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Lee A, Jang S, Lee S, Park HK, Kim IY, Ahn R, Seok JH, Lee KR. Comparative analysis of salivary cortisol measurements using different assay methods in relation to serum-free cortisol measurement. Pract Lab Med 2024; 40:e00393. [PMID: 38645932 PMCID: PMC11026831 DOI: 10.1016/j.plabm.2024.e00393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/26/2024] [Accepted: 04/08/2024] [Indexed: 04/23/2024] Open
Abstract
Objectives Salivary cortisol reflects the biologically active form of serum cortisol, offering a noninvasive evaluation method for the diurnal rhythm of the hypothalamic-pituitary-adrenal (HPA) axis. While liquid chromatography-tandem mass spectrometry (LC-MS/MS) is known for its specificity, immunoassays (IA) are commonly used because of their simplicity. This study aimed to assess the performance of salivary cortisol measurement using both IA and LC-MS/MS in comparison to serum-free cortisol measurement. Methods Assay results for 188 saliva and 94 serum samples from 47 participants were analyzed. Salivary samples collected at different time points were analyzed using IA and LC-MS/MS. Serum samples were analyzed for cortisol, cortisol-binding globulin, and free cortisol. The statistical analyses included correlations and method comparisons. Results The diurnal salivary cortisol profiles exhibited a comparable circadian rhythm pattern; however, the concentrations measured using IA were consistently higher than those measured using LC-MS/MS. The correlation analysis revealed robust associations among salivary cortisol (IA), salivary cortisol (LC-MS/MS), and serum-free cortisol levels (LC-MS/MS). However, the method comparison revealed a systematic bias between IA and LC-MS/MS in salivary cortisol measurement. Conclusions This study contributes to the ongoing debate on assay techniques by affirming the suitability of IA and LC-MS/MS for salivary cortisol measurement to assess dynamic changes in HPA axis activity. The identified systematic bias emphasizes the importance of selecting methods based on specific research or clinical requirements.
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Affiliation(s)
- Anna Lee
- Department of Laboratory Medicine, Seoul Clinical Laboratories, Yong-In, Republic of Korea
| | - Sooah Jang
- Research Institute of Minds.AI, Co. Ltd., Seoul, Republic of Korea
- Institute of Behavioral Sciences in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sanghoo Lee
- Center for Companion Biomarker, Seoul Clinical Laboratories Healthcare Inc., Yong-In, Republic of Korea
| | - Hyun-Kyung Park
- Department of Laboratory Medicine, Seoul Clinical Laboratories, Yong-In, Republic of Korea
| | - In-Young Kim
- Research Institute of Minds.AI, Co. Ltd., Seoul, Republic of Korea
| | - Ryunsup Ahn
- Institute of Behavioral Sciences in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
- Hormone Analysis Center, Minds.AI, Co. Ltd., Seoul, Republic of Korea
| | - Jeong-Ho Seok
- Research Institute of Minds.AI, Co. Ltd., Seoul, Republic of Korea
- Institute of Behavioral Sciences in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
- Department of Psychiatry, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Kyoung-Ryul Lee
- Department of Laboratory Medicine, Seoul Clinical Laboratories, Yong-In, Republic of Korea
- Center for Companion Biomarker, Seoul Clinical Laboratories Healthcare Inc., Yong-In, Republic of Korea
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2
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Ceccato F, Fleseriu M. Commentary: Cortisone or Cortisol, "the E" or "the F," That Is the Question! J Clin Endocrinol Metab 2023; 109:e428-e429. [PMID: 37290037 DOI: 10.1210/clinem/dgad348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 06/02/2023] [Indexed: 06/10/2023]
Affiliation(s)
- Filippo Ceccato
- Department of Medicine (DIMED), University of Padova, 35128 Padova, Italy
- Endocrine Disease Unit, University-Hospital of Padova, 35128 Padova, Italy
| | - Maria Fleseriu
- Pituitary Center, Oregon Health & Science University, Portland, OR 97239, USA
- Division of Endocrinology, Diabetes and Clinical Nutrition, Department of Medicine, Oregon Health & Science University, Portland, OR 97239, USA
- Department of Neurological Surgery, Oregon Health & Science University, Portland, OR 97239, USA
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3
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Birtolo MF, Antonini S, Saladino A, Zampetti B, Lavezzi E, Chiodini I, Mazziotti G, Lania AGA, Cozzi R. ACTH Stimulation Test for the Diagnosis of Secondary Adrenal Insufficiency: Light and Shadow. Biomedicines 2023; 11:biomedicines11030904. [PMID: 36979883 PMCID: PMC10045406 DOI: 10.3390/biomedicines11030904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
Secondary Adrenal Insufficiency (SAI) is a condition characterized by inappropriately low ACTH secretion due to a disease or injury to the hypothalamus or the pituitary. The evaluation when suspected is often challenging for the non-specific symptoms, the rarity of the disease, and the pitfalls associated with laboratory tests. A prompt and correct diagnosis of SAI is essential because although an adequate hormonal replacement therapy could be lifesaving, inappropriate life-long therapy with steroids can be harmful. The gold standard test for assessing the hypothalamus-pituitary-adrenal axis (HPA) is the insulin tolerance test (ITT), but due to safety issues is not widely used. Conversely, the ACTH stimulation test is a safer and well-tolerated tool for SAI diagnosis. However, data about its diagnostic accuracy show great variability due to both technical and interpretative aspects, such as dose, route of administration, the timing of the test, and assay used for cortisol measurements. Consequently, the clinical background of the patient and the pretest probability of HPA axis impairment become of paramount importance. We aimed to summarize the recent literature evidence in the conduction and interpretation of the ACTH stimulation test for the diagnosis of SAI to provide updated insights on its correct use in clinical practice.
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Affiliation(s)
- Maria Francesca Birtolo
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
- Endocrinology, Diabetology and Andrology Unit, IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy
| | - Simone Antonini
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
- Endocrinology, Diabetology and Andrology Unit, IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy
| | - Andrea Saladino
- Fondazione IRCCS Istituto Neurologico Carlo Besta, Unit of Neurosurgery, 20133 Milan, Italy
| | - Benedetta Zampetti
- Endocrinology Department, ASST Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
| | - Elisabetta Lavezzi
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
- Endocrinology, Diabetology and Andrology Unit, IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy
| | - Iacopo Chiodini
- Endocrinology Department, ASST Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20122 Milan, Italy
| | - Gherardo Mazziotti
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
- Endocrinology, Diabetology and Andrology Unit, IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy
| | - Andrea G. A. Lania
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
- Endocrinology, Diabetology and Andrology Unit, IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy
- Correspondence:
| | - Renato Cozzi
- Endocrinology Department, ASST Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy
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4
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Gent R, Barbier ID, Atkin SL, Newell-Fugate AE, Swart AC. Ultra-performance convergence chromatography tandem mass spectrometry analysis of adrenal and gonadal steroid hormones in southern white rhinoceros(Ceratotherium simum simum) faeces and serum. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1215:123576. [PMID: 36529070 DOI: 10.1016/j.jchromb.2022.123576] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/04/2022] [Accepted: 12/10/2022] [Indexed: 12/14/2022]
Abstract
Steroid hormone analysis is routinely undertaken in the assessment of stress response and reproductive function in the management of both captive and free-ranging wildlife species. Faecal samples have become the preferred sample type for analysis as collection is non-invasive and easily assessable. These investigations are generally aimed at aiding successful translocations, enhanced survival outcomes in captivity and improvement of reproductive rate. Immunoassays are the most common approach in the analysis of hormones, particularly in the case of the southern white rhinoceros (Ceratotherium simum simum). Non-specificity, attributed to structural similarity of steroid metabolites impedes accurate evaluations which can be eliminated by chromatographic techniques which are more specific, selective and provide comprehensive analyses. This study developed and validated three methods using ultra-performance convergence chromatography tandem mass spectrometry for the assessment of classical androgens, progestogens and adrenal steroids, as well as the C11-oxy androgens and C11-oxy progestogens in serum and faeces from white rhinoceros. The limit of detection and quantification were determined for each steroid, parameters such as accuracy (<19.8 % RSD) and precision (<20.2 % RSD) were established with recovery, matrix effect, and process efficiency within acceptable limits. Subsequent analysis of serum and faecal samples from five white rhinoceros identified novel steroids for the first time in this species. In addition to the classical adrenal steroids, the following C11-oxy steroids were detected in faecal samples: 11α-hydroxydihydroprogesterone (168 ng/g), 11α-hydroxyprogesterone (125.9 ng/g), 11β-hydroxyprogesterone (210.2 ng/g) and 11-ketoandrostenedione (3.3-19.6 ng/g) with 11-deoxycortisol being the major glucocorticoid (24.2-67.3 ng/g) together with 21-deoxycortisone (40.7 ng/g) and deoxycorticosterone (7.6-14.6 ng/g). In serum samples 11β-hydroxyandrostenedione (0.35-2.34 ng/mL) and 11β-hydroxytestosterone (0.18-1.62 ng/mL) were the predominant androgens with cortisol (5.8-20.5 ng/mL), the predominant glucocorticoid, while corticosterone, 18-hydroxycorticosterone and aldosterone were also detected. These methods can be applied independently to assess either androgens, progestogens, or adrenal steroid panels or in combination to assess the cohort of gonadal and adrenal steroids in faeces and/or serum, in southern white rhinoceros as well as other wildlife species. Analysis would enable the accurate assessment of reproductive health and stress responses while also distinguishing between stress and distress thus contributing to the conservation of wildlife species.
