Gestational hypertensive disorders were defined as new onset hypertension, with or without proteinuria, after gestational week 20. Mean ± SD cortisol increased significantly from T1 to T3 (312 ± 123 vs. 659 ± 201 nmol/L, p < 0.001) and this increase was influenced by ethnicity. Serum concentrations of cortisol and 25OHD correlated in both T1 (B = 0.35, p < 0.001) and T3 (B = 0.30, p < 0.001). Cortisol and 25OHD were positively associated with T1 blood pressure, and there were non-significant trends for associations with gestational hypertensive disorders. Cortisol and 25OHD did not display any confounding effect or effect modification in their relationships with blood pressure. In conclusion, there was a positive correlation between serum cortisol and 25OHD in both early and late pregnancy. Both cortisol and 25OHD were positively associated with early pregnancy blood pressure. These results imply that the two hormones might be on different paths in their relationship with blood pressure.
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Affiliation(s)
- Linnea Bärebring
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Box 459, 40530, Gothenburg, Sweden.
| | - Moira O'Connell
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Box 459, 40530, Gothenburg, Sweden.
| | - Anna Winkvist
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Box 459, 40530, Gothenburg, Sweden.
| | - Gudmundur Johannsson
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Box 459, 40530, Gothenburg, Sweden; Department of Endocrinology, Sahlgrenska University Hospital, Medicinmottagning Sahlgrenska, 413 45, Gothenburg, Sweden.
| | - Hanna Augustin
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Box 459, 40530, Gothenburg, Sweden.
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22
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Anno T, Kawasaki F, Shigemoto R, Irie S, Mune T, Kaku K, Kaneto H. Alteration of ACTH and Cortisol Levels After Estradiol Valerate Treatment in a Male Subject With Gender Dysphoria: A Case Report. Front Endocrinol (Lausanne) 2019; 10:751. [PMID: 31827460 PMCID: PMC6849494 DOI: 10.3389/fendo.2019.00751] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 10/16/2019] [Indexed: 11/29/2022] Open
Abstract
Background: The number of subjects with gender dysphoria has been increasing. In general, male-to-female transsexual subjects are treated with estradiol valerate therapy. In this report, we showed the time course of ACTH and cortisol levels after estradiol valerate injection in a male subject with gender dysphoria. It seemed that alteration of estradiol levels influenced ACTH and cortisol levels via some pathway. Case presentation: A 31-year-old man with estradiol valerate therapy for gender dysphoria was referred due to an elevation of serum cortisol levels. She started hormone therapy at 26 years old. Her laboratory analyses showed an elevation of plasma ACTH and cortisol levels. There were no remarkable changes in the adrenal gland and pituitary gland. Her estradiol levels were elevated 7 days after estradiol valerate injection, but they were not detected 18 days after such treatment. Interestingly, plasma ACTH and serum cortisol levels were moderately decreased 7 days after estradiol valerate injection, but both were markedly elevated 18 days after such treatment. Conclusions: We should bear in mind the possibility of elevation in plasma ACTH and serum cortisol levels when we start estradiol valerate injection in subjects with gender dysphoria. In addition, we may need to check ACTH and cortisol levels when we use estrogen replacement therapy for a long period of time in subjects with gender dysphoria.
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Affiliation(s)
- Takatoshi Anno
- Department of General Internal Medicine 1, Kawasaki Medical School, Okayama, Japan
- *Correspondence: Takatoshi Anno
| | - Fumiko Kawasaki
- Department of General Internal Medicine 1, Kawasaki Medical School, Okayama, Japan
| | - Ryo Shigemoto
- Department of General Internal Medicine 1, Kawasaki Medical School, Okayama, Japan
| | - Shintaro Irie
- Department of General Internal Medicine 1, Kawasaki Medical School, Okayama, Japan
| | - Tomoatsu Mune
- Department of Diabetes, Metabolism and Endocrinology, Kawasaki Medical School, Kurashiki, Japan
| | - Kohei Kaku
- Department of General Internal Medicine 1, Kawasaki Medical School, Okayama, Japan
| | - Hideaki Kaneto
- Department of Diabetes, Metabolism and Endocrinology, Kawasaki Medical School, Kurashiki, Japan
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23
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Kosicka K, Siemiątkowska A, Szpera-Goździewicz A, Krzyścin M, Bręborowicz GH, Główka FK. Increased cortisol metabolism in women with pregnancy-related hypertension. Endocrine 2018; 61:125-133. [PMID: 29611097 PMCID: PMC5997110 DOI: 10.1007/s12020-018-1586-4] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 03/17/2018] [Indexed: 02/03/2023]
Abstract
PURPOSE The diminished function of 11β-hydroxysteroid dehydrogenase 2 (11β-HSD2) was found in placentae from preeclamptic pregnancies. Here, we examine the overall maternal glucocorticoid balance in pregnancy-related hypertension. We aim to answer the question if the functions of primary enzymes involved in cortisol metabolism: 11β-HSD1 and 11β-HSD2 and 5-reductases (both 5α- and 5β) are altered in the course of hypertensive pregnancy. METHODS We determined plasma and urinary cortisol and cortisone as well as their urinary tetrahydro- and allo-tetrahydrometabolites, both in free and conjugated forms in samples obtained from 181 Polish women in the third trimester of pregnancy. We compared steroid profiles in women with preeclampsia (PE), gestational hypertension (GH), chronic hypertension (CH) and in normotensives (controls). RESULTS We found significant differences in glucocorticoid balance in pregnancy-related hypertension. Plasma cortisol to cortisone was significantly lower in PE than in controls (3.00 vs. 4.79; p < 0.001). Increased function of renal 11β-HSD2 in PE and GH was manifested by significantly lower urinary free cortisol to cortisone ratio (0.169 and 0.206 vs. 0.277 in controls; p < 0.005). Markedly enhanced metabolism of cortisol was observed in pregnancy-related hypertension, with no significant alterations in CH, and the changes were more clearly expressed in PE than in GH. CONCLUSIONS The glucocorticoid balance in PE and GH is shifted towards decreasing cortisol concentration either due to intensified conversion to cortisone or enhanced production of tetrahydro and allo-tetrahydrometabolites.
