Keevil, Brian G.

Age-associated changes in hypothalamic-pituitary-testicular function in middle-aged and older men are modified by weight change and lifestyle factors: longitudinal results from the European male ageing study

Camacho, E. M., Huhtaniemi, I. T., O'Neill, T. W., Finn, J. D., Pye, S. R., Lee, D. M., Tajar, A., Bartfai, G., Boonen, S., Casanueva, F. F., et al. (2013) · European Journal of Endocrinology

Hormonal and reproductive studiesHypothalamic control of reproductive hormones

Cited by 392

Altered 5-Hydroxytryptamine Signaling in Patients With Constipation- and Diarrhea-Predominant Irritable Bowel Syndrome

Atkinson, W., Lockhart, S., Whorwell, P. J., Keevil, B., & Houghton, L. A. (2006) · Gastroenterology

Gastrointestinal motility and disordersGut microbiota and health

Cited by 355

Mass spectrometry and immunoassay: how to measure steroid hormones today and tomorrow

Taylor, A. E., Keevil, B., & Huhtaniemi, I. T. (2015) · European Journal of Endocrinology

Mass Spectrometry Techniques and ApplicationsAdrenal Hormones and Disorders

Cited by 320

Steroid metabolome analysis reveals prevalent glucocorticoid excess in primary aldosteronism

Arlt, W., Lang, K., Sitch, A. J., Dietz, A. S., Rhayem, Y., Bancos, I., Feuchtinger, A., Chortis, V., Gilligan, L. C., Ludwig, P., et al. (2017) · JCI Insight

Hormonal Regulation and HypertensionAdrenal and Paraganglionic Tumors

Cited by 281

Salivary cortisone is a potential biomarker for serum free cortisol

Perogamvros, I., Keevil, B. G., Ray, D. W., & Trainer, P. J. (2010) · The Journal of Clinical Endocrinology & Metabolism

Adrenal Hormones and DisordersStress Responses and Cortisol

Cited by 222

Age-Specific Reference Ranges for Serum Testosterone and Androstenedione Concentrations in Women Measured by Liquid Chromatography-Tandem Mass Spectrometry

Haring, R., Hannemann, A., John, U., Radke, D., Nauck, M., Wallaschofski, H., Owen, L., Adaway, J., Keevil, B. G., & Brabant, G. (2012) · The Journal of Clinical Endocrinology & Metabolism

Hormonal and reproductive studiesClinical Laboratory Practices and Quality Control

Cited by 185

Low Free Testosterone Is Associated with Hypogonadal Signs and Symptoms in Men with Normal Total Testosterone

Antonio, L., Wu, F. C. W., O'Neill, T. W., Pye, S. R., Ahern, T. B., Laurent, M. R., Huhtaniemi, I. T., Lean, M. E. J., Keevil, B. G., Rastrelli, G., et al. (2016) · The Journal of Clinical Endocrinology & Metabolism

Hormonal and reproductive studiesSperm and Testicular Function

Cited by 174

LC–MS/MS analysis of steroids in the clinical laboratory

Keevil, B. G. (2016) · Clinical Biochemistry

Clinical Laboratory Practices and Quality ControlAdrenal Hormones and Disorders

Cited by 149

Simultaneous measurement of cortisol and cortisone in human saliva using liquid chromatography-tandem mass spectrometry: application in basal and stimulated conditions

Perogamvros, I., Owen, L. J., Newell-Price, J., Ray, D. W., Trainer, P. J., & Keevil, B. G. (2009) · Journal of Chromatography B

Adrenal Hormones and DisordersStress Responses and Cortisol

Cited by 140

Salivary cortisol and cortisone in the clinical setting

Blair, J., Adaway, J., Keevil, B., & Ross, R. (2017) · Current Opinion in Endocrinology, Diabetes & Obesity

Adrenal Hormones and DisordersStress Responses and Cortisol

Cited by 138

Salivary Cortisone Reflects Cortisol Exposure Under Physiological Conditions and After Hydrocortisone

Debono, M., Harrison, R. F., Whitaker, M. J., Eckland, D., Arlt, W., Keevil, B. G., & Ross, R. J. (2016) · The Journal of Clinical Endocrinology & Metabolism

Adrenal Hormones and DisordersStress Responses and Cortisol

Cited by 128

Comparison of serum cortisol measurement by immunoassay and liquid chromatography-tandem mass spectrometry in patients receiving the 11 β -hydroxylase inhibitor metyrapone

Monaghan, P. J., Owen, L. J., Trainer, P. J., Brabant, G., Keevil, B. G., & Darby, D. (2011) · Annals of Clinical Biochemistry International Journal of Laboratory Medicine

Clinical Laboratory Practices and Quality ControlAdrenal Hormones and Disorders

Cited by 111

Prevention of adrenal crisis: cortisol responses to major stress compared to stress dose hydrocortisone delivery