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Affiliation(s)
- Rachelle Gent
- Department of Biochemistry, Stellenbosch University, Stellenbosch 7600, South Africa
| | - Inge D Barbier
- Department of Biochemistry, Stellenbosch University, Stellenbosch 7600, South Africa
| | - Stephen L Atkin
- Royal College of Surgeons in Ireland Bahrain, Adliya, Bahrain
| | - Annie E Newell-Fugate
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, TX 77843, United States
| | - Amanda C Swart
- Department of Biochemistry, Stellenbosch University, Stellenbosch 7600, South Africa; Department of Chemistry and Polymer Science, Stellenbosch University, Stellenbosch 7600, South Africa.
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5
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The effect of acute exercise on the cortisol awakening response. Eur J Appl Physiol 2023; 123:1027-1039. [PMID: 36629945 DOI: 10.1007/s00421-023-05132-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 01/01/2023] [Indexed: 01/12/2023]
Abstract
The effects of acute exercise on the cortisol awakening response (CAR), characterized by the rapid increase in cortisol concentrations within the 30-45 min following sleep offset has yet to be fully elucidated. Thus, our study investigated the effects of late-evening acute exercise on the CAR the following morning. We hypothesized that exercise would have a significant effect on the CAR the following morning. Twelve participants (mean (SD): age = 23 (4) years; mass = 76.8 (8.7) kg; height = 175.6 (5.0) cm; [Formula: see text]O2max = 48.9 (7.5) ml.kg-1.min-1) reported to the laboratory in the evening (1800 h) on two occasions and were randomly assigned to either exercise for one hour (70-75% of maximal power output) or rest condition. Blood and saliva samples were assayed for cortisol. Mixed-effects models determined the effect of exercise on the cortisol response post-waking in both blood and saliva. Participants demonstrated an average exercise-induced increase in circulating cortisol of 477.3%, with actual mean (SD) heart rate relative to maximum of 87.04% (6.14%). Model results demonstrated a negative effect for exercise condition when modeling the serum and salivary cortisol responses to awakening via a quadratic growth model (serum, βCondition = - 42.26 [95% CI - 64.52 to - 20.01], p < 0.001; saliva, βCondition = - 11.55 [95% CI - 15.52 to - 7.57], p < 0.001). These results suggest that cortisol concentrations in saliva and blood are significantly lower the morning following a prior evening exercise session. Therefore, the CAR may serve as a useful biomarker to monitor responses to exercise training, although the underlying mechanism for these decreases in the CAR should be investigated further.
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6
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Kaufman JM. Diagnosis of hypogonadism in ageing men. Rev Endocr Metab Disord 2022; 23:1139-1150. [PMID: 36355322 DOI: 10.1007/s11154-022-09763-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/10/2022] [Indexed: 11/11/2022]
Abstract
To make the diagnosis of hypogonadism in an ageing man, in absence of rare organic cause often referred to as functional or late onset hypogonadism (LOH), he should present with a clinical syndrome suggestive of androgen deficiency and have consistently low serum testosterone (T) levels. This does not differ from the diagnosis of any other form of hypogonadism. Particular to LOH diagnostic are uncertainties surrounding this entity: signs and symptoms of androgen deficiency (including sexual symptoms) are nonspecific in older men; clinical significance of only moderately low T levels is uncertain; comorbidity plays a substantial role with potential for reversibility; the place of T therapy in these men is debatable. This context demands for a pragmatic, but appropriately conservative approach to diagnosis. Evaluation should be stepwise with clinical evaluation, if suggestive for androgen deficiency, followed by measurement of a fasting morning serum T, if unequivocally low to be confirmed in a separate morning sample by a second low T or, if initial T borderline low or in presence of factors known to affect SHBG, by a low calculated free T level. All other (free) T results make hypogonadism an unlikely cause of the patient's symptoms. In the absence of consensus cut-off levels for total and free T in the published clinical guidelines for diagnosis of hypogonadism, it seems appropriate in the context of LOH to use stringent criteria indicating a convincingly low serum T. The approach to the diagnosis of LOH is not fundamentally different from that of other forms of hypogonadism but should put extra weight on prioritizing the shunning of overdiagnosis above the risk of underdiagnosis.
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Affiliation(s)
- Jean-Marc Kaufman
- Department of Endocrinology, Ghent University Hospital, Ghent, Belgium.
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7
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Loh TP, Cooke BR, Markus C, Zakaria R, Tran MTC, Ho CS, Greaves RF. Method evaluation in the clinical laboratory. Clin Chem Lab Med 2022; 61:751-758. [PMID: 36327459 DOI: 10.1515/cclm-2022-0878] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/22/2022] [Indexed: 11/06/2022]
Abstract
Method evaluation is one of the critical components of the quality system that ensures the ongoing quality of a clinical laboratory. As part of implementing new methods or reviewing best practices, the peer-reviewed published literature is often searched for guidance. From the outset, Clinical Chemistry and Laboratory Medicine (CCLM) has a rich history of publishing methods relevant to clinical laboratory medicine. An insight into submissions, from editors' and reviewers' experiences, shows that authors still struggle with method evaluation, particularly the appropriate requirements for validation in clinical laboratory medicine. Here, we consider through a series of discussion points an overview of the status, challenges, and needs of method evaluation from the perspective of clinical laboratory medicine. We identify six key high-level aspects of clinical laboratory method evaluation that potentially lead to inconsistency. 1. Standardisation of terminology, 2. Selection of analytical performance specifications, 3. Experimental design of method evaluation, 4. Sample requirements of method evaluation, 5. Statistical assessment and interpretation of method evaluation data, and 6. Reporting of method evaluation data. Each of these areas requires considerable work to harmonise the practice of method evaluation in laboratory medicine, including more empirical studies to be incorporated into guidance documents that are relevant to clinical laboratories and are freely and widely available. To further close the loop, educational activities and fostering professional collaborations are essential to promote and improve the practice of method evaluation procedures.
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Affiliation(s)
- Tze Ping Loh
- Department of Laboratory Medicine, National University Hospital, Singapore, Singapore
| | - Brian R Cooke
- Department of Clinical Biochemistry, PathWest Laboratory Medicine, Fiona Stanley Hospital, Murdoch, WA, Australia
| | - Corey Markus
- Flinders University International Centre for Point-of-Care Testing, Flinders Health and Medical Research Institute, Adelaide, SA, Australia
| | - Rosita Zakaria
- School of Health and Biomedical Sciences, RMIT University, Melbourne, VIC, Australia.,Murdoch Children's Research Institute, Melbourne, VIC, Australia
| | - Mai Thi Chi Tran
- Faculty of Medical Technology, Hanoi Medical University, Hanoi, Vietnam.,Department of Clinical Biochemistry, National Children's Hospital, Hanoi, Vietnam
| | - Chung Shun Ho
- Biomedical Mass Spectrometry Unit, Department of Chemical Pathology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, NT, Hong Kong
| | - Ronda F Greaves
- Victorian Clinical Genetics Services, Murdoch Children's Research Institute, Melbourne, VIC, Australia.,Department of Paediatrics, The University of Melbourne, Melbourne, VIC, Australia
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8
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Mohamed RS, Abuelgasim B, Barker S, Prabhudev H, Martin NM, Meeran K, Williams EL, Darch S, Matthew W, Tan T, Wernig F. Late-night salivary cortisol and cortisone should be the initial screening test for Cushing's syndrome. Endocr Connect 2022; 11:EC-22-0050. [PMID: 35671282 PMCID: PMC9254321 DOI: 10.1530/ec-22-0050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 06/07/2022] [Indexed: 11/08/2022]
Abstract
Endogenous Cushing's syndrome (CS) poses considerable diagnostic challenges. Although late-night salivary cortisol (LNSC) is recommended as a first-line screening investigation, it remains the least widely used test in many countries. The combined measurement of LNSC and late-night salivary cortisone (LNS cortisone) has shown to further improve diagnostic accuracy. We present a retrospective study in a tertiary referral centre comparing LNSC, LNS cortisone, overnight dexamethasone suppression test, low-dose dexamethasone suppression test and 24-h urinary free cortisol results of patients investigated for CS. Patients were categorised into those who had CS (21 patients) and those who did not (33 patients). LNSC had a sensitivity of 95% and a specificity of 91%. LNS cortisone had a specificity of 100% and a sensitivity of 86%. With an optimal cut-off for LNS cortisone of >14.5 nmol/L the sensitivity was 95.2%, and the specificity was 100% with an area under the curve of 0.997, for diagnosing CS. Saliva collection is non-invasive and can be carried out at home. We therefore advocate simultaneous measurement of LNSC and LNS cortisone as the first-line screening test to evaluate patients with suspected CS.