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Affiliation(s)
- Katarzyna Kosicka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, Poznań, 60-781, Poland.
| | - Anna Siemiątkowska
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, Poznań, 60-781, Poland
| | - Agata Szpera-Goździewicz
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, 33 Polna Street, Poznań, 60-535, Poland
| | - Mariola Krzyścin
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, 33 Polna Street, Poznań, 60-535, Poland
| | - Grzegorz H Bręborowicz
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, 33 Polna Street, Poznań, 60-535, Poland
| | - Franciszek K Główka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, Poznań, 60-781, Poland
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Gudmand-Hoeyer J, Ottesen JT. Analysis and validation of a new extended method for estimating plasma free cortisol including neutrophil elastase and competition from other steroids. J Steroid Biochem Mol Biol 2018; 181:109-124. [PMID: 29678493 DOI: 10.1016/j.jsbmb.2018.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 03/15/2018] [Accepted: 04/13/2018] [Indexed: 12/11/2022]
Abstract
A non-linear mechanistic model for the distribution of cortisol in plasma on free and bound forms is proposed. The influence of progesterone, testosterone and neutrophil elastase on the cortisol distribution in the blood is investigated. The activity of neutrophil elastase is directly included in the model with the concentration of elastase and the kinetic constants describing the activity of elastase collected in one single input variable. The model is very sensitive towards this input variable and fits data excellently, when it is allowed to be subject specific. The analysis shows that steroids such as testosterone with low affinity for corticosteroid-binding globulin (CBG) do not significantly influence the concentration of free cortisol. Progesterone has a high affinity for CBG, but low plasma concentrations compared to cortisol. Contrary to expectations, progesterone is shown to impact the distribution of cortisol in plasma both under circumstances with high levels as seen in pregnancy and during the normal menstrual cycle of women. Comparing the predictions of our model with predictions made with the equilibrium models by Coolens et al. [1], Dorin et al. [2] and Nguyen et al. [3] shows that the models differ considerably not only in their predictions for free cortisol, but also for cortisol on bound forms; i.e. bound to albumin, intact CBG and elastase-cleaved CBG. Disregarding some of the smallest terms of the model equations a reduced version of the model in form of a fourth order polynomial equation is obtained. The reduced version of the model performs almost identically to the full version and serves as a new formula for calculating the plasma free cortisol concentration.
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Affiliation(s)
| | - Johnny T Ottesen
- Department of Science and Environment, Roskilde University, Denmark.
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25
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Soo JY, Wiese MD, Berry MJ, Morrison JL. Does poor fetal growth influence the extent of fetal exposure to maternal medications? Pharmacol Res 2018; 130:74-84. [DOI: 10.1016/j.phrs.2018.02.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 12/18/2017] [Accepted: 02/01/2018] [Indexed: 10/18/2022]
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26
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The plasma protein binding of the endogenous glucocorticosteroids is of vital importance for the concentrations in hair and saliva. Forensic Sci Int 2018; 286:23-30. [PMID: 29547783 DOI: 10.1016/j.forsciint.2018.01.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Revised: 12/22/2017] [Accepted: 01/29/2018] [Indexed: 01/13/2023]
Abstract
BACKGROUND The endogenous glucocorticosteroid cortisol (F) and its metabolite cortisone (E) are known to be involved in stress adaption and anti-inflammatory and immune regulatory effects. The ratios of F to E in the matrices serum, hair and saliva are different. The shift of this ratio by the enzyme activity of 11β-hydroxysteroid-dehydrogenase, which inactivates cortisol, was often discussed. The aim of our study was to calculate the contribution of the plasma protein binding (PPB) to this shift. The PPB of F is known to be 96% of the total F-Concentration in serum. The PPB of E was not analyzed in previous studies. METHODS Our study was designed to evaluate the correlation of corticosteroid concentrations in serum (total and free), hair and saliva. The samples were self-collected by the author (A.K.) monthly over a pregnancy cycle (1st samples before pregnancy, 8 samples during pregnancy and 5 samples postpartum). Serum protein binding was calculated from the determination of the total hormone concentrations of F and E (protein bound and unbound) and the free hormone concentrations in serum. The samples were processed by ether extraction and ultrafiltration. Hair samples were extracted with methanol and purified by solid-phase extraction. Saliva samples were collected using Salivette® collection system. The concentrations of F and E were measured by liquid chromatography-mass spectrometry with LODs for free serum, total serum, hair and saliva of F: 0.11ng/mL, 2.13ng/mL, 1.6pg/mg, 0.08ng/mL and E: 0.12ng/mL, 0.54ng/mL, 2.1pg/mg, 0.09ng/mL, respectively. RESULTS AND DISCUSSION The serum concentrations (free and total) of both glucocorticosteroids rise up continuously during the time of pregnancy and decrease after delivery. The free and total serum concentrations were well correlated. No change was detected for the intensity of PPB of F. In contrast, the PPB of E decreases from 86.3% to 80.7% during pregnancy. The concentration ratios of F to E change from 3:1 in total serum to 1:1 in free serum. For hair samples, an increase of F and E in proximal segments was confirmed with the highest concentration 6.5weeks postpartum. Independently, corticosteroid concentrations in corresponding hair segments were found to be reduced with increasing distance from the root; an average decline of F and E by half in 5 and 6months was estimated, respectively. The counter effect of the mechanisms incorporation and wash-out is clearly visible. For saliva samples a good correlation with free, non-protein bound serum concentration was detected.
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27
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Duffy AR, Schminkey DL, Groer MW, Shelton M, Dutra S. Comparison of Hair Cortisol Levels and Perceived Stress in Mothers Who Deliver at Preterm and Term. Biol Res Nurs 2018; 20:292-299. [PMID: 29490472 DOI: 10.1177/1099800418758952] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
OBJECTIVE To evaluate relationships between hair cortisol levels and perceived stress in mothers who deliver preterm and term. We hypothesized that the rate of change in cortisol levels would be greater in the preterm delivery group. METHODS This preliminary study compared hair cortisol levels and Perceived Stress Scale (PSS) scores in predominately Caucasian mothers who delivered preterm ( n = 22) and term ( n = 30). We collected PSS and hair samples of ≥10 cm in length from mothers after delivery. Hair was segmented into three sections, and cortisol was measured using enzyme-linked immunosorbent assay. RESULTS The mean gestational age was 31.45 ( SD = 4.2) weeks for preterm deliveries and 39.45 ( SD = 1.1) for term. Cortisol differed significantly in the third trimester between mothers delivering term and preterm ( t = 2.16, df = 48, p = .04) and trended toward significance in the second trimester ( t = 1.88, df = 48, p = .06). PSS differed significantly between the two groups ( t = -2.96, df = 50, p = .05). Our data did not provide support for our hypothesis. CONCLUSION There appeared to be a blunted, flattened pattern of change in cortisol levels across gestation in the women who delivered preterm, suggesting diminished hypothalamic-pituitary-adrenal axis responsiveness in mechanisms that promote preterm labor. Future studies are needed to further evaluate best strategies for measuring the mechanisms of allostatic load during pregnancy along with the psychoneuroendocrine and immune triggers and placental responses that lead to premature birth.