Prete, A., Taylor, A. E., Bancos, I., Smith, D. J., Foster, M. A., Kohler, S., Fazal-Sanderson, V., Komninos, J., O’Neil, D. M., Vassiliadi, D. A., et al. (2020) · The Journal of Clinical Endocrinology & Metabolism

Adrenal Hormones and DisordersStress Responses and Cortisol

Cited by 96

Serum cortisol: an up-to-date assessment of routine assay performance

Hawley, J. M., Owen, L. J., Lockhart, S. J., Monaghan, P. J., Armston, A., Chadwick, C. A., Wilshaw, H., Freire, M., Perry, L., & Keevil, B. G. (2016) · Clinical Chemistry

Clinical Laboratory Practices and Quality ControlAdrenal Hormones and Disorders

Cited by 95

25-hydroxyvitamin D3 and 1,25-dihydroxyvitamin D3 exert distinct effects on human skeletal muscle function and gene expression

Hassan-Smith, Z. K., Jenkinson, C., Smith, D. J., Hernandez, I., Morgan, S. A., Crabtree, N. J., Gittoes, N. J., Keevil, B. G., Stewart, P. M., & Hewison, M. (2017) · PLOS ONE

Vitamin D Research StudiesNutrition and Health in Aging

Cited by 84

Symptomatic androgen deficiency develops only when both total and free testosterone decline in obese men who may have incident biochemical secondary hypogonadism: Prospective results from the EMAS

Rastrelli, G., O'Neill, T. W., Ahern, T., Bártfai, G., Casanueva, F. F., Forti, G., Keevil, B., Giwercman, A., Han, T. S., Slowikowska‐Hilczer, J., et al. (2018) · Clinical Endocrinology

Hormonal and reproductive studiesHypothalamic control of reproductive hormones

Cited by 69

Simultaneous analysis of cortisol and cortisone in saliva using XLC–MS/MS for fully automated online solid phase extraction

Jones, R. L., Owen, L. J., Adaway, J. E., & Keevil, B. G. (2012) · Journal of Chromatography B

Stress Responses and CortisolAdrenal Hormones and Disorders

Cited by 69

Home waking salivary cortisone to screen for adrenal insufficiency

Debono, M., Elder, C. J., Lewis, J., Fearnside, J., Caunt, S., Dixon, S., Jacques, R. M., Newell-Price, J., Whitaker, M. J., Keevil, B., et al. (2023) · NEJM Evidence

Adrenal Hormones and DisordersStress Responses and Cortisol

Cited by 66

Measurement of salivary cortisol with liquid chromatography-tandem mass spectrometry in patients undergoing dynamic endocrine testing

Perogamvros, I., Owen, L. J., Keevil, B. G., Brabant, G., & Trainer, P. J. (2010) · Clinical Endocrinology

Adrenal Hormones and DisordersStress Responses and Cortisol

Cited by 61

Multi-steroid profiling by UHPLC-MS/MS with post-column infusion of ammonium fluoride

Schiffer, L., Shaheen, F., Gilligan, L. C., Storbeck, K.-H., Hawley, J. M., Keevil, B. G., Arlt, W., & Taylor, A. E. (2022) · Journal of Chromatography B

Analytical Methods in PharmaceuticalsAnalytical Chemistry and Chromatography

Cited by 52

Sigmoid‐colonic motility in health and irritable bowel syndrome: a role for 5‐hydroxytryptamine

Houghton, L. A., Atkinson, W., Lockhart, S., Fell, C., Whorwell, P. J., & Keevil, B. (2007) · Neurogastroenterology & Motility

Gastrointestinal motility and disordersInfant Health and Development

Cited by 46

Classic and 11-oxygenated androgens in serum and saliva across adulthood: a cross-sectional study analyzing the impact of age, body mass index, and diurnal and menstrual cycle variation

Schiffer, L., Kempegowda, P., Sitch, A. J., Adaway, J. E., Shaheen, F., Ebbehoj, A., Singh, S., McTaggart, M. P., O’Reilly, M. W., Prete, A., et al. (2023) · European Journal of Endocrinology

Hormonal and reproductive studiesAdrenal Hormones and Disorders

Cited by 42

Case for the wider adoption of mass spectrometry-based adrenal steroid testing, and beyond

Monaghan, P. J., Keevil, B. G., Stewart, P. M., & Trainer, P. J. (2014) · The Journal of Clinical Endocrinology & Metabolism

Adrenal Hormones and DisordersClinical Laboratory Practices and Quality Control

Cited by 41

Cortisol measurement in patients receiving metyrapone therapy

Owen, L. J., Halsall, D. J., & Keevil, B. G. (2010) · Annals of Clinical Biochemistry International Journal of Laboratory Medicine

Clinical Laboratory Practices and Quality ControlAdrenal Hormones and Disorders

Cited by 37