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Affiliation(s)
| | - Biyaser Abuelgasim
- Imperial College School of Medicine, Department of Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Sally Barker
- Imperial College School of Medicine, Department of Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Hemanth Prabhudev
- Department of Endocrinology, Imperial College Healthcare NHS Trust, London, UK
| | - Niamh M Martin
- Department of Endocrinology, Imperial College Healthcare NHS Trust, London, UK
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Karim Meeran
- Department of Endocrinology, Imperial College Healthcare NHS Trust, London, UK
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Emma L Williams
- Department of Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Sarah Darch
- Department of Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Whitlock Matthew
- Department of Biochemistry, Imperial College Healthcare NHS Trust, London, UK
| | - Tricia Tan
- Department of Endocrinology, Imperial College Healthcare NHS Trust, London, UK
- Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK
| | - Florian Wernig
- Department of Endocrinology, Imperial College Healthcare NHS Trust, London, UK
- Correspondence should be addressed to F Wernig:
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9
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Javorsky BR, Raff H, Carroll TB, Algeciras-Schimnich A, Singh RJ, Colón-Franco JM, Findling JW. New Cutoffs for the Biochemical Diagnosis of Adrenal Insufficiency after ACTH Stimulation using Specific Cortisol Assays. J Endocr Soc 2021; 5:bvab022. [PMID: 33768189 PMCID: PMC7975762 DOI: 10.1210/jendso/bvab022] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Indexed: 02/07/2023] Open
Abstract
Context The normal cortisol response 30 or 60 minutes after cosyntropin (ACTH[1-24]) is considered to be ≥18 μg/dL (500 nmol/L). This threshold is based on older serum cortisol assays. Specific monoclonal antibody immunoassays or LC-MS/MS may have lower thresholds for a normal response. Objective To calculate serum cortisol cutoff values for adrenocorticotropic hormone (ACTH) stimulation testing with newer specific cortisol assays. Methods Retrospective analysis of ACTH stimulation tests performed in ambulatory and hospitalized patients suspected of adrenal insufficiency (AI). Serum samples were assayed for cortisol in parallel using Elecsys I and Elecsys II immunoassays, and when volume was available, by Access immunoassay and LC-MS/MS. Results A total of 110 patients were evaluated. Using 18 μg/dL as the cortisol cutoff after ACTH stimulation, 14.5%, 29%, 22.4%, and 32% of patients had a biochemical diagnosis of AI using the Elecsys I, Elecsys II, Access, and LC-MS/MS assays, respectively. Deming regressions of serum cortisol were used to calculate new cortisol cutoffs based on the Elecsys I cutoff of 18 μg/dL. For 30-minute values, new cutoffs were 14.6 μg/dL for Elecsys II, 14.8 μg/dL for Access, and 14.5 μg/dL for LC-MS/MS. Baseline cortisol <2 μg/dL was predictive of subnormal stimulated cortisol values. Conclusion To reduce false positive ACTH stimulation testing, we recommend a new serum cortisol cutoff of 14 to 15 μg/dL depending on the assay used (instead of the historical value of 18 μg/dL with older polyclonal antibody assays). Clinicians should be aware of the new cutoffs for the assays available to them when evaluating patients for AI.
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Affiliation(s)
- Bradley R Javorsky
- Endocrinology Center and Clinics, Froedtert & the Medical College of Wisconsin, Milwaukee, WI 53051, USA
| | - Hershel Raff
- Division of Endocrinology and Molecular Medicine, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI 53226, USA.,Endocrine Research Laboratory, Aurora St. Luke's Medical Center, Advocate Aurora Research Institute, Milwaukee, WI 53215, USA
| | - Ty B Carroll
- Endocrinology Center and Clinics, Froedtert & the Medical College of Wisconsin, Milwaukee, WI 53051, USA
| | | | - Ravinder Jit Singh
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN 55905, USA
| | | | - James W Findling
- Endocrinology Center and Clinics, Froedtert & the Medical College of Wisconsin, Milwaukee, WI 53051, USA
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10
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Conklin SE, Knezevic CE. Advancements in the gold standard: Measuring steroid sex hormones by mass spectrometry. Clin Biochem 2020; 82:21-32. [PMID: 32209333 DOI: 10.1016/j.clinbiochem.2020.03.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 03/16/2020] [Accepted: 03/16/2020] [Indexed: 12/12/2022]
Abstract
Sex hormones, such as testosterone and estrogens, play an essential role in regulating physiological and reproductive development throughout the lifetime of the individual. Although variation in levels of these hormones are observed throughout the distinct stages in life, significant deviations from reference ranges can result in detrimental effects to the individual. Alterations, by either an increase or decrease, in hormone levels are associated with physiological changes, decreased reproductive capabilities, and increased risk for diseases. Hormone therapies (HTs) and assisted reproductive technologies (ARTs) are commonly used to address these factors. In addition to these treatments, gender-affirming therapies, an iteration of HTs, are also a prominent treatment for transgender individuals. Considering that the effectiveness of these treatments relies on achieving therapeutic hormone levels, monitoring of hormones has served as a way of assessing therapeutic efficay. The need for reliable methods to achieve this task has led to great advancements in methods for evaluating hormone concentrations in biological matrices. Although immunoassays are the more widely used method, mass spectrometry (MS)-based methods have proven to be more sensitive, specific, and reliable. Advances in MS technology and its applications for therapeutic hormone monitoring have been significant, hence integration of these methods in the clinical setting is desired. Here, we provide a general overview of HT and ART, and the immunoassay and MS-based methods currently utilized for monitoring sex hormones. Additionally, we highlight recent advances in MS-based methods and discuss future applications and considerations for MS-based hormone assays.
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Affiliation(s)
- Steven E Conklin
- Department of Pathology, The Johns Hopkins University School of Medicine, 1800 Orleans St. Zayed B1020, Baltimore, MD 21287, USA.
| | - Claire E Knezevic
- Department of Pathology, The Johns Hopkins University School of Medicine, 1800 Orleans St. Zayed B1020, Baltimore, MD 21287, USA.
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11
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Kaufman JM, Lapauw B, Mahmoud A, T'Sjoen G, Huhtaniemi IT. Aging and the Male Reproductive System. Endocr Rev 2019; 40:906-972. [PMID: 30888401 DOI: 10.1210/er.2018-00178] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 12/27/2018] [Indexed: 12/21/2022]
Abstract
This narrative review presents an overview of current knowledge on fertility and reproductive hormone changes in aging men, the factors driving and modulating these changes, their clinical consequences, and the benefits and risks of testosterone (T) therapy. Aging is accompanied by moderate decline of gamete quality and fertility. Population mean levels show a mild total T decline, an SHBG increase, a steeper free T decline, and a moderate LH increase with important contribution of comorbidities (e.g., obesity) to these changes. Sexual symptoms and lower hematocrit are associated with low T and are partly responsive to T therapy. The relationship of serum T with body composition and metabolic health is bidirectional; limited beneficial effects of T therapy on body composition have only marginal effects on metabolic health and physical function. Skeletal changes are associated primarily with estradiol and SHBG. Cognitive decline is not consistently linked to low T and is not improved by T therapy. Although limited evidence links moderate androgen decline with depressive symptoms, T therapy has small beneficial effects on mood, depressive symptoms, and vitality in elderly patients with low T. Suboptimal T (and/or DHT) has been associated with increased risk of stroke, but not of ischemic heart disease, whereas an association with mortality probably reflects that low T is a marker of poor health. Globally, neither severity of clinical consequences attributable to low T nor the nature and magnitude of beneficial treatment effects justify the concept of some broadly applied "T replacement therapy" in older men with low T. Moreover, long-term safety of T therapy is not established.