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Affiliation(s)
- Allyson R Duffy
- 1 University of South Florida College of Nursing, Tampa, FL, USA
| | - Donna L Schminkey
- 2 University of Virginia School of Nursing, Charlottesville, VA, USA
| | - Maureen W Groer
- 1 University of South Florida College of Nursing, Tampa, FL, USA
| | - Melissa Shelton
- 1 University of South Florida College of Nursing, Tampa, FL, USA.,3 Sarasota Memorial Health Care System, Sarasota, FL, USA
| | - Samia Dutra
- 1 University of South Florida College of Nursing, Tampa, FL, USA
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Meyer EJ, Nenke MA, Lewis JG, Torpy DJ. Corticosteroid-binding globulin: acute and chronic inflammation. Expert Rev Endocrinol Metab 2017; 12:241-251. [PMID: 30058887 DOI: 10.1080/17446651.2017.1332991] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Corticosteroid-binding globulin (CBG) is the principal transport protein for cortisol binding 80% in a 1:1 ratio. Since its discovery in 1958, CBG's primary function has been considered to be cortisol transport within the circulation. More recent data indicate a cortisol tissue delivery function, particularly at inflammatory sites. CBG's structure as a non-inhibitory serine protease inhibitor allows allosteric structural change after reactive central loop (RCL) cleavage by neutrophil elastase (NE) and RCL insertion into CBG's protein core. Transition from the high to low affinity CBG form reduces cortisol-binding. Areas covered: In acute systemic inflammation, high affinity CBG (haCBG) is depleted proportionate to sepsis severity, with lowest levels seen in non-survivors. Conversely, in chronic inflammation, CBG cleavage is paradoxically reduced in proportion to disease severity, implying impaired targeted delivery of cortisol. CBG's structure allows thermosensitive release of bound cortisol, by reversible partial insertion of the RCL and loosening of CBG:cortisol binding. Recent studies indicate a significant frequency of function-altering single nucleotide polymorphisms of the SERPINA6 gene which may be important in population risk of inflammatory disease. Expert commentary: Further exploration of CBG in inflammatory disease may offer new avenues for treatment based on the model of optimal cortisol tissue delivery.
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Affiliation(s)
- Emily J Meyer
- a Endocrine and Metabolic Unit , Royal Adelaide Hospital , Adelaide , Australia
- b Discipline of Medicine , University of Adelaide , Adelaide , Australia
| | - Marni A Nenke
- a Endocrine and Metabolic Unit , Royal Adelaide Hospital , Adelaide , Australia
- b Discipline of Medicine , University of Adelaide , Adelaide , Australia
| | - John G Lewis
- c Steroid & Immunobiochemistry Laboratory , Canterbury Health Laboratories , Christchurch , New Zealand
| | - David J Torpy
- a Endocrine and Metabolic Unit , Royal Adelaide Hospital , Adelaide , Australia
- b Discipline of Medicine , University of Adelaide , Adelaide , Australia
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29
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Clifton V, Cuffe J, Moritz K, Cole T, Fuller P, Lu N, Kumar S, Chong S, Saif Z. Review: The role of multiple placental glucocorticoid receptor isoforms in adapting to the maternal environment and regulating fetal growth. Placenta 2017; 54:24-29. [DOI: 10.1016/j.placenta.2016.12.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 12/13/2016] [Accepted: 12/15/2016] [Indexed: 01/28/2023]
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30
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Owa T, Mimura K, Kakigano A, Matsuzaki S, Kumasawa K, Endo M, Tomimatsu T, Kimura T. Pregnancy outcomes in women with different doses of corticosteroid supplementation during labor and delivery. J Obstet Gynaecol Res 2017; 43:1132-1138. [DOI: 10.1111/jog.13336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 02/12/2017] [Accepted: 02/26/2017] [Indexed: 11/27/2022]
Affiliation(s)
- Takao Owa
- Department of Obstetrics and Gynecology; Osaka University Graduate School of Medicine; Osaka Japan
| | - Kazuya Mimura
- Department of Obstetrics and Gynecology; Osaka University Graduate School of Medicine; Osaka Japan
| | - Aiko Kakigano
- Department of Obstetrics and Gynecology; Osaka University Graduate School of Medicine; Osaka Japan
| | - Shinya Matsuzaki
- Department of Obstetrics and Gynecology; Osaka University Graduate School of Medicine; Osaka Japan
| | - Keiichi Kumasawa
- Department of Obstetrics and Gynecology; Osaka University Graduate School of Medicine; Osaka Japan
| | - Masayuki Endo
- Department of Obstetrics and Gynecology; Osaka University Graduate School of Medicine; Osaka Japan
| | - Takuji Tomimatsu
- Department of Obstetrics and Gynecology; Osaka University Graduate School of Medicine; Osaka Japan
| | - Tadashi Kimura
- Department of Obstetrics and Gynecology; Osaka University Graduate School of Medicine; Osaka Japan
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31
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Nenke MA, Zeng A, Meyer EJ, Lewis JG, Rankin W, Johnston J, Kireta S, Jesudason S, Torpy DJ. Differential Effects of Estrogen on Corticosteroid-Binding Globulin Forms Suggests Reduced Cleavage in Pregnancy. J Endocr Soc 2017; 1:202-210. [PMID: 29264477 PMCID: PMC5686768 DOI: 10.1210/js.2016-1094] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 02/08/2017] [Indexed: 01/09/2023] Open
Abstract
Corticosteroid-binding globulin (CBG) is secreted as high-affinity CBG (haCBG), which may be cleaved by tissue proteases to low-affinity CBG (laCBG), releasing free cortisol. Pregnancy and the estrogen-based combined oral contraceptive pill (COCP) increase CBG concentrations twofold to threefold. The relative effects of these two hyperestrogenic states on the CBG affinity forms are unknown. We performed an observational study in 30 pregnant women, 27 COCP takers and 23 controls. We analyzed circulating total CBG, haCBG, laCBG, and free and total cortisol concentrations. In pregnancy, total CBG and haCBG were increased compared to controls (both P < 0.0001); however, laCBG concentrations were similar. In COCP takers, total CBG and haCBG were increased [802 ± 41 vs compared to controls (both P < 0.0001)], but laCBG was also increased (P = 0.03). Pregnancy and use of COCP were associated with a comparable rise in haCBG, but laCBG was lower in pregnancy (P < 0.0001). These results were consistent with an estrogen-mediated increase in CBG synthesis in both hyperestrogenemic states but with reduced CBG cleavage in pregnancy relative to the COCP, perhaps due to pregnancy-induced CBG glycosylation. Speculatively, increased circulating haCBG concentrations in pregnancy may provide an increased reservoir of CBG-bound cortisol to prepare for the risk of puerperal infection or allow for cortisol binding in the face of competition from increased circulating progesterone concentrations.
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Affiliation(s)
| | - Anna Zeng
- Central and Northern Adelaide Renal Transplantation Service, Centre for Clinical and Experimental Transplantation, Royal Adelaide Hospital.,School of Medicine, University of Adelaide, and
| | | | - John G Lewis
- Steroid and Immunobiochemistry Laboratory, Canterbury Health Laboratories, Christchurch, New Zealand
| | - Wayne Rankin
- Endocrine and Metabolic Unit, and.,School of Medicine, University of Adelaide, and.,Chemical Pathology Directorate, SA Pathology, Adelaide, South Australia 5000, Australia; and
| | - Julie Johnston
- Central and Northern Adelaide Renal Transplantation Service, Centre for Clinical and Experimental Transplantation, Royal Adelaide Hospital
| | - Svjetlana Kireta
- Central and Northern Adelaide Renal Transplantation Service, Centre for Clinical and Experimental Transplantation, Royal Adelaide Hospital
| | - Shilpanjali Jesudason
- Central and Northern Adelaide Renal Transplantation Service, Centre for Clinical and Experimental Transplantation, Royal Adelaide Hospital.,School of Medicine, University of Adelaide, and
| | - David J Torpy
- Endocrine and Metabolic Unit, and.,School of Medicine, University of Adelaide, and
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32
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Meakin AS, Saif Z, Jones AR, Aviles PFV, Clifton VL. Review: Placental adaptations to the presence of maternal asthma during pregnancy. Placenta 2017; 54:17-23. [PMID: 28131319 DOI: 10.1016/j.placenta.2017.01.123] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 01/10/2017] [Accepted: 01/20/2017] [Indexed: 12/19/2022]
Abstract
Asthma is a highly prevalent chronic medical condition affecting an estimated 12% of pregnant, women each year, with prevalence of asthma greatest (up to 16%) among the socially disadvantaged. Maternal asthma is associated with significant perinatal morbidity and mortality including preterm births, neonatal hospitalisations and low birthweight outcomes each year. We have identified that the placenta adapts to the presence of chronic, maternal asthma during pregnancy in a sex specific manner that may confer sex differences in fetal outcome. The male fetus was at greater risk of a poor outcome than a female fetus in the presence of maternal asthma and an acute inflammatory event such as an asthma exacerbation. This review will examine the role of sex specific differences in placental function on fetal growth and survival.
