research MANAGEMENT OF ENDOCRINE DISEASE Hyperandrogenic states in women: pitfalls in laboratory diagnosis
Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.
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810-840 / 1000+ results research A quantitative ultra-performance liquid chromatography high-resolution mass spectrometry analysis of steroids from human scalp hair
The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
research Serum and hair steroid profiles and their associations with body composition in adolescence
Hair steroid profiling is a feasible, non-invasive alternative to serum analysis for assessing hormone levels and metabolism.
research Methods of hair loss evaluation in patients with endocrine disorders.
The document concludes that most patients with endocrine disorders experience diffuse, non-scarring hair loss, with scarring hair loss being rare.
research Direct quantitative digital autoradiography of testosterone metabolites in the pilosebaceous unit: an environmentally advantageous trace radioactive technology
The method accurately measures testosterone metabolites with high sensitivity and low environmental impact.
research Measurement of Cortisol and Testosterone in Hair of Obese and Non-Obese Human Subjects
Hair hormone levels can indicate obesity-related changes and are useful for research and clinical practice.
research A preliminary study of steroid reproductive hormones in human hair
Human hair can be used to measure reproductive hormones.
research Measurement of cortisol, dehydroepiandrosterone, and testosterone in the hair of children: Preliminary results and promising indications
Hair can effectively measure DHEA and testosterone levels in children.
research Simultaneous Determination of Selected Steroids with Neuroactive Effects in Human Serum by Ultrahigh-Performance Liquid Chromatography–Tandem Mass Spectrometry
A new method accurately measures nine neuroactive steroids in small blood samples, helping to study brain diseases.
research Significant Effects of Mild Endogenous Hormonal Changes in Humans: Considerations for Low-Dose Testing
Small hormonal imbalances can cause significant health problems, so more sensitive testing for hormone-disrupting chemicals is needed.
research Clinical dermatoendocrinology: saving lives by looking at the skin.
Skin changes can reveal serious hormone-related diseases, helping save lives.
research Determination of estradiol and progesterone concentrations in human scalp hair
Hair levels of estradiol and progesterone are higher in premenopausal than postmenopausal women, but the difference isn't statistically significant, indicating the need for a better measurement method.
research Extraction and Analysis of Cortisol from Human and Monkey Hair
The method effectively measures long-term stress levels using hair samples.
research Hair cortisol analysis: An update on methodological considerations and clinical applications
Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
research Establishing and Verifying a Robust Liquid Chromatography-Tandem Mass Spectrometry Method to Simultaneously Measure Seven Androgens Present in Plasma Samples
The method accurately measures seven androgens in plasma and shows different hormone levels in females with acne and obesity.
research THE INFLUENCE OF ALLOXAN DIABETES, METHYLTHIOURACIL, CORTISONE AND ADRENALINE ON THE UTILIZATION OF GLUCOSE 14C AND L-CYSTINE 35S AND MITOTIC ACTIVITY BY HAIR FOLLICLES IN WHITE MICE
Alloxan diabetes, methylthiouracil, cortisone, and adrenaline affect how white mice hair follicles use glucose and cystine and their cell division.
research The determination of endogenous steroids in hair and fur: A systematic review of methodologies
research The validation of estradiol extraction and analysis from hair
Hair can reliably measure average estradiol levels over months in humans and monkeys.
research Isotope Dilution-Based Targeted and Nontargeted Carbonyl Neurosteroid/Steroid Profiling
Researchers created a new method to measure brain steroids, finding higher levels of certain steroids and changes due to a drug.
research Diagnosis of hyperandrogenism: Biochemical criteria
The document concludes that accurate measurement of serum androgens is crucial for diagnosing hyperandrogenism.
research The quantification of reproductive hormones in the hair of captive adult brown bears and their application as indicators of sex and reproductive state
Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
research Clinical Impact of Molecular Diagnostics in Endocrinology
Molecular diagnostics help identify genetic defects causing endocrine diseases, improving diagnosis and treatment options.
research Evaluation of the rodent Hershberger assay using three reference endocrine disrupters (androgen and antiandrogens)
The assay effectively detects hormonal activity of certain chemicals.
research A Preliminary Assessment of Steroid Reproductive Hormones in Archaeological Human Hair Utilizing a Modified Enzyme-Linked Immunosorbent Assay (ELISA) Technique
Steroid hormones can be preserved in ancient hair, revealing insights into past health and fertility.
research Quantitative analysis of 34 sex (pro)hormones, conjugates and bioactive oxidation products thereof in human plasma by GC- and LC-MS/MS and systematic investigation of overestimations of analyte concentrations not accounted for by method validation
The method accurately measures sex hormones in human plasma but can have small errors.
research What is the best sampling region for endocrine hair analysis? A comparison between the posterior vertex and occipital region and recommendation for standardization
The occipital region is best for measuring cortisol and cortisone, while the posterior vertex is better for OEA, SEA, and PEA.
research Towards the validation of endogenous steroid testing in wildlife hair
Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
research Significant effects of mild endogenous hormonal changes in humans: considerations for low-dose testing.
Small changes in hormones can significantly impact health, showing the importance of sensitive testing for chemicals that disrupt hormones.
research Developmental and environmental determinants of hair steroids in children from birth to two years postnatally: A comprehensive analysis
Hair analysis can effectively assess long-term hormone activity in young children.
research Serum and hair steroid profiles and their associations with body composition in adolescence.
Androgen levels are more linked to body size in boys than girls.