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This review discusses biotin supplementation for dermatological conditions and highlights the lack of strong evidence supporting its efficacy, as well as the potential for laboratory testing interference.

This review highlights the potential analytic interference of high-dose biotin with immunochemical tests, which may lead to diagnostic errors and suggests pausing biotin consumption before laboratory testing.

This source highlights concerns about the safety and efficacy of dietary supplements marketed for hair loss, citing a lack of FDA testing and potential risks such as adverse side effects, interference with medical tests, and withholding of ingredient information.

The researchers reported a case of falsely elevated testosterone in a teen, due to immunoassay interference, demonstrating that liquid chromatography tandem-mass spectrometry provides more accurate testosterone measurement, emphasizing the need for thorough analysis when clinical results are inconsistent.

This review discussed the variability in measuring serum testosterone levels and emphasized the need for standardizing testing and sharing updated treatment protocols to manage male hypogonadism effectively. It also highlighted the importance of considering secondary hypogonadism causes and suggested consulting with endocrinologists for optimal management.

Polyethylene alanine caused hair loss in young lab animals but not in adults, with hair regrowth occurring within 20 days.

This study found that eyebrow follicles, as opposed to buccal swabs or nails, are the most reliable tissue for post-HSCT germline genetic testing due to lower donor DNA contamination.

This case report describes a girl with Denys-Drash syndrome misdiagnosed with hyperandrogenism due to biotin interference in immunoassays, highlighting the need for awareness of laboratory result discrepancies.

This study identified that biotin ingestion led to interference in immunoassay results, falsely indicating high testosterone and insulin levels in a 28-year-old female patient, thus complicating her clinical assessment and treatment planning until recognized and resolved.

This study reports a unique case of trichotillomania as a presenting sign in a patient with neurological Wilson's disease, confirmed by genetic testing and copper abnormalities.

This review discusses the range and causes of adipose tissue diseases, emphasizing genetic and acquired forms of lipodystrophy, but it reports no new clinical results.

This article reviews current evaluation and treatment options for androgenic alopecia in women and reports no new clinical results.

This review analyzes 873 cases of female hyperandrogenism, primarily attributing it to polycystic ovarian syndrome, and explores sample testing for suspected neoplasms but reports no new clinical findings.

Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.

The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.

This article discusses the importance of interpreting laboratory data and performing physical assessments to support pharmacists in clinical decision-making and patient consultations, but reports no new empirical findings.

This study found that anovulatory PCOS patients were younger, had longer menstrual cycles, and higher systolic blood pressures compared to ovulatory patients.

This review discusses the challenges in measuring testosterone for assessing androgen excess in women and emphasizes the importance of quality control in laboratory methods, but it reports no new clinical results.

This paper discusses advancements in forensic hair analysis, emphasizing a novel DART–HRMS method that improves the accuracy and efficiency of detecting drug use timelines.

A thorough initial check-up is essential before sperm banking to ensure the best chance of preserving good quality sperm.

This article discusses the challenges in diagnosing non-classical congenital adrenal hyperplasia and emphasizes personalized treatment approaches, reporting no new clinical results.

This study demonstrated that RNA interference targeting mutant keratin genes can effectively correct hair shaft structural defects in a mouse model by reducing mutant gene expression.

This review discusses the dermatological and systemic adverse effects of hair dye use, particularly focusing on the common allergen para-phenylenediamine, and reports no new clinical data.

This study presents a method using liquid chromatography tandem mass spectrometry to quantify biotin in plasma and serum, and explores how high biotin intake can interfere with diagnostic immunoassays that utilize biotin-streptavidin technology, potentially leading to misdiagnosis of endocrine disorders.

This study presents a rapid method for detecting multiple xenobiotics in urine, effectively identifying 45 compounds banned in sports with detection limits below WADA's performance levels.

This study found that chronic administration of finasteride affected the isotopic composition of testosterone and nandrolone metabolites, impacting the drug-testing outcomes in athletic contexts.

This review examines the methods and challenges in androgen laboratory diagnostics, discussing their advantages, limitations, and evolution; it presents no new experimental results.

In this case report, a male patient with hair loss showed unusually high testosterone levels without other symptoms or supplement use; follow-up testing revealed normal levels, showcasing the importance of considering testosterone-protein binding differences and using equilibrium dialysis for accurate assessment.

In this study, researchers at the Laboratory of Regenerative Medicine WUM are exploring the long-term effects of SARS-CoV-19 infection, focusing on stem cell mobilization and engraftment processes, and utilizing advanced diagnostic techniques to develop algorithms for rare disease classification, including amyloidosis.

This study reported the development of fluorescent markers using wide band gap metal oxides with rare earth ions for early tumor detection and treatment. Testing in animals showed high efficiency and selectivity, with potential applications in contrast-enhanced MRI, targeted drug delivery, and photodynamic cancer therapy.