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Affiliation(s)
- Jean-Marc Kaufman
- Department of Endocrinology, Ghent University Hospital, Ghent, Belgium
| | - Bruno Lapauw
- Department of Endocrinology, Ghent University Hospital, Ghent, Belgium
| | - Ahmed Mahmoud
- Department of Endocrinology, Ghent University Hospital, Ghent, Belgium
| | - Guy T'Sjoen
- Department of Endocrinology, Ghent University Hospital, Ghent, Belgium
| | - Ilpo Tapani Huhtaniemi
- Department of Surgery and Cancer, Institute of Reproductive and Developmental Biology, Imperial College London, London, United Kingdom.,Department of Physiology, Institute of Biomedicine, University of Turku, Turku, Finland
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Keevil B. Steroid Mass Spectrometry for the Diagnosis of PCOS. Med Sci (Basel) 2019; 7:medsci7070078. [PMID: 31295971 PMCID: PMC6681326 DOI: 10.3390/medsci7070078] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/1970] [Revised: 07/08/2019] [Accepted: 07/09/2019] [Indexed: 02/07/2023] Open
Abstract
The most appropriate steroids to measure for the diagnosis of hyperandrogenism in polycystic ovary syndrome (PCOS) are still open to debate but should preferably be measured using a high-quality method such as liquid chromatography tandem mass spectrometry (LC-MS/MS). Measurement of testosterone is recommended in all of the current clinical guidelines but other steroids, such as androstenedione and dehydroepiandrosterone sulfate (DHEAS), have also been shown to be useful in diagnosing PCOS and may give additional information on metabolic risk. The 11-oxygenated steroids, and in particular 11KT derived mainly from the adrenal gland, are also increasing in prominence and have been shown to be the dominant androgens in this condition. Polycystic ovary syndrome is a complex syndrome and it is not surprising that each of the clinical phenotypes are associated with different patterns of steroid hormones; it is likely that steroid profiling with LC-MS/MS may be better at identifying hyperandrogensim in each of these phenotypes. Research into PCOS has been hampered by the small sample size of clinical studies previously undertaken and larger studies, preferably using LC-MS/MS profiling of steroids, are needed
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Affiliation(s)
- Brian Keevil
- Biochemistry Dept, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Southmoor Rd, Manchester M23 9LT, UK.
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13
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Mohr MA, Wong AM, Tomm RJ, Soma KK, Micevych PE. Pubertal development of estradiol-induced hypothalamic progesterone synthesis. Horm Behav 2019; 111:110-113. [PMID: 30552874 PMCID: PMC6527482 DOI: 10.1016/j.yhbeh.2018.12.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 11/20/2018] [Accepted: 12/11/2018] [Indexed: 12/28/2022]
Abstract
In females, a hallmark of puberty is the luteinizing hormone (LH) surge that triggers ovulation. Puberty initiates estrogen positive feedback onto hypothalamic circuits, which underlie the stimulation of gonadotropin releasing hormone (GnRH) neurons. In reproductively mature female rodents, both estradiol (E2) and progesterone (P4) signaling are necessary to stimulate the surge release of GnRH and LH. Estradiol membrane-initiated signaling facilitates progesterone (neuroP) synthesis in hypothalamic astrocytes, which act on E2-induced progesterone receptors (PGR) to stimulate kisspeptin release, thereby activating GnRH release. How the brain changes during puberty to allow estrogen positive feedback remains unknown. In the current study, we hypothesized that a critical step in estrogen positive feedback was the ability for estradiol-induced neuroP synthesis. To test this idea, hypothalamic neuroP levels were measured in groups of prepubertal, pubertal and young adult female Long Evans rats. Steroids were measured with liquid chromatography tandem mass spectrometry (LC-MS/MS). Hypothalamic neuroP increases from pre-puberty to young adulthood in both gonad-intact females and ovariectomized rats treated with E2. The pubertal development of hypothalamic E2-facilitated progesterone synthesis appears to be one of the neural switches facilitating reproductive maturation.
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Affiliation(s)
- M A Mohr
- UCLA DGSOM Dept of Neurobiology, 650 Charles E Young Dr. S, Los Angeles, CA 90095, Laboratory of Neuroendocrinology of the Brain Research Institute, United States of America.
| | - A M Wong
- UCLA DGSOM Dept of Neurobiology, 650 Charles E Young Dr. S, Los Angeles, CA 90095, Laboratory of Neuroendocrinology of the Brain Research Institute, United States of America
| | - R J Tomm
- UBC Dept of Psychology and Centre for Brain Health, Vancouver, BC V6T 1Z4, Canada
| | - K K Soma
- UBC Dept of Psychology and Centre for Brain Health, Vancouver, BC V6T 1Z4, Canada
| | - P E Micevych
- UCLA DGSOM Dept of Neurobiology, 650 Charles E Young Dr. S, Los Angeles, CA 90095, Laboratory of Neuroendocrinology of the Brain Research Institute, United States of America
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14
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Carvajal CA, Tapia-Castillo A, Valdivia CP, Allende F, Solari S, Lagos CF, Campino C, Martínez-Aguayo A, Vecchiola A, Pinochet C, Godoy C, Iturrieta V, Baudrand R, Fardella CE. Serum Cortisol and Cortisone as Potential Biomarkers of Partial 11β-Hydroxysteroid Dehydrogenase Type 2 Deficiency. Am J Hypertens 2018; 31:910-918. [PMID: 29617893 DOI: 10.1093/ajh/hpy051] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 03/29/2018] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Pathogenic variations in HSD11B2 gene triggers the apparent mineralocorticoid excess syndrome (AME). There is scarce information regarding the phenotypes of subjects carrying heterozygous pathogenic variants in HSD11B2 gene. We investigated if serum cortisol/cortisone (F/E) ratio and cortisone are useful for identifying partial 11βHSD2 deficiency in those heterozygous subjects. METHODS We studied two patients diagnosed with AME and their families carrying either D223N or R213C mutation. We also evaluated 32 healthy control subjects (13 children and 19 adults) to obtain normal references ranges for all measured variables. Case 1: A boy carrying D223N mutation in HSD11B2 gene and Case 2: A girl carrying R213C mutation. We assessed serum F/E ratio and cortisone by HPLC-MS/MS, aldosterone, plasma-renin-activity(PRA), electrolytes, and HSD11B2 genetic analyses. RESULTS The normal values (median [interquartile range]) in children for serum F/E and cortisone (µg/dl) were 2.56 [2.21-3.69] and 2.54 [2.35-2.88], and in adults were 4.42 [3.70-4.90] and 2.23 [1.92-2.57], respectively. Case 1 showed a very high serum F/E 28.8 and low cortisone 0.46 µg/dl. His mother and sister were normotensives and heterozygous for D223N mutation with high F/E (13.2 and 6.0, respectively) and low cortisone (2.0 and 2.2, respectively). Case 2 showed a very high serum F/E 175 and suppressed cortisone 0.11 µg/dl. Her parents and sister were heterozygous for the R213C mutation with normal phenotype, but high F/E and low cortisone. Heterozygous subjects showed normal aldosterone, PRA, but lower fractional excretion of sodium and urinary Na/K ratio than controls. CONCLUSION Serum F/E ratio and cortisone allow to identify partial 11βHSD2 deficiencies, as occurs in heterozygous subjects, who would be susceptible to develop arterial hypertension.