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Affiliation(s)
- A S Meakin
- Mater Medical Research Institute, University of Queensland, Brisbane, Australia
| | - Z Saif
- Mater Medical Research Institute, University of Queensland, Brisbane, Australia
| | - A R Jones
- Mater Medical Research Institute, University of Queensland, Brisbane, Australia
| | | | - V L Clifton
- Mater Medical Research Institute, University of Queensland, Brisbane, Australia.
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Henley D, Brown S, Pennell C, Lye S, Torpy DJ. Evidence for central hypercortisolism and elevated blood pressure in adolescent offspring of mothers with pre-eclampsia. Clin Endocrinol (Oxf) 2016; 85:583-9. [PMID: 27144974 DOI: 10.1111/cen.13092] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 01/04/2016] [Accepted: 04/29/2016] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Maternal total and free cortisol concentrations are reduced in pre-eclampsia (PE) and gestational hypertension (GH). However, the effect of this on the hypothalamic-pituitary-adrenal (HPA) axis function in the offspring is unknown. We examined the basal HPA axis activity in adolescent offspring of mothers with pre-pregnancy hypertension/GH/PE. DESIGN AND SUBJECTS A total of 1182 participants (mean age 17·1 years) recruited from the Western Australian Pregnancy Cohort (Raine) Study provided fasting morning blood samples for basal HPA axis and concomitant clinical assessments, including blood pressure. MEASUREMENTS Plasma ACTH, total cortisol, corticosteroid-binding globulin (CBG) and free cortisol calculated by Coolens' equation were measured from the blood samples collected at home before 10:00 am. RESULTS Total plasma cortisol (689 ± 153 nmol/l vs 583 ± 172 nmol/l, P = 0·024), ACTH (15·5 ± 13 pmol/l vs 10·8 ± 5·1 pmol/l, P = 0·040) and calculated free cortisol (52 ± 21 nmol/l vs 42 ± 22 nmol/l, P = 0·052) were higher in the PE offspring than in controls. The pre-pregnancy hypertension group had evidence of a lower ACTH/plasma free cortisol ratio (0·22 vs 0·33 P = 0·020) and lower CBG (713 nmol/l vs 821 nmol/l, P = 0·004) compared with controls. Systolic blood pressure was elevated in the GH/PE group compared with controls (120 mmHg vs 116 mmHg, P = 0·006). CONCLUSIONS Hypothalamic-pituitary-adrenal axis activity is increased in the adolescent offspring of mothers with pre-eclampsia. This may be an adaptation resulting from the reduced maternal cortisol during foetal life. The resulting mild hypercortisolism may have implications for long-term health outcomes and warrants further investigation.
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Affiliation(s)
- David Henley
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, Australia.
- School of Medicine and Pharmacology, The University of Western Australia, Crawley, WA, Australia.
| | - Suzanne Brown
- Department of Endocrinology and Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, Australia
| | - Craig Pennell
- School of Women's and Infants' Health, The University of Western Australia, Crawley, WA, Australia
| | - Stephen Lye
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON, Canada
| | - David J Torpy
- Endocrine and Metabolic Unit, Royal Adelaide Hospital, Adelaide, SA, Australia
- School of Medicine, University of Adelaide, Adelaide, SA, Australia
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Lopes LML, Francisco RPV, Galletta MAK, Bronstein MD. Determination of nighttime salivary cortisol during pregnancy: comparison with values in non-pregnancy and Cushing's disease. Pituitary 2016; 19:30-8. [PMID: 26346684 DOI: 10.1007/s11102-015-0680-3] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
PURPOSE Nighttime salivary cortisol (NSC) has been proposed for the diagnosis of Cushing's syndrome during pregnancy. However, reference values for NCS in pregnant women have not been adequately determined. The aim of this study was to determine the reference values of NSC in the three gestational trimesters in order to help distinguish physiological from pathological hypercortisolism during pregnancy. METHODS This prospective and retrospective study evaluated 85 pregnant women in whom samples were collected in the first, second and/or third gestational trimester (pregnancy group), 33 non-pregnant women (control group), and 25 non-pregnant women with Cushing's disease (CD group). NSC was measured by enzyme-linked immunosorbent assay. RESULTS NSC increased progressively during pregnancy, reaching maximum levels on the third trimester (median 2.1-fold increase compared with controls, p < 0.001). Reference values for NSC were determined and the upper limits on each gestational trimester were: first trimester 0.25 µg/dL (6.9 nmol/L), second trimester 0.26 µg/dL (7.2 nmol/L), and third trimester 0.33 µg/dL (9.1 nmol/L). Cutoff values that separated the CD group from the three trimesters in the pregnancy groups were, respectively, 0.255 µg/dL (7.0 nmol/L), 0.260 µg/dL (7.2 nmol/L), and 0.285 µg/dL (7.9 nmol/L). Comparison of NSC cutoff values in pregnant women with CD patients showed high sensitivity and specificity in all three trimesters. CONCLUSIONS We established cutoff values for determination of NSC which can be useful for pregnant women with a diagnostic suspicion of CD.
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Affiliation(s)
- Ludmilla Malveira Lima Lopes
- Neuroendocrine Unit, Division of Endocrinology and Metabolism, Hospital das Clínicas, University of São Paulo Medical School, São Paulo, SP, Brazil.
| | | | - Marco Aurélio Knippel Galletta
- Department of Obstetrics and Gynecology, Hospital das Clínicas, University of São Paulo Medical School, São Paulo, SP, Brazil.
| | - Marcello Delano Bronstein
- Neuroendocrine Unit, Division of Endocrinology and Metabolism, Hospital das Clínicas, University of São Paulo Medical School, São Paulo, SP, Brazil.
