research Characteristics of Stable Isotope Signature of Diet in Tissues of Captive Japanese Macaques as Revealed by Controlled Feeding
More research is needed to understand how diet affects isotope signatures in Japanese macaque tissues.
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30 / 1000+ resultsresearch High-Resolution Stable Isotope Profiles of Modern Elephant (Loxodonta Africana) Tusk Dentin and Tail Hair from Kenya: Implications for Identifying Seasonal Variability in Climate, Ecology, and Diet in Ancient Proboscideans
Elephant tusks and hair reveal seasonal diet and climate changes.
research Carbon, Nitrogen, And Sulfur Elemental And Isotopic Variations In Mouse Hair And Bone Collagen During Short-Term Graded Calorie Restriction
Calorie restriction changes the elemental and isotopic makeup of mouse hair and bone.
research Stable Isotope Analyses of Carbon and Nitrogen in Hair Keratin of Suspected Man-Eating Wolves from the 1880s
The wolves suspected of man-eating in the 1880s likely ate very little human flesh and mostly consumed a diet similar to herbivores and omnivores.
research Improving Stable Isotopic Interpretations Made From Human Hair Through Reduction of Growth Cycle Error
The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
research Hair After Death
research Simultaneous Quantitation of Nine Hydroxy-Androgens and Their Conjugates in Human Serum by Stable Isotope Dilution Liquid Chromatography Electrospray Ionization Tandem Mass Spectrometry
A new method accurately measures nine specific hormones in human blood.
research Testosterone and Doping Control
The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.
research Liquid Chromatography-Mass Spectrometry Based Isotopic Abundance Ratio Analysis of the Consciousness Energy Healing Treated L-Cysteine
Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
research Matrix Effect in Quantitative LC/MS/MS Analyses of Biological Fluids: A Method for Determination of Finasteride in Human Plasma at Picogram Per Milliliter Concentrations
Method detects finasteride in plasma at very low concentrations.
research Elemental Hair Analysis: A Review of Procedures and Applications
Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
research Co-Administration of 5α-Reductase Inhibitors Worsens the Adverse Metabolic Effects of Prescribed Glucocorticoids
Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
research Steroid Biomarkers and Genetic Studies Reveal Inactivating Mutations in Hexose-6-Phosphate Dehydrogenase in Patients with Cortisone Reductase Deficiency
Certain mutations in the H6PD gene cause Cortisone Reductase Deficiency by affecting hormone production.
research Glutamine Metabolism Controls Stem Cell Fate Reversibility and Long-Term Maintenance in the Hair Follicle
Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
research An Approach to the Patient with Hirsutism
The document concludes with guidance for doctors on diagnosing and treating hirsutism effectively and safely.
research Selective Non-Steroidal Inhibitors of 5α-Reductase Type 1
Selective non-steroidal inhibitors of 5α-reductase type 1 can help treat DHT-related disorders.
research Biochemical Roles of Testosterone and Epitestosterone to 5α-Reductase as Indicators of Male-Pattern Baldness
High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
research 5α-Reduced Glucocorticoids: A Story of Natural Selection
Natural 5α-reduced glucocorticoids might be anti-inflammatory with fewer side effects than current options.
research Male Pattern Baldness and the Risk of Prostate Cancer
Men who experienced baldness at age 20 may have double the risk of getting prostate cancer.
research Investigation by Imaging Mass Spectrometry of Biomarker Candidates for Aging in the Hair Cortex
Certain molecules in hair change with age and could be used for cosmetic treatments.
research iTRAQ-Based Quantitative Proteomic Comparison of Early- and Late-Passage Human Dermal Papilla Cell Secretome in Relation to Inducing Hair Follicle Regeneration
Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.
research Measurement of Steroid Hormones by Liquid Chromatography-Tandem Mass Spectrometry with Small Amounts of Hair
A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
research The Coenzyme A Precursor Pantethine Enhances Antitumor Immunity in Sarcoma
Pantethine may boost the immune system's ability to fight sarcoma.
research Liquid Chromatography-Mass Spectrometry-Based In Vitro Metabolic Profiling Reveals Altered Enzyme Expressions in Eicosanoid Metabolism
The method reliably profiles eicosanoids and shows epitestosterone reduces their levels, similar to common anti-inflammatory drugs.
research Intracrine Androgen Biosynthesis, Metabolism, and Action Revisited
The document concludes that blocking the internal pathways that create androgens might help treat cancers that depend on sex hormones.
research Immunohistochemical Evaluation of Androgen Receptor and Nerve Structure Density in Human Prepuce from Patients with Persistent Sexual Side Effects after Finasteride Use for Androgenetic Alopecia
Finasteride, a hair loss drug, may cause long-term sexual side effects due to changes in hormone receptor levels.
research Are Nutraceuticals Effective in Covid-19 and Post-Covid Prevention and Treatment?
Some nutraceuticals may help in COVID-19 prevention and treatment, but more research is needed.
research Docosahexaenoic Acid Slows Inflammation Resolution and Impairs the Quality of Healed Skin Tissue
High DHA levels delay wound healing and worsen skin repair quality.
research Chemical Mechanism of the Covalent Modification of 5-Alpha-Reductases by Finasteride as Probed by Secondary Tritium Isotope Effects
Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.
research Simultaneous Determination of Multi-Class Active Pharmaceutical Ingredients by UHPLC-HRMS
A new method was developed to accurately detect and measure 47 different drug ingredients in various products.