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Affiliation(s)
- Cristian A Carvajal
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy (IMII), Santiago, Chile
| | - Alejandra Tapia-Castillo
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy (IMII), Santiago, Chile
- Faculty of Medicine, Universidad del Desarrollo, Santiago, Chile
| | - Carolina P Valdivia
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Fidel Allende
- Department of Clinical Laboratories, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Sandra Solari
- Department of Clinical Laboratories, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Carlos F Lagos
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy (IMII), Santiago, Chile
- Facultad de Ciencia, Universidad San Sebastián, Santiago, Chile
| | - Carmen Campino
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy (IMII), Santiago, Chile
| | - Alejandro Martínez-Aguayo
- Endocrinology Pediatrics Division, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Andrea Vecchiola
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy (IMII), Santiago, Chile
| | - Constanza Pinochet
- Endocrinology Pediatrics Division, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Claudia Godoy
- Endocrinology Pediatrics Division, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Virginia Iturrieta
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Rene Baudrand
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Carlos E Fardella
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
- Millennium Institute on Immunology and Immunotherapy (IMII), Santiago, Chile
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15
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Kline G, Holmes DT. Adrenal venous sampling for primary aldosteronism: laboratory medicine best practice. J Clin Pathol 2017; 70:911-916. [PMID: 28893861 DOI: 10.1136/jclinpath-2017-204423] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Revised: 07/06/2017] [Accepted: 07/23/2017] [Indexed: 01/13/2023]
Abstract
Primary aldosteronism (PA) is the most common form of secondary hypertension and is critical to identify because when caused by an aldosterone-producing adenoma (APA) or another unilateral form, it is potentially curable, and even when caused by bilateral disease, antihypertensives more specific to PA treatment can be employed (ie, aldosterone antagonists). Identification of unilateral forms is not generally accomplished with imaging because APAs may be small and elude detection, and coincidental identification of a non-functioning incidentaloma contralateral to an APA may lead to removal of an incorrect gland. For this reason, the method of choice for identifying unilateral forms of PA is selective adrenal venous sampling (AVS) followed by aldosterone and cortisol analysis on collected samples. This procedure is technically difficult from a radiological standpoint and, from the laboratory perspective, is fraught with opportunities for preanalytical, analytical and postanalytical error. We review the process of AVS collection, analysis and reporting. Suggestions are made for patient preparation, specimen labelling practices and nomenclature, analytical dilution protocols, which numerical results to report, and the necessary subsequent calculations. We also identify and explain frequent sources of confusion in the aldosterone and cortisol results and provide an example of tabular reporting to facilitate interpretation and communication between laboratorian, radiologist and clinician.
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Affiliation(s)
- Gregory Kline
- Division of Endocrinology, Department of Medicine, University of Calgary, Calgary, Canada
| | - Daniel T Holmes
- Department of Pathology and Laboratory Medicine, St. Paul's Hospital, Vancouver, Canada.,Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, Canada
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16
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Roli L, Santi D, Belli S, Tagliavini S, Cavalieri S, De Santis MC, Baraldi E, Fanelli F, Mezzullo M, Granata AR, Pagotto U, Pasquali R, Rochira V, Carani C, Simoni M, Trenti T. The steroid response to human chorionic gonadotropin (hCG) stimulation in men with Klinefelter syndrome does not change using immunoassay or mass spectrometry. J Endocrinol Invest 2017; 40:841-850. [PMID: 28326509 DOI: 10.1007/s40618-017-0653-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 03/06/2017] [Indexed: 02/07/2023]
Abstract
PURPOSE Liquid-chromatography tandem mass-spectrometry (LC-MS/MS) was developed in parallel to Immunoassays (IAs) and today is proposed as the "gold standard" for steroid assays. Leydig cells of men with Klinefelter syndrome (KS) are able to respond to human chorionic gonadotropin (hCG) stimulation, even if testosterone (T) production was impaired. The aim was to evaluate how results obtained by IAs and LC-MS/MS can differently impact on the outcome of a clinical research on gonadal steroidogenesis after hCG stimulation. METHODS A longitudinal, prospective, case-control clinical trial. (clinicaltrial.gov NCT02788136) was carried out, enrolling KS men and healthy age-matched controls, stimulated by hCG administration. Serum steroids were evaluated at baseline and for 5 days after intramuscular injection of 5000 IU hCG using both IAs and LC-MS/MS. RESULTS 13 KS patients (36 ± 9 years) not receiving T replacement therapy and 14 controls (32 ± 8 years) were enrolled. T, progesterone, cortisol, 17-hydroxy-progesterone (17OHP) and androstenedione, were significantly higher using IAs than LC-MS/MS. IAs and LC-MS/MS showed direct correlation for all five steroids, although the constant overestimation detected by IAs. Either methodology found the same 17OHP and T increasing profile after hCG stimulation, with equal areas under the curves (AUCs). CONCLUSIONS Although a linearity between IA and LC-MS/MS is demonstrated, LC-MS/MS is more sensitive and accurate, whereas IA shows a constant overestimation of sex steroid levels. This result suggests the need of reference intervals built on the specific assay. This fundamental difference between these two methodologies opens a deep reconsideration of what is needed to improve the accuracy of steroid hormone assays.
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Affiliation(s)
- L Roli
- Department of Laboratory Medicine and Pathology Anatomy, Azienda USL of Modena, Modena, Italy
| | - D Santi
- Unit of Endocrinology, NOCSAE, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Giardini 1355, 41126, Modena, Italy.
- Department of Medicine, Endocrinology, Metabolism and Geriatrics, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy.
| | - S Belli
- Unit of Endocrinology, NOCSAE, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Giardini 1355, 41126, Modena, Italy
| | - S Tagliavini
- Department of Laboratory Medicine and Pathology Anatomy, Azienda USL of Modena, Modena, Italy
| | - S Cavalieri
- Laboratory of Clinical and Endocrinological Analysis, Arcispedale S. Maria Nuova, Reggio Emilia, Italy
| | - M C De Santis
- Department of Laboratory Medicine and Pathology Anatomy, Azienda USL of Modena, Modena, Italy
| | - E Baraldi
- Department of Laboratory Medicine and Pathology Anatomy, Azienda USL of Modena, Modena, Italy
| | - F Fanelli
- Endocrinology Unit and Centre for Applied Biomedical Research, Department of Medical and Surgical Sciences, Alma Mater University of Bologna, S. Orsola-Malpighi Hospital, 40138, Bologna, Italy
| | - M Mezzullo
- Endocrinology Unit and Centre for Applied Biomedical Research, Department of Medical and Surgical Sciences, Alma Mater University of Bologna, S. Orsola-Malpighi Hospital, 40138, Bologna, Italy
| | - A R Granata
- Department of Medicine, Endocrinology, Metabolism and Geriatrics, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
| | - U Pagotto
- Endocrinology Unit and Centre for Applied Biomedical Research, Department of Medical and Surgical Sciences, Alma Mater University of Bologna, S. Orsola-Malpighi Hospital, 40138, Bologna, Italy
| | - R Pasquali
- Endocrinology Unit and Centre for Applied Biomedical Research, Department of Medical and Surgical Sciences, Alma Mater University of Bologna, S. Orsola-Malpighi Hospital, 40138, Bologna, Italy
| | - V Rochira
- Unit of Endocrinology, NOCSAE, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Giardini 1355, 41126, Modena, Italy
- Department of Medicine, Endocrinology, Metabolism and Geriatrics, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
| | - C Carani
- Unit of Endocrinology, NOCSAE, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Giardini 1355, 41126, Modena, Italy
| | - M Simoni
- Unit of Endocrinology, NOCSAE, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Giardini 1355, 41126, Modena, Italy
- Department of Medicine, Endocrinology, Metabolism and Geriatrics, Azienda Ospedaliero-Universitaria of Modena, Modena, Italy
- Center for Genomic Research, University of Modena and Reggio Emilia, Modena, Italy
| | - T Trenti
- Department of Laboratory Medicine and Pathology Anatomy, Azienda USL of Modena, Modena, Italy
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17
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Dorin RI, Qiao ZG, Bouchonville M, Qualls CR, Schrader RM, Urban FK. Characterization of Cortisol Secretion Rate in Secondary Adrenal Insufficiency. J Endocr Soc 2017; 1:945-956. [PMID: 29264545 PMCID: PMC5686692 DOI: 10.1210/js.2017-00198] [Citation(s) in RCA: 3] [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: 03/31/2017] [Accepted: 05/26/2017] [Indexed: 01/28/2023] Open
Abstract
Context: In secondary adrenal insufficiency (SAI), chronic deficiency of adrenocorticotropin (ACTH) is believed to result in secondary changes in adrenocortical function, causing an altered dose-response relationship between ACTH concentration and cortisol secretion rate (CSR). Objective: We sought to characterize maximal cortisol secretion rate (CSRmax) and free cortisol half-life in patients with SAI, compare results with those of age-matched healthy controls, and examine the influence of predictor variables on ACTH-stimulated cortisol concentrations. Design: CSRmax was estimated from ACTH1-24 (250 μg)–stimulated cortisol time-concentration data. Estimates for CSRmax and free cortisol half-life were obtained for both dexamethasone (DEX) and placebo pretreatment conditions for all subjects. Setting: Single academic medical center. Patients: Patients with SAI (n = 10) compared with age-matched healthy controls (n = 21). Interventions: The order of DEX vs placebo pretreatment was randomized and double-blind. Cortisol concentrations were obtained at baseline and at intervals for 120 minutes after ACTH1-24. Main Outcome Measures: CSRmax and free cortisol half-life were obtained by numerical modeling analysis. Predictors of stimulated cortisol concentrations were evaluated using a multivariate model. Results: CSRmax was significantly (P < 0.001) reduced in patients with SAI compared with controls for both placebo (0.17 ± 0.09 vs 0.46 ± 0.14 nM/s) and DEX (0.18 ± 0.13 vs 0.43 ± 0.13 nM/s) conditions. Significant predictors of ACTH1-24–stimulated total cortisol concentrations included CSRmax, free cortisol half-life, and baseline total cortisol, corticosteroid-binding globulin, and albumin concentrations (all P < 0.05). Conclusions: Our finding of significantly decreased CSRmax confirms that SAI is associated with alterations in the CSR-ACTH dose-response curve. Decreased CSRmax contributes importantly to the laboratory diagnosis of SAI.