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35
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Kosicka K, Siemiątkowska A, Główka FK. 11β-Hydroxysteroid Dehydrogenase 2 in Preeclampsia. Int J Endocrinol 2016; 2016:5279462. [PMID: 27200090 PMCID: PMC4856917 DOI: 10.1155/2016/5279462] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 04/05/2016] [Indexed: 11/17/2022] Open
Abstract
Preeclampsia is a serious medical problem affecting the mother and her child and influences their health not only during the pregnancy, but also many years after. Although preeclampsia is a subject of many research projects, the etiology of the condition remains unclear. One of the hypotheses related to the etiology of preeclampsia is the deficiency in placental 11β-hydroxysteroid dehydrogenase 2 (11β-HSD2), the enzyme which in normal pregnancy protects the fetus from the excess of maternal cortisol. The reduced activity of the enzyme was observed in placentas from pregnancies complicated with preeclampsia. That suggests the overexposure of the developing child to maternal cortisol, which in high levels exerts proapoptotic effects and reduces fetal growth. The fetal growth restriction due to the diminished placental 11β-HSD2 function may be supported by the fact that preeclampsia is often accompanied with fetal hypotrophy. The causes of the reduced function of 11β-HSD2 in placental tissue are still discussed. This paper summarizes the phenomena that may affect the activity of the enzyme at various steps on the way from the gene to the protein.
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Affiliation(s)
- Katarzyna Kosicka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, 60-781 Poznań, Poland
- *Katarzyna Kosicka:
| | - Anna Siemiątkowska
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, 60-781 Poznań, Poland
| | - Franciszek K. Główka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 6 Święcickiego Street, 60-781 Poznań, Poland
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36
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Fan F, Zou Y, Zhang Y, Zhang J, Ma X, Liu Y, Geng J, Li J, Liu K, Dart AM. Effects of Maternal Cortisol during Pregnancy on Children's Blood Pressure Responses. Neuroendocrinology 2016; 103:282-90. [PMID: 26159233 DOI: 10.1159/000437269] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Accepted: 06/28/2015] [Indexed: 11/19/2022]
Abstract
BACKGROUND It is well established that birth weight has an effect on subsequent blood pressure. Predominantly experimental studies have also reported effects of altered corticosteroid levels on subsequent cardiovascular responses. In the current study, we have examined the effects of both birth weight and maternal cortisol levels in a cohort of mothers and their pre-adolescent children. PROCEDURE A total of 216 women and their 7- to 9-year-old children comprised the cohort. The women had been assessed for plasma cortisol during the first (n = 71), second (n = 72) and third (n = 73) trimester. Maternal cortisol had been measured on a fasting sample taken between 9 and 11 a.m. The children's blood pressure and heart rate were recorded in the resting state, in response to a 10-min video game stress challenge and during recovery. Resting values, incremental responses to stress and recovery were evaluated. OBSERVATION Maternal cortisol levels increased with duration of pregnancy. There were inverse correlations between birth weight and all haemodynamic measures. The positive associations between maternal cortisol and children's haemodynamic measures were most evident in the first and second trimesters. Birth weight was inversely related to maternal cortisol. In multiple regression analyses, the effects of maternal cortisol were more consistent than those of birth weight. CONCLUSION Both birth weight and maternal cortisol are predictive of children's resting and stress-modulated haemodynamic measures. The effects of birth weight may partly mediate the effects of maternal cortisol.
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Affiliation(s)
- Fenling Fan
- Department of Cardiovascular Medicine, the First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, China
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Circulating maternal cortisol levels during vaginal delivery and elective cesarean section. Arch Gynecol Obstet 2015; 294:267-71. [PMID: 26690355 PMCID: PMC4937072 DOI: 10.1007/s00404-015-3981-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 12/01/2015] [Indexed: 12/05/2022]
Abstract
Introduction Maternal S-cortisol levels increase throughout pregnancy and peak in the third trimester. Even higher levels are seen during the physical stress of delivery. Since analgesia for women in labor has improved, it is possible that maternal stress during labor is reduced. The aim of this study was to compare maternal S-cortisol during vaginal delivery and elective cesarean section. Materials and methods Twenty healthy women with spontaneous vaginal delivery and healthy women (n = 20) undergoing elective cesarean section were included in the study. S-cortisol was measured during three stages of spontaneous vaginal delivery (tvd1, tvd2 and tvd3), as well as before and after elective cesarean section (tcs1 and tcs2). Results In the vaginal delivery group, mean S-cortisol at tvd1 was 1325 ± 521 nmol/L, at tvd2 1559 ± 591 nmol/L and at tvd3 1368 ± 479 nmol/L. In the cesarean section group, mean S-cortisol at tcs1 was 906 ± 243 nmol/L and at tcs2 831 ± 257 nmol/L. S-cortisol was higher in the vaginal delivery group at the onset of labor as compared to the cesarean section preoperative group (p = 0.006). There were also significant differences between S-cortisol levels postpartum as compared to postoperatively (p < 0.001). Conclusions Maternal S-cortisol was higher during vaginal delivery compared to elective cesarean section, indicating higher stress levels. A reduction in the hydrocortisone dose at childbirth in women with adrenal insufficiency should be considered, particularly in women undergoing an elective cesarean section.
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Kosicka K, Siemiątkowska A, Krzyścin M, Bręborowicz GH, Resztak M, Majchrzak-Celińska A, Chuchracki M, Główka FK. Glucocorticoid Metabolism in Hypertensive Disorders of Pregnancy: Analysis of Plasma and Urinary Cortisol and Cortisone. PLoS One 2015; 10:e0144343. [PMID: 26637176 PMCID: PMC4670176 DOI: 10.1371/journal.pone.0144343] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Accepted: 11/17/2015] [Indexed: 01/01/2023] Open
Abstract
Objectives The aim of the study was to analyze the plasma and urinary cortisol (F) and cortisone (E) levels in normotensive and hypertensive pregnant women. The parameters known to reflect the function of 11β-hydroxysteroid dehydrogenase type 2 (11β-HSD2) were calculated to verify the changes in glucocorticoid balance over the course of gestational hypertension (GH) and pre-eclampsia (PE). Materials and Methods This retrospective case-control study included women in the third trimester of pregnancy, diagnosed with: GH (n = 29), PE (n = 26), or chronic hypertension (CH; n = 22). Normotensive women in their third trimester of pregnancy were also included (controls; n = 43). The plasma and urinary F and E levels were measured with the HPLC-FLD method. The 11β-HSD2 function was estimated by calculating the following ratios: plasma F/E and urinary free F to urinary free E (UFF/UFE). A statistical analysis was performed based on case-control structure. Results and Discussion PE was characterized by lower plasma F levels (639.0 nmol/L), UFF/Cr levels (3.80 μg/mmol) and F/E ratio (3.46) compared with that of the controls (811.7 nmol/L, 6.28 μg/mmol and 5.19, respectively) with marked abnormalities observed in the changes of F/E and UFF/UFE ratios with advancing gestation. GH patients showed significant disparities in the urinary steroid profile with lower UFF/UFE ratio (0.330 vs. 0.401) compared with the normotensive controls and abnormal changes in the UFF/UFE throughout pregnancy. The observed tendency towards lower F/E and UFF/UFE ratios in PE and GH patients may reflect more intensive F metabolism over the course of those disorders. In the normal pregnancy group, the plasma F/E and UFF/UFE ratios tended to present inverse correlations with advancing gestation. This trend was much less marked in PE and GH patients, suggesting that the abnormalities in 11β-HSD2 functions progressed with the GA. The birth weights of neonates born from pre-eclamptic pregnancies were lower than those from uncomplicated pregnancies, although only when the babies were born prematurely. Children born at term to normotensive mothers or mothers suffering from PE had comparable birth weights.
