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This study introduced a validated LC-MS/MS-based method for profiling long-term steroid concentrations in human scalp hair, offering potential applications in endocrinology research.

This study describes a modified reduction-osmication method for staining human scalp hair that improves reagent penetration and visualization of hair cortex features using transmission electron microscopy.

This case series highlights that diagnosing ovarian Leydig cell tumors can be challenging, and expert sonography is crucial for accurate identification, as imaging modalities like CT, MRI, and PET-CT may fail to detect them.

This study identified a new subset of Ret-positive sensory neurons involved in itch perception, characterized by their unique expression profile and response to specific itch-inducing molecules.

This study examined patients with trichostasis spinulosa and identified distinct differences in the distribution and microscopic appearances of lesions compared to keratosis pilaris and eruptive vellus hair cysts.

Custom skincare can be made based on genes, fewer cats in Lublin have FeLV/FIV than national average, and studies also looked at small water bodies, river pollution, guppy growth, toxins in biochars, palm oil issues, and pumpkin seed oil for hair strength.

In this study, Dodatek A operationalizes the Functional Androgen Axis framework by defining three system-level indices and an efficiency metric to describe androgen function, incorporating key methodological improvements and acknowledging significant limitations for future empirical validation.

This study found that the yeast androgen screen (YAS) could detect the activity of methyltestosterone in urine for a longer period than classical GC/MS, potentially identifying long-lasting metabolites.

This study found that certain molecular quantum descriptors can be directly correlated with the biological activity of benzo[c]quinolizin-3-ones, potentially aiding in the identification and design of active compounds.

This study found that a human relevant potency threshold for estrogen receptor alpha agonism may serve as a health-protective screening tool, and highlights inference performance as essential for scientific confidence frameworks.

This study found that distinct glycoconjugate expression patterns in human hair follicle cells suggest complex carbohydrate metabolism, revealing a unique sugar moiety in outer root sheath cells not present in other keratinocytes.

The researchers reported that the rat Hershberger assay reliably detected endocrine-disrupting effects of finasteride, procymidone, and 17α-methyltestosterone, validating the assay's sensitivity for identifying hormonal activity.

This case study of a patient with a variant in the extracellular region of IL6ST suggests a potential expansion of the phenotypic spectrum for autosomal dominant hyper-IgE syndrome, warranting further investigation.

This research investigated the design and synthesis of steroid-based compounds as aromatase inhibitors for breast cancer, finding that certain structural modifications significantly enhance their inhibitory potency.

This study observed that lectin-binding patterns in skin appendage tumors reveal differences in sweat gland tumors compared to normal tissues, but pilosebaceous tumors maintained a similar lectin-binding pattern to their corresponding normal structures.

This study validated an HPLC analytical method for evaluating fenasteride in commercial products, finding it to be sensitive, selective, and within acceptance criteria for specificity, precision, and stability, making it suitable for quality control testing.

This study developed and validated a mass spectrometric method to measure hydroxy-androgens in serum, which aids in understanding androgen synthesis in castration resistant prostate cancer.

This study identified UBC22 as a novel E2 enzyme responsible for Lys11-linked ubiquitination in Arabidopsis, revealing its crucial roles in seed setting, female gametophyte development, and pathogen resistance.

EF and PXE not closely related.

This collection of interdisciplinary studies highlights research from various institutions on topics relevant to Brazilian social development, but it reports no new empirical findings.

This study observed that most age estimation tests in the Amazon region of Brazil are conducted for civil cases, highlighting the importance of thorough clinical and dental examinations in the absence of radiographic imaging.

This article discusses how dermoscopy, particularly "entomodermoscopy," aids in diagnosing skin infestations and infectious dermatoses, enhancing clinical evaluations, and monitoring treatment efficacy for conditions like scabies, pediculosis, myiasis, and tungiasis.

This review discusses recent data on the use of anabolic-androgenic steroids and other steroid compounds and reports no new clinical results.

In this study, researchers investigated the role of the ATX-LPA axis in asthma pathogenesis using human and mouse models and highlighted the potential for developing new ATX inhibitors as effective asthma treatments.

This protocol paper details methods for live imaging and analysis of dividing germline stem cells in C. elegans and reports no new research findings.

This review discusses five genetic fate mapping methods used to study cell behaviors during development and regeneration, detailing the necessary tools and considerations without reporting new experimental results.

This study developed a method using UHPLC-MS/MS and MSPE to detect trace amounts of sex hormones in cosmetics, finding progestins and estrogens in some products, and performed a preliminary safety evaluation for residual progesterone in hair loss prevention cosmetics.

In this study, applying case-only trees and random forests to a prostate cancer prevention trial revealed genotypes that may influence the efficacy of finasteride for prostate cancer prevention.

This study suggests that establishing international consensus guidelines for including concealed or sensitive sites in routine forensic examinations is crucial to clarify clinician responsibilities, guide patient expectations, and reduce potential medicolegal issues.

This study evaluated hair tonic and gel formulations containing Angiopteris evecta root water extract and found both fulfilled pharmaceutical preparation standards, with the 12.5% hair tonic and 10.0% gel concentrations most effective for hair growth without a significant difference in performance.