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Affiliation(s)
- Richard I Dorin
- Medical Service, New Mexico VA Healthcare System, University of New Mexico School of Medicine, Albuquerque, New Mexico 87108.,Departments of Medicine and Biochemistry, University of New Mexico School of Medicine, Albuquerque, New Mexico 87106
| | - Zhi George Qiao
- Departments of Medicine and Biochemistry, University of New Mexico School of Medicine, Albuquerque, New Mexico 87106
| | - Matthew Bouchonville
- Departments of Medicine and Biochemistry, University of New Mexico School of Medicine, Albuquerque, New Mexico 87106
| | - Clifford R Qualls
- Clinical and Translational Science Center, University of New Mexico, Albuquerque, New Mexico 87106
| | | | - Frank K Urban
- Department of Electrical and Computer Engineering, Florida International University, Miami, Florida 33174
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18
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Valassi E, Franz H, Brue T, Feelders RA, Netea-Maier R, Tsagarakis S, Webb SM, Yaneva M, Reincke M, Droste M, Komerdus I, Maiter D, Kastelan D, Chanson P, Pfeifer M, Strasburger CJ, Tóth M, Chabre O, Tabarin A, Krsek M, Fajardo C, Bolanowski M, Santos A, Wass JAH, Trainer PJ. Diagnostic tests for Cushing's syndrome differ from published guidelines: data from ERCUSYN. Eur J Endocrinol 2017; 176:613-624. [PMID: 28377460 DOI: 10.1530/eje-16-0967] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 02/13/2017] [Accepted: 02/21/2017] [Indexed: 11/08/2022]
Abstract
OBJECTIVE To evaluate which tests are performed to diagnose hypercortisolism in patients included in the European Registry on Cushing's syndrome (ERCUSYN), and to examine if their use differs from the current guidelines. PATIENTS AND METHODS We analyzed data on the diagnostic tests performed in 1341 patients with Cushing's syndrome (CS) who have been entered into the ERCUSYN database between January 1, 2000 and January 31, 2016 from 57 centers in 26 European countries. Sixty-seven percent had pituitary-dependent CS (PIT-CS), 24% had adrenal-dependent CS (ADR-CS), 6% had CS from an ectopic source (ECT-CS) and 3% were classified as having CS from other causes (OTH-CS). RESULTS Of the first-line tests, urinary free cortisol (UFC) test was performed in 78% of patients, overnight 1 mg dexamethasone suppression test (DST) in 60% and late-night salivary cortisol (LSaC) in 25%. Use of LSaC increased in the last five years as compared with previous years (P < 0.01). Use of HDDST was slightly more frequent in the last 5 years as compared with previous years (P < 0.05). Of the additional tests, late-night serum cortisol (LSeC) was measured in 62% and 48-h 2 mg/day low-dose dexamethasone suppression test (LDDST) in 33% of cases. ACTH was performed in 78% of patients. LSeC and overnight 1 mg DST supported the diagnosis of both PIT-CS and ADR-CS more frequently than UFC (P < 0.05). CONCLUSIONS Use of diagnostic tests for CS varies across Europe and partly differs from the currently available guidelines. It would seem pertinent that a European consensus be established to determine the best diagnostic approach to CS, taking into account specific inter-country differences with regard to the availability of diagnostic tools.
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Affiliation(s)
- Elena Valassi
- IIB-Sant Pau and Department of Endocrinology/MedicineHospital Sant Pau, UAB, and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBER-ER, Unidad 747), ISCIII, Barcelona, Spain
| | - Holger Franz
- Lohmann & Birkner Health Care Consulting GmbHBerlin, Germany
| | - Thierry Brue
- Aix-Marseille UniversitéCNRS, CRN2M UMR 7286, and APHM, Hôpital Conception, Marseille, France
| | | | | | | | - Susan M Webb
- IIB-Sant Pau and Department of Endocrinology/MedicineHospital Sant Pau, UAB, and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBER-ER, Unidad 747), ISCIII, Barcelona, Spain
| | | | - Martin Reincke
- Medizinische Klinik und Poliklinik IVCampus Innestadt, Klinikum der Universität München, München, Germany
| | | | - Irina Komerdus
- Moscow Regional Research Clinical InstituteMoscow, Russia
| | | | - Darko Kastelan
- Department of EndocrinologyUniversity Hospital Zagreb, School of Medicine University of Zagreb, Zagreb, Croatia
| | - Philippe Chanson
- Univ Paris-SudUniversité Paris-Saclay UMR-S1185, Le Kremlin Bicêtre, Paris, France
- Assistance Publique-Hôpitaux de ParisHôpital de Bicêtre, Service de Endocrinologie et des Maladies de la Reproduction, Le Kremlin Bicêtre, Paris, France
- Institut National de la Santé et de la Recherche Médicale U1185Le Kremlin Bicêtre, Paris, France
| | - Marija Pfeifer
- Department of EndocrinologyUniversity Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Christian J Strasburger
- Division of Clinical EndocrinologyDepartment of Medicine CCM, Charité-Universitätsmedizin, Berlin, Germany
| | - Miklós Tóth
- 2nd Department of MedicineSemmelweis University, Budapest, Hungary
| | - Olivier Chabre
- Service d'Endocrinologie-Diabétologie-NutritionGrenoble Cedex, France
| | - Antoine Tabarin
- Centre Hospitalier Universitaire de BordeauxBordeaux, France
| | - Michal Krsek
- 2nd Department of Internal Medicine3rd Faculty of Medicine and University Hospital Kralovske Vinohrady, Prague, Czech Republic
| | - Carmen Fajardo
- Department of EndocrinologyHospital Universitario de la Ribera, Alzira, Spain
| | - Marek Bolanowski
- Department of EndocrinologyDiabetology and Isotope Therapy, Wroclaw Medical University, Wroclaw, Poland
| | - Alicia Santos
- IIB-Sant Pau and Department of Endocrinology/MedicineHospital Sant Pau, UAB, and Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBER-ER, Unidad 747), ISCIII, Barcelona, Spain
| | | | - Peter J Trainer
- Department of EndocrinologyChristie Hospital, Manchester, UK
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19
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Bae YJ, Gaudl A, Jaeger S, Stadelmann S, Hiemisch A, Kiess W, Willenberg A, Schaab M, von Klitzing K, Thiery J, Ceglarek U, Döhnert M, Kratzsch J. Immunoassay or LC-MS/MS for the measurement of salivary cortisol in children? Clin Chem Lab Med 2017; 54:811-22. [PMID: 26562033 DOI: 10.1515/cclm-2015-0412] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 10/10/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND Dysregulation of the adrenal cortex has been assessed with measurement of salivary cortisol. So far salivary cortisol is routinely measured with immunoassay (IA). However, liquid chromatography-tandem mass spectrometry (MS) is known to offer better specificity. We compared the concentrations of salivary cortisol measured by MS and IA at basal and stress induced conditions and evaluated reasons for the difference in method-dependent cortisol results. METHODS Saliva samples (n=2703) were collected from 169 children (age range: 8-14 years; 81 healthy children; 55 with internalizing and 33 with externalizing disorders) under circadian conditions and during the Trier Social Stress Test for Children (TSST-C). Biochemical analyses were performed with MS for cortisol and cortisone, IA (IBL, RE62011) for cortisol, and enzyme kinetic assay for α-amylase. RESULTS MS and IA showed mostly comparable results for circadian activity and TSST-C response with similar statistical power. However, IA measured cortisol concentrations about 2.39-fold higher than MS. We found that this difference in measured values between MS and IA was mainly due to different standardization of IA compared to MS. In addition, at cortisol IA concentration below 5 nmol/L, cross-reactivity with cortisone was found to contribute to the lower concordance between MS and IA. CONCLUSIONS Immunoassay and LC-MS/MS were largely comparable in the interpretation of salivary cortisol dynamics in stress research. But the IA method revealed a restricted accuracy in the measuring range below 5 nmol/L.