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Affiliation(s)
- Katarzyna Kosicka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, Poznań, Poland
- * E-mail:
| | - Anna Siemiątkowska
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, Poznań, Poland
| | - Mariola Krzyścin
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, Poznań, Poland
| | - Grzegorz H. Bręborowicz
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, Poznań, Poland
| | - Matylda Resztak
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, Poznań, Poland
| | | | - Marek Chuchracki
- Department of Perinatology and Gynecology, Poznan University of Medical Sciences, Poznań, Poland
| | - Franciszek K. Główka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, Poznań, Poland
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Bae YJ, Kratzsch J. Corticosteroid-binding globulin: modulating mechanisms of bioavailability of cortisol and its clinical implications. Best Pract Res Clin Endocrinol Metab 2015; 29:761-72. [PMID: 26522460 DOI: 10.1016/j.beem.2015.09.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Corticosteroid-binding globulin (CBG) is the principal transport protein of glucocorticoids. Approximately 80-90% of serum cortisol binds to CBG with high affinity and only about 5% of cortisol remain unbound and is considered biologically active. CBG seems to modulate and influence the bioavailability of cortisol to local tissues. In this review, we will discuss physicochemical properties of CBG and structure of CBG in the mechanisms of binding and release of cortisol. This review describes several factors affecting CBG functions, such as genetic factors or temperature. Furthermore, clinical implications of CBG abnormalities and the measurement of CBG and its use for assessment of free cortisol levels are described in this review.
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Affiliation(s)
- Yoon Ju Bae
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Paul-List Strasse 13-15, D-04103, Leipzig, Germany.
| | - Juergen Kratzsch
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Paul-List Strasse 13-15, D-04103, Leipzig, Germany
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Saif Z, Hodyl NA, Stark MJ, Fuller PJ, Cole T, Lu N, Clifton VL. Expression of eight glucocorticoid receptor isoforms in the human preterm placenta vary with fetal sex and birthweight. Placenta 2015; 36:723-30. [PMID: 25990415 DOI: 10.1016/j.placenta.2015.05.001] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Revised: 04/08/2015] [Accepted: 05/01/2015] [Indexed: 11/15/2022]
Abstract
INTRODUCTION Administration of betamethasone to women at risk of preterm delivery is known to be associated with reduced fetal growth via alterations in placental function and possibly direct effects on the fetus. The placental glucocorticoid receptor (GR) is central to this response and recent evidence suggests there are numerous isoforms for GR in term placentae. In this study we have questioned whether GR isoform expression varies in preterm placentae in relation to betamethasone exposure, fetal sex and birthweight. METHODS Preterm (24-36 completed weeks of gestation, n = 55) and term placentae (>37 completed weeks of gestation, n = 56) were collected at delivery. Placental GR expression was examined using Western Blot and analysed in relation to gestational age at delivery, fetal sex, birthweight and betamethasone exposure. Data was analysed using non-parametric tests. RESULTS Eight known isoforms of the GR were detected in the preterm placenta and include GRα (94 kDa), GRβ (91 kDa), GRα C (81 kDa) GR P (74 kDa) GR A (65 kDa), GRα D1-3 (50-55 kDa). Expression varied between preterm and term placentae with a greater expression of GRα C in preterm placentae relative to term placentae. The only sex differences in preterm placentae was that GRα D2 expression was higher in males than females. There were no alterations in preterm placental GR expression in association with betamethasone exposure. DISCUSSION GRα C is the isoform involved in glucocorticoid induced apoptosis and suggests that its predominance in preterm placentae may contribute to the pathophysiology of preterm birth.
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Affiliation(s)
- Z Saif
- Robinson Research Institute, School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, SA, Australia
| | - N A Hodyl
- Robinson Research Institute, School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, SA, Australia
| | - M J Stark
- Robinson Research Institute, School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, SA, Australia
| | - P J Fuller
- Endocrinology, Monash Health, MIMR-PHI Institute, Monash University, Melbourne, VIC, Australia
| | - T Cole
- Department of Biochemistry & Molecular Biology, Faculty of Medicine, Monash University, Clayton, VIC, Australia
| | - N Lu
- Division of Allergy-Immunology, Department of Medicine, Northwestern University, Chicago, IL, USA
| | - V L Clifton
- Robinson Research Institute, School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, SA, Australia.
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Luiza JW, Gallaher MJ, Powers RW. Urinary cortisol and depression in early pregnancy: role of adiposity and race. BMC Pregnancy Childbirth 2015; 15:30. [PMID: 25885329 PMCID: PMC4335360 DOI: 10.1186/s12884-015-0466-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 02/03/2015] [Indexed: 11/29/2022] Open
Abstract
Background Depression before and during pregnancy is associated with adverse birth outcomes including low birth weight and preterm birth. Abnormal maternal cortisol has been hypothesized as one mediator between depression and adverse birth outcomes. The relationship between cortisol and depression in pregnancy is exhibited most strongly in the African American population, and most studies have focused either on circulating or placental levels of cortisol. The utility of urinary cortisol in early pregnancy related to depression and adiposity has not been investigated. Methods Twenty-five pregnant African American women identified by the Edinburgh Depression Scale as having depression were investigated and matched by body mass index (BMI), age, race, and infant birth weight centile to non-depressed subjects. Maternal urine and plasma cortisol in early pregnancy were quantified and investigated in relation to depression and adiposity. Results Morning urine cortisol levels tracked positively with plasma cortisol (r2 = 0.25, p < 0.001). However, no differences were observed in either urinary or plasma cortisol between depressed and non-depressed pregnant women. Plasma cortisol was significantly negatively associated with several measures of maternal adiposity including percent body fat (r2 = −0.10, p < 0.05), however this relationship was present only in the non-depressed women. In a post-hoc analysis, non-depressed non-obese women were found to have significantly higher cortisol levels compared to women with depression, obesity or both (p < 0.05). Conclusions Depressed pregnant women and non-depressed obese pregnant women evidence atypical cortisol levels compared to non-depressed non-obese pregnant women. Plasma cortisol in early pregnancy is negatively associated with measures of maternal adiposity. Atypical low circulating maternal cortisol among depressed (lean and obese) and non-depressed obese pregnant African American women may indicate hypothalamic-pituitary axis dysfunction in early pregnancy.
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Affiliation(s)
- John W Luiza
- Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
| | - Marcia J Gallaher
- Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
| | - Robert W Powers
- Department of Obstetrics, Gynecology and Reproductive Sciences, Pittsburgh, Pennsylvania, USA. .,Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA.
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Giurgescu C, Sanguanklin N, Engeland CG, White-Traut RC, Park C, Mathews HL, Janusek LW. Relationships among psychosocial factors, biomarkers, preeclampsia, and preterm birth in African American women: a pilot. Appl Nurs Res 2014; 28:e1-6. [PMID: 25282477 DOI: 10.1016/j.apnr.2014.09.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 08/24/2014] [Accepted: 09/03/2014] [Indexed: 11/16/2022]
Abstract
AIM To explore the relationships among psychosocial factors (optimism, uncertainty, social support, coping, psychological distress), biomarkers (cortisol, cytokines), preeclampsia, and preterm birth in African American women. METHODS Forty-nine pregnant African American women completed psychosocial questionnaires and had blood collected for biomarkers between 26 and 36 weeks of gestation. Birth outcomes were obtained from birth records. RESULTS Women reporting higher levels of social support had lower levels of pro-inflammatory cytokines (IL-2, IL-5, and IL-6). Surprisingly, compared with low-risk pregnant women, women diagnosed with preeclampsia reported more optimism and less avoidance, and had lower levels of cortisol and IFN-γ. Similarly, compared to women with full-term birth, women with preterm birth reported higher levels of optimism and lower levels of avoidance, and had lower levels of IL-10. CONCLUSION Psychosocial factors influence inflammation and pregnancy outcomes. Close assessment and monitoring of psychosocial factors may contribute to improved pregnancy outcomes.
