research Apparent Hyperandrogenemia Due to Immunoassay Interference Resolved by Liquid Chromatography–Tandem Mass Spectrometry
False high testosterone levels were corrected using a more accurate test.
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30 / 1000+ resultsresearch SUN-195 Falsely Elevated Testosterone Levels: Role of LC-MS/MS in Reducing Unnecessary Testing
Using LC-MS/MS for hormone measurement can prevent false high testosterone results and avoid unnecessary tests.
research Biotin beware: Perils of biotin supplementation: Response to: “The epidemiology, impact, and diagnosis of micronutrient nutritional dermatoses. Part 2: B-complex vitamins”
Taking biotin supplements can be risky and often lacks evidence of effectiveness for skin, hair, and nail issues.
research Management of “hyperandrogenism” confounded by dermatology biotin prescriptions
Biotin can interfere with lab tests, causing misdiagnosis.
research Unusual Presentation of Denys-Drash Syndrome in a Girl with Undisclosed Consumption of Biotin
A girl with Denys-Drash syndrome was misdiagnosed due to biotin affecting her hormone test results.
research Biotin: A friend or foe in hair loss
Biotin doesn't help hair growth in healthy people and can cause health risks if overused.
research PMON224 Newly Observed Interference of Oral Biotin with the Free Testosterone Assay? In a Woman with Postmenopausal Virilization.
Taking biotin can lead to incorrect low results in free testosterone tests.
research Design and Validation of a Sensitive Multisteroid LC-MS/MS Assay for the Routine Clinical Use: One-Step Sample Preparation with Phospholipid Removal and Comparison to Immunoassays
The new LC-MS/MS method is more accurate and reliable than traditional immunoassays for measuring steroids in serum.
research Analytical interference of biotin
Taking too much biotin can mess up blood test results, which might lead to wrong diagnoses and treatments.
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.
research Revisiting hyper- and hypo-androgenism by tandem mass spectrometry
The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
research Polycystic ovary syndrome and the differential diagnosis of hyperandrogenism
The document concludes that careful evaluation is needed to diagnose PCOS correctly due to similar symptoms in other conditions, and accurate testosterone level measurement is crucial.
research Quantification of biotin in plasma samples by column switching liquid chromatography – tandem mass spectrometry
The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.
research Proton Affinitive Derivatization for Highly Sensitive Determination of Testosterone and Dihydrotestosterone in Saliva Samples by LC-ESI-MS/MS
Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
research Supplement use among women experiencing hair loss
Most women with hair loss take more supplements than average, but these often don't help and can be risky and costly.
research Hair Loss After Sleeve Gastrectomy and Effect of Biotin Supplements
Biotin supplements are generally ineffective in preventing hair loss after sleeve gastrectomy.
research Androgens in Women – Critical Evaluation of the Methods for Their Determination in Diagnostics of Endocrine Disorders
The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
research Evaluating the diagnostic accuracy of androgen measurement in polycystic ovary syndrome: a systematic review and diagnostic meta-analysis to inform evidence-based guidelines
Androgen measurement helps diagnose PCOS, but accuracy varies, needing standard methods.
research Rethinking biotin therapy for hair, nail, and skin disorders
Biotin supplements are not proven to improve hair or nails and may interfere with medical tests.
research Measurement of Steroid Hormones in Hair: an Analysis of Hormone Dynamics in Hair Follicles
The method accurately measures steroid hormones in hair to study hormone dynamics related to hair loss.
research Can Extra Adrenal Cortisol Secretion Occur in an Adrenalectomized Patient?
A patient produced cortisol after adrenalectomy, possibly due to residual tissue or other body parts making steroids.
research Enzyme-linked immunosorbent assays for doping control of 5α-reductase inhibitors finasteride and dutasteride
New tests detect finasteride and dutasteride in urine quickly and easily.
research The Association between Low (or Reduced) Circulating Insulin-Like Growth Factor-1 and Insulin-Like Growth Factor Binding Protein-3 with Hair Loss in Women. A Case-Control Study in Basrah, Iraq
Women with hair loss had lower IGF-1 levels.
research Advances in Knowledge of Androgens: How Intentional and Accidental Neurosteroid Changes Inform Us of Their Action and Role
Finasteride can have lasting negative effects on brain function and behavior by disrupting neurosteroid production.
research Biotin
Biotin supplements are unnecessary for most people but may help with certain conditions like biotin deficiency, brittle nails, and some hair loss.
research Biotin - facts and hopes
Biotin is important for health, but taking extra usually doesn't help unless you're deficient.
research An isotope dilution-liquid chromatography-tandem mass spectrometry-based candidate reference measurement procedure for the quantification of 5-alpha-dihydrotestosterone in human serum and plasma
The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
research Deep Insight of Design, Mechanism, and Cancer Theranostic Strategy of Nanozymes
Nanozymes show promise for effective and safe cancer treatment.
research Nanozymes expanding the boundaries of biocatalysis
Nanozymes greatly improve biocatalysis by being stable, efficient, and versatile.
research Activation of Cytoprotective Prostaglandin Synthase-1 by Minoxidil as a Possible Explanation for Its Hair Growth-Stimulating Effect
Minoxidil boosts hair growth by activating PGHS-1.