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Abstract
Hypopituitarism refers to deficiency of one or more hormones produced by the anterior pituitary or released from the posterior pituitary. Hypopituitarism is associated with excess mortality, a key risk factor being cortisol deficiency due to adrenocorticotropic hormone (ACTH) deficiency. Onset can be acute or insidious, and the most common cause in adulthood is a pituitary adenoma, or treatment with pituitary surgery or radiotherapy. Hypopituitarism is diagnosed based on baseline blood sampling for thyroid stimulating hormone, gonadotropin, and prolactin deficiencies, whereas for ACTH, growth hormone, and antidiuretic hormone deficiency dynamic stimulation tests are usually needed. Repeated pituitary function assessment at regular intervals is needed for diagnosis of the predictable but slowly evolving forms of hypopituitarism. Replacement treatment exists in the form of thyroxine, hydrocortisone, sex steroids, growth hormone, and desmopressin. If onset is acute, cortisol deficiency should be replaced first. Modifications in replacement treatment are needed during the transition from paediatric to adult endocrine care, and during pregnancy.
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Affiliation(s)
- Claire E Higham
- Department of Endocrinology, Christie Hospital NHS Foundation Trust, Manchester, UK; Centre for Endocrinology and Diabetes, Institute of Human Development, Faculty of Medical and Human Sciences, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Gudmundur Johannsson
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Endocrinology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Stephen M Shalet
- Department of Endocrinology, Christie Hospital NHS Foundation Trust, Manchester, UK; Centre for Endocrinology and Diabetes, Institute of Human Development, Faculty of Medical and Human Sciences, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK.
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Keevil BG. LC–MS/MS analysis of steroids in the clinical laboratory. Clin Biochem 2016; 49:989-97. [DOI: 10.1016/j.clinbiochem.2016.04.009] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 04/14/2016] [Accepted: 04/16/2016] [Indexed: 02/06/2023]
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Hawley JM, Owen LJ, Lockhart SJ, Monaghan PJ, Armston A, Chadwick CA, Wilshaw H, Freire M, Perry L, Keevil BG. Serum Cortisol: An Up-To-Date Assessment of Routine Assay Performance. Clin Chem 2016; 62:1220-9. [DOI: 10.1373/clinchem.2016.255034] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 05/17/2016] [Indexed: 11/06/2022]
Abstract
Abstract
BACKGROUND
Accurate serum cortisol quantification is required for the correct diagnosis and management of adrenal pathologies. Presently, most laboratories use immunoassay to measure serum cortisol with proficiency schemes demonstrating a wide dispersion of results. Here, we investigate the effects of sex, matrix, and antibody specificity on serum cortisol quantification in 6 routine assays.
METHODS
Surplus serum was obtained before disposal and the following cohorts were created: males, nonpregnant females, pregnant patients, and patients prescribed either metyrapone or prednisolone. Samples were anonymized and distributed to collaborating laboratories for cortisol analysis by 6 routine assays. Cortisol was also measured in all samples using an LC-MS/MS candidate reference measurement procedure (cRMP); cortisol-binding globulin (CBG) was measured in the nonpregnant and pregnant female cohorts.
RESULTS
Considerable inter- and intraassay variation was observed across the male and nonpregnant female cohorts relative to the cRMP. Four immunoassays underrecovered cortisol in the pregnancy cohort, and CBG was found to be significantly higher in this cohort than in the nonpregnant females. In the metyrapone and prednisolone cohorts, all immunoassays overestimated cortisol. The first generation Roche E170 and Siemens Centaur XP were particularly prone to overestimation. In all cohorts the routine LC-MS/MS assay aligned extremely well with the cRMP.
CONCLUSIONS
Despite the clinical importance of serum cortisol, the performance of routine immunoassays remains highly variable. Accurate quantification is compromised by both matrix effects and antibody specificity. Underpinning this study with a cRMP has highlighted the deficiencies in standardization across routine cortisol immunoassays.
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Affiliation(s)
| | - Laura J Owen
- University Hospital South Manchester, Manchester, UK
- Manchester Academic Health Science Centre, Manchester, UK
| | | | - Phillip J Monaghan
- The Christie Pathology Partnership, The Christie NHS Foundation Trust, Manchester, UK
| | | | | | | | | | | | - Brian G Keevil
- University Hospital South Manchester, Manchester, UK
- Manchester Academic Health Science Centre, Manchester, UK
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Quanson JL, Stander MA, Pretorius E, Jenkinson C, Taylor AE, Storbeck KH. High-throughput analysis of 19 endogenous androgenic steroids by ultra-performance convergence chromatography tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1031:131-138. [DOI: 10.1016/j.jchromb.2016.07.024] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 07/06/2016] [Accepted: 07/13/2016] [Indexed: 01/13/2023]
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Affiliation(s)
- Hershel Raff
- Departments of Medicine, Surgery, and Physiology, Medical College of Wisconsin, and Endocrine Research Laboratory, Aurora St. Luke's Medical Center, Aurora Research Institute, Milwaukee, Wisconsin 53215
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Hawley JM, Owen LJ, MacKenzie F, Mussell C, Cowen S, Keevil BG. Candidate Reference Measurement Procedure for the Quantification of Total Serum Cortisol with LC-MS/MS. Clin Chem 2016; 62:262-9. [DOI: 10.1373/clinchem.2015.243576] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 09/10/2015] [Indexed: 11/06/2022]
Abstract
Abstract
BACKGROUND
Accurate measurement of serum cortisol is required to diagnose and treat adrenal disorders. Although certified reference materials (CRMs) are available to standardize cortisol measurements, External Quality Assessment (EQA) schemes still demonstrate a wide dispersion of results. We present a serum cortisol candidate reference measurement procedure that, through analysis of a Joint Committee for Traceability in Laboratory Medicine–listed panel of higher-order CRMs, provides metrologically traceable results.
METHOD
Isotope-labeled internal standard was added to samples before supported liquid extraction. Extracts were analyzed with LC-MS/MS in positive electrospray ionization mode. Multiple reaction monitoring was used to detect cortisol and its corresponding internal standard transitions. We measured samples in triplicate over 3 days and calculated the mean result.
RESULTS
Mean intra- and interassay imprecision were 1.3% and 1.5%, respectively, for concentrations of 154, 510, and 769 nmol/L. Ionization efficiency studies and structural analog analysis proved the method to be robust against interferences. Through analysis of 34 CRMs (83–764 nmol/L), expanded measurement uncertainty was calculated to be 5% (95% CI). The mean bias between the measured and target CRM concentrations was statistically insignificant at −0.08%.
CONCLUSIONS
The accuracy and low measurement uncertainty of this method qualify it as a CRM procedure. Metrological traceability has been achieved through the analysis of higher-order CRMs. This method could be used to underpin serum cortisol EQA schemes to provide samples with a traceable target value, enabling participating laboratories to determine the accuracy and measurement uncertainty of their assays.
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Affiliation(s)
| | - Laura J Owen
- University Hospital South Manchester, Manchester, UK
- Manchester Academic Health Science Centre, Manchester, UK
| | - Finlay MacKenzie
- Birmingham Quality, UK National External Quality Assessment Scheme, University Hospitals Birmingham National Health Service Foundation Trust, Birmingham, UK
| | | | | | - Brian G Keevil
- University Hospital South Manchester, Manchester, UK
- Manchester Academic Health Science Centre, Manchester, UK
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Salivary cortisol and cortisone by LC–MS/MS: validation, reference intervals and diagnostic accuracy in Cushing's syndrome. Clin Chim Acta 2015; 451:247-51. [DOI: 10.1016/j.cca.2015.10.004] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 09/08/2015] [Accepted: 10/05/2015] [Indexed: 01/17/2023]
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Byrd JB, Rothberg AE, Chomic R, Burant CF, Brook RD, Auchus RJ. Serum Cortisol-to-Cortisone Ratio and Blood Pressure in Severe Obesity before and after Weight Loss. Cardiorenal Med 2015; 6:1-7. [PMID: 27194991 PMCID: PMC4698606 DOI: 10.1159/000438462] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 07/02/2015] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND/AIMS The pathogenesis of obesity-associated hypertension is poorly understood. Serum cortisol-to-cortisone ratio (F/E ratio) is a marker of cortisol metabolism. Our objective was to determine whether the serum F/E ratio is associated with blood pressure (BP) in patients after significant weight loss (≥15% from baseline weight). METHODS Sera from 43 nondiabetic, severely obese males participating in a weight management program were assayed for F and E by mass spectrometry. We assessed whether changes in the F/E ratio accompanying weight loss correlate with changes in the systolic (SBP) and diastolic BP (DBP). Linear regression was used to evaluate change in the F/E ratio as a predictor of change in BP. RESULTS The body mass index decreased from 40.8 ± 5.6 to 33.7 ± 4.8 (p < 0.001); also, SBP (133.2 ± 13.8 vs. 124.1 ± 14.3 mm Hg; p < 0.001) and DBP (69.8 ± 8.0 vs. 66.6 ± 9.4 mm Hg; p = 0.026) decreased during the study. The baseline F/E ratio tended to associate with baseline DBP (Spearman's r = -0.29, p = 0.06), and change in the serum F/E ratio correlated with change in DBP (Spearman's r = -0.32, p = 0.036). Change in the F/E ratio also tended to associate with change in SBP (Spearman's r = -0.27, p = 0.08). A multiple linear regression model adjusted for change in the F/E ratio and age explained 22% of the variance in SBP change (R(2) = 0.22, p = 0.007). Change in the F/E ratio independently predicted change in SBP (p = 0.036). CONCLUSION In our sample of nondiabetic, severely obese males, change in the serum F/E ratio was associated with change in BP after weight loss.