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Affiliation(s)
| | | | | | | | - Chang Park
- College of Nursing, University of Illinois at Chicago
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Moon JY, Moon MH, Kim KT, Jeong DH, Kim YN, Chung BC, Choi MH. Cytochrome P450-mediated metabolic alterations in preeclampsia evaluated by quantitative steroid signatures. J Steroid Biochem Mol Biol 2014; 139:182-91. [PMID: 23474437 DOI: 10.1016/j.jsbmb.2013.02.014] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Revised: 02/13/2013] [Accepted: 02/24/2013] [Indexed: 12/13/2022]
Abstract
Although preeclampsia has been suggested potential risk factors including placental and systemic inflammation, oxidative stress, and abnormal steroid metabolism during pregnancy, the pathogenesis of preeclampsia has not fully been elucidated, particularly in steroid metabolism. The association between various cytochrome P450 (CYP)-mediated steroid metabolic markers and preeclampsia risk was therefore investigated. The serum levels of 54 CYP-mediated regioselective hydroxysteroids and their substrates were quantitatively evaluated from both pregnant women with preeclampsia (n=30; age, 30.8±4.5 years) and normotensive controls (n=30; age, 31.0±3.5 years), who were similar with respect to maternal age, gestational age, and body mass index. The levels of 6ß-, 7a-, and 11ß-hydroxymetabolites of androgens and corticoids were significantly increased in women with preeclampsia. In addition, the levels of oxysterols, including 7a-, 7ß-, 4ß-, 20a-, 24S-, and 27-hydroxycholesterol, were markedly higher, while the levels of 16a-OH-DHEA, 16a-OH-androstenedione, and cholesterol were significantly decreased in patients. The 6ß-hydroxylation of androgens and corticoids by CYP3A4 (P<0.01), the activation of 20,22-desmolase (a cholesterol side-chain cleavage enzyme) by CYP11A1 (P<0.00001), and the multi-hydroxylation of cholesterol at C-4ß, C-7a, C-7ß, C-24S, C-27, and C-20a (P<0.0001) by catalytic or enzymatic reaction (e.g. CYP3A4, CYP7A1, CYP27A1, and CYP46A1) were differed between preeclamptic women and control subjects. In particular, an increased oxysterols (induction>2.0-fold) were positively correlated with the conditions of preeclampsia. Our metabolic profiling suggests the CYP-mediated alterations in steroid metabolism and hydroxylation in pregnancy-induced hypertension. These multiple markers could serve as background information for improved clinical diagnosis and management during pregnancy. This article is part of a Special Issue entitled "Pregnancy and Steroids".
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Affiliation(s)
- Ju-Yeon Moon
- Future Convergence Research Division, Korea Institute of Science and Technology, Seoul 136-791, Republic of Korea; Department of Chemistry, Yonsei University, Seoul 120-749, Republic of Korea
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Lim WH, Torpy DJ, Jeffries WS. The medical management of Cushing's syndrome during pregnancy. Eur J Obstet Gynecol Reprod Biol 2013; 168:1-6. [DOI: 10.1016/j.ejogrb.2012.12.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Revised: 12/13/2012] [Accepted: 12/16/2012] [Indexed: 10/27/2022]
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Benfield RD, Newton ER, Tanner CJ, Heitkemper MM. Cortisol as a biomarker of stress in term human labor: physiological and methodological issues. Biol Res Nurs 2013; 16:64-71. [PMID: 23338011 DOI: 10.1177/1099800412471580] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Literature on the use of plasma cortisol to quantify psychophysiological stress in humans is extensive. However, in parturition at term gestation, the use of cortisol as a biomarker of stress is particularly complex. Plasma cortisol levels increase as labor progresses. This increase seems to be important for maintenance of maternal/fetal well-being and facilitation of normal labor progress. Unique physiological and methodological issues involved in the use of cortisol as a biomarker of stress in labor present challenges for researchers. This review examines these issues, suggests mixed methods and within-subject repeated measures designs, and offers recommendations for assay procedures for parturient sampling. Documentation of clinical interventions and delivery outcomes may elucidate relationships among psychophysiological stressors, cortisol, and normal labor progress. With attention to these methodological issues, analysis of plasma cortisol may lead to clinical interventions that support normal labor physiology.
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Affiliation(s)
- Rebecca D Benfield
- 1Department of Graduate Nursing Science, College of Nursing, East Carolina University, Greenville, NC, USA
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Perogamvros I, Ray DW, Trainer PJ. Regulation of cortisol bioavailability--effects on hormone measurement and action. Nat Rev Endocrinol 2012; 8:717-27. [PMID: 22890008 DOI: 10.1038/nrendo.2012.134] [Citation(s) in RCA: 103] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Routine assessment of the hypothalamic-pituitary-adrenal axis relies on the measurement of total serum cortisol levels. However, most cortisol in serum is bound to corticosteroid-binding globulin (CBG) and albumin, and changes in the structure or circulating levels of binding proteins markedly affect measured total serum cortisol levels. Furthermore, high-affinity binding to CBG is predicted to affect the availability of cortisol for the glucocorticoid receptor. CBG is a substrate for activated neutrophil elastase, which cleaves the binding protein and results in the release of cortisol at sites of inflammation, enhancing its tissue-specific anti-inflammatory effects. Further tissue-specific modulation of cortisol availability is conferred by corticosteroid 11β-dehydrogenase. Direct assessment of tissue levels of bioavailable cortisol is not clinically practicable and measurement of total serum cortisol levels is of limited value in clinical conditions that alter prereceptor glucocorticoid bioavailability. Bioavailable cortisol can, however, be measured indirectly at systemic, extracellular tissue and cell levels, using novel techniques that have provided new insight into the transport, metabolism and biological action of glucocorticoids. A more physiologically informative approach is, therefore, now possible in the assessment of the hypothalamic-pituitary-adrenal axis, which could prove useful in clinical practice.
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Affiliation(s)
- Ilias Perogamvros
- Endocrine Sciences Research Group, School of Medicine, University of Manchester, A. V. Hill Building, Oxford Road, Manchester M13 9PT, UK.