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Affiliation(s)
| | - Amy E. Rothberg
- Division of Metabolism, Endocrinology and Diabetes, Department of Internal Medicine, Mich., USA
- Division of Weight Management Program, Mich., USA
| | | | - Charles F. Burant
- Division of Metabolism, Endocrinology and Diabetes, Department of Internal Medicine, Mich., USA
- Division of Weight Management Program, Mich., USA
- Division of Metabolomics Core, Mich., USA
- Department of Molecular and Integrative Physiology, Mich., USA
| | | | - Richard J. Auchus
- Division of Metabolism, Endocrinology and Diabetes, Department of Internal Medicine, Mich., USA
- Division of Metabolomics Core, Mich., USA
- Division of Pharmacology, University of Michigan, Ann Arbor, Mich., USA
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Fenske B, Kische H, Gross S, Wallaschofski H, Völzke H, Dörr M, Nauck M, Keevil BG, Brabant G, Haring R. Endogenous Androgens and Sex Hormone-Binding Globulin in Women and Risk of Metabolic Syndrome and Type 2 Diabetes. J Clin Endocrinol Metab 2015; 100:4595-603. [PMID: 26445113 DOI: 10.1210/jc.2015-2546] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
CONTEXT AND OBJECTIVES The association of endogenous androgens and sex hormone-binding globulin (SHBG) with metabolic syndrome (MetS) and type 2 diabetes mellitus (T2DM) mostly 23562 refers to small and selected study samples with immunoassay-based measurements. Thus, we investigated the association of hormone levels with MetS and T2DM in women from a large population-based sample. DESIGN, SETTING, AND PARTICIPANTS A total of 2077 women from the Study of Health in Pomerania were assessed at baseline (N = 3160, 1997-2001) and 5-year follow-up (N = 1711, 2002-2006). MAIN OUTCOMES AND MEASURES We investigated associations of total testosterone (T) and androstenedione measured by liquid chromatography-tandem mass spectrometry, SHBG by immunoassay, and free T and free androgen index with MetS and T2DM. RESULTS Baseline prevalence of MetS and T2DM was 23.1% (N = 365) and 9.5% (N = 196), with an incidence of 17.7 and 7.0 per 1.000 person-years, respectively. Cross-sectional analyses yielded inverse associations of SHBG with MetS (relative risk [RR], 0.67; 95% confidence interval [CI], 0.60-0.74) and T2DM (RR, 0.61; 95% CI, 0.50-0.74) after multivariable adjustment. In longitudinal analyses, only age-adjusted models showed an inverse association of baseline SHBG with incident MetS (RR, 0.61; 95% CI, 0.51-0.73) and T2DM (RR, 0.58; 95% CI, 0.43-0.78). Multivariable-adjusted models stratified by menopausal status revealed an inverse association between SHBG and incident MetS risk in postmenopausal women (RR, 0.65; 95% CI, 0.51-0.81). CONCLUSIONS This longitudinal population-based study revealed independent inverse associations of SHBG with MetS and T2DM, suggesting low SHBG as a potential risk marker for cardiometabolic morbidity, especially among postmenopausal women.
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Affiliation(s)
- Benjamin Fenske
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Hanna Kische
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Stefan Gross
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Henri Wallaschofski
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Henry Völzke
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Marcus Dörr
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Matthias Nauck
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Brian G Keevil
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Georg Brabant
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
| | - Robin Haring
- Institute of Clinical Chemistry and Laboratory Medicine (B.F., H.K. H.W., M.N., R.H.), DZHK (German Centre for Cardiovascular Research) (S.G., H.W., H.V., M.D., M.N., R.H.), Greifswald, Germany 17475, Institute for Community Medicine (H.V.), Department of Cardiology (S.G., M.D.), University Medicine Greifswald, Germany 17475; Department of Clinical Chemistry (B.G.K.), University Hospital, South Manchester, United Kingdom M23 9LT; Department of Internal Medicine I (G.B.), University Lübeck, Germany 23562; and European University of Applied Sciences (R.H.), Faculty of Applied Public Health, Rostock, Germany 18057
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Taylor AE, Keevil B, Huhtaniemi IT. Mass spectrometry and immunoassay: how to measure steroid hormones today and tomorrow. Eur J Endocrinol 2015; 173:D1-12. [PMID: 25877990 DOI: 10.1530/eje-15-0338] [Citation(s) in RCA: 181] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Accepted: 04/15/2015] [Indexed: 11/08/2022]
Abstract
The recent onslaught of mass spectrometry (MS) to measurements of steroid hormones, including demands that they should be the only acceptable method, has confused clinicians and scientists who have relied for more than 40 years on a variety of immunoassay (IA) methods in steroid hormone measurements. There is little doubt that MS methods with their superior specificity will be the future method of choice in many clinical and research applications of steroid hormone measurement. However, the majority of steroid measurements are currently, and will continue to be, carried out using various types of IAs for several reasons, including their technical ease, cost and availability of commercial reagents. Speedy replacement of all IAs with MS is an unrealistic and unnecessary goal, because the availability of MS measurements is limited by cost, need of expensive equipment, technical demands and lack of commercial applications. Furthermore, IAs have multiple well-known advantages that vindicate their continuing use. The purpose of this article is to elucidate the advantages and limitations of the MS and IA techniques from two angles, i.e. promotion of MS and defence of IA. The purpose of the text is to give the reader an unbiased view about the current state and future trends of steroid analysis and to help him/her choose the correct assay method to serve his/her diagnostic and research needs.
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Affiliation(s)
- Angela E Taylor
- School of MedicineCentre for Endocrinology, Diabetes and Metabolism, University of Birmingham, Birmingham, UKDepartment of Clinical BiochemistryManchester Academic Health Science Centre, University Hospital of S Manchester, The University of Manchester, Manchester, UKDepartment of Surgery and CancerImperial College London, Institute of Reproductive and Developmental Biology, Hammersmith Campus, London W12 0NN, UKDepartment of PhysiologyInstitute of Biomedicine, University of Turku, 20520 Turku, Finland
| | - Brian Keevil
- School of MedicineCentre for Endocrinology, Diabetes and Metabolism, University of Birmingham, Birmingham, UKDepartment of Clinical BiochemistryManchester Academic Health Science Centre, University Hospital of S Manchester, The University of Manchester, Manchester, UKDepartment of Surgery and CancerImperial College London, Institute of Reproductive and Developmental Biology, Hammersmith Campus, London W12 0NN, UKDepartment of PhysiologyInstitute of Biomedicine, University of Turku, 20520 Turku, Finland
| | - Ilpo T Huhtaniemi
- School of MedicineCentre for Endocrinology, Diabetes and Metabolism, University of Birmingham, Birmingham, UKDepartment of Clinical BiochemistryManchester Academic Health Science Centre, University Hospital of S Manchester, The University of Manchester, Manchester, UKDepartment of Surgery and CancerImperial College London, Institute of Reproductive and Developmental Biology, Hammersmith Campus, London W12 0NN, UKDepartment of PhysiologyInstitute of Biomedicine, University of Turku, 20520 Turku, Finland School of MedicineCentre for Endocrinology, Diabetes and Metabolism, University of Birmingham, Birmingham, UKDepartment of Clinical BiochemistryManchester Academic Health Science Centre, University Hospital of S Manchester, The University of Manchester, Manchester, UKDepartment of Surgery and CancerImperial College London, Institute of Reproductive and Developmental Biology, Hammersmith Campus, London W12 0NN, UKDepartment of PhysiologyInstitute of Biomedicine, University of Turku, 20520 Turku, Finland
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