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Li Y, Wu L, Lei J, Zhu C, Wang H, Yu X, Lin H. Single nucleotide polymorphisms in the human corticosteroid-binding globulin promoter alter transcriptional activity. SCIENCE CHINA-LIFE SCIENCES 2012; 55:699-708. [PMID: 22932886 DOI: 10.1007/s11427-012-4365-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Accepted: 08/01/2012] [Indexed: 12/16/2022]
Abstract
Corticosteroid-binding globulin (CBG) is a high-affinity plasma protein that transports glucocorticoids and progesterone. Others and we have reported non-synonymous single nucleotide polymorphisms (SNPs) that influence CBG production or steroid-binding activity. However, no promoter polymorphisms affecting the transcription of human CBG gene (Cbg) have been reported. In the present study we investigated function implications of six promoter SNPs, including -26 C/G, -54 C/T, -144 G/C, -161 A/G, -205 C/A, and -443/-444 AG/-, five of which are located within the first 205 base pairs of 5'-flanking region and close to the highly conserved footprinted elements, TATA-box, or CCAAT-box. Luciferase reporter assays demonstrated that basal activity of the promoter carrying -54 T or -161 G was significantly enhanced. The first three polymorphisms, -26 C/G, -54 C/T, and -144 G/C located close to the putative hepatic nuclear factor (HNF) 1 binding elements, altered the transactivation effect of HNF1β. We also found a negative promoter response to dexamethasone-activated glucocorticoid receptor (GR) α, although none of the SNPs affected its transrepression function. Our results suggest that human Cbg -26 C/G, -54 C/T, -144 G/C, and -161 A/G promoter polymorphisms alter transcriptional activity, and further studies are awaited to explore their association with physiological and pathological conditions.
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Affiliation(s)
- Yue Li
- Department of Biochemistry and Molecular Biology, College of Basic Medical Science, Harbin Medical University, Harbin, 150081, China
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Sandman CA, Davis EP. Neurobehavioral risk is associated with gestational exposure to stress hormones. Expert Rev Endocrinol Metab 2012; 7:445-459. [PMID: 23144647 PMCID: PMC3493169 DOI: 10.1586/eem.12.33] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The developmental origins of disease or fetal programming model predict that early exposures to threat or adverse conditions have lifelong consequences that result in harmful outcomes for health. The maternal endocrine 'fight or flight' system is a source of programming information for the human fetus to detect threats and adjust their developmental trajectory for survival. Fetal exposures to intrauterine conditions including elevated stress hormones increase the risk for a spectrum of health outcomes depending on the timing of exposure, the timetable of organogenesis and the developmental milestones assessed. Recent prospective studies, reviewed here, have documented the neurodevelopmental consequences of fetal exposures to the trajectory of stress hormones over the course of gestation. These studies have shown that fetal exposures to biological markers of adversity have significant and largely negative consequences for fetal, infant and child emotional and cognitive regulation and reduced volume in specific brain structures.
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Affiliation(s)
- Curt A Sandman
- Department of Psychiatry & Human Behavior, Women and Children’s Health and Well-Being Project, University of California, Irvine, Orange, CA, USA
| | - Elysia Poggi Davis
- Department of Psychiatry & Human Behavior, Women and Children’s Health and Well-Being Project, University of California, Irvine, Orange, CA, USA
- Department of Pediatrics, University of California, Irvine, CA, USA
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Salvador-Moysén J, Martínez-López Y, Ramírez-Aranda JM, Aguilar-Durán M, Terrones-González A. Genesis of preeclampsia: an epidemiological approach. ISRN OBSTETRICS AND GYNECOLOGY 2012; 2012:916914. [PMID: 22462008 PMCID: PMC3302023 DOI: 10.5402/2012/916914] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2011] [Accepted: 11/13/2011] [Indexed: 11/23/2022]
Abstract
THERE ARE ANALYZED SOME OF THE MAIN ASPECTS RELATED TO THE CAUSALITY OF PREECLAMPSIA, PRIVILEGING TWO TYPES OF MODELS: the clinic model and the epidemiologic model, first one represented by the hypothesis of the reduced placental perfusion and the second one considering the epidemiologic findings related to the high levels of psychosocial stress and its association with preeclampsia. It is reasoned out the relevance of raising the causality of the disease from an interdisciplinary perspective, integrating the valuable information generated from both types, clinical and epidemiologic, and finally a tentative explanatory model of preeclampsia is proposed, the subclinical and sociocultural aspects that predispose and trigger the disease are emphasized making aspects to stand out: the importance of reduced placental perfusion as an indicator of individual risk, and the high levels of physiological stress, as a result of the unfavorable conditions of the psychosocial surroundings (indicator of population risk) of the pregnant women.
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Affiliation(s)
- Jaime Salvador-Moysén
- Scientific Research Institute, Universidad Juárez del Estado de Durango, Avenida Universidad y Volantín no Number, 34000 Durango, DGO, Mexico
| | - Yolanda Martínez-López
- Scientific Research Institute, Universidad Juárez del Estado de Durango, Avenida Universidad y Volantín no Number, 34000 Durango, DGO, Mexico
| | - José M. Ramírez-Aranda
- Department of Family Medicine, University Hospital Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, 64460 Monterrey, NL, Mexico
| | - Marisela Aguilar-Durán
- Scientific Research Institute, Universidad Juárez del Estado de Durango, Avenida Universidad y Volantín no Number, 34000 Durango, DGO, Mexico
| | - Alberto Terrones-González
- Scientific Research Institute, Universidad Juárez del Estado de Durango, Avenida Universidad y Volantín no Number, 34000 Durango, DGO, Mexico
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Sandman CA, Davis EP, Buss C, Glynn LM. Exposure to prenatal psychobiological stress exerts programming influences on the mother and her fetus. Neuroendocrinology 2012; 95:7-21. [PMID: 21494029 PMCID: PMC7068789 DOI: 10.1159/000327017] [Citation(s) in RCA: 174] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2010] [Accepted: 01/10/2011] [Indexed: 12/21/2022]
Abstract
BACKGROUND/AIMS Accumulating evidence from a relatively small number of prospective studies indicates that exposure to prenatal stress profoundly influences the developing human fetus with consequences that persist into childhood and very likely forever. METHODS Maternal/fetal dyads are assessed at ∼20, ∼25, ∼31 and ∼36 weeks of gestation. Infant assessments begin 24 h after delivery with the collection of cortisol and behavioral responses to the painful stress of the heel-stick procedure and measures of neonatal neuromuscular maturity. Infant cognitive, neuromotor development, stress and emotional regulation are evaluated at 3, 6 12 and 24 months of age. Maternal psychosocial stress and demographic information is collected in parallel with infant assessments. Child neurodevelopment is assessed with cognitive tests, measures of adjustment and brain imaging between 5 and 8 years of age. RESULTS Psychobiological markers of stress during pregnancy, especially early in gestation, result in delayed fetal maturation, disrupted emotional regulation and impaired cognitive performance during infancy and decreased brain volume in areas associated with learning and memory in 6- to 8-year-old children. We review findings from our projects that maternal endocrine alterations that accompany pregnancy and influence fetal/infant/child development are associated with decreased affective responses to stress, altered memory function and increased risk for postpartum depression. CONCLUSIONS Our findings indicate that the mother and her fetus both are influenced by exposure to psychosocial and biological stress. The findings that fetal and maternal programming occur in parallel may have important implications for long-term child development and mother/child interactions.
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Affiliation(s)
- Curt A Sandman
- Department of Psychiatry and Human Behavior, Women and Children's Health and Well-Being Project, Orange, CA 92868, USA.
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