research The anxiolytic effect of pregnancy in rats is reversed by finasteride
Pregnancy reduces anxiety in rats, but finasteride reverses this effect.
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research Fractography of human hair
Moisture content significantly affects how human hair breaks.
research Tactile innervation densities across the whole body
The skin has about 230,000 touch-sensitive nerve fibers, with high concentrations in the hands and face.
research Depletion of cortical allopregnanolone potentiates stress-induced increase in cortical dopamine output
Lower allopregnanolone levels increase stress-related dopamine release in the brain.
research Replenishing amino acids in damaged hair
Adding amino acids to damaged hair can improve its strength and appearance.
research Perspectives on Hair Evolution Based on Some Comparative Studies on Vertebrate Cornification
Hair in mammals likely evolved from glandular structures, not scales.
research Long-term physiological trends and their drivers: linking hair hormone concentrations with telemetry data in GPS-collared Serengeti wildebeest
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
research Seasonal Changes in the Concentrations of Terpenic Compounds Contained in the Leaves of Coniferous Trees
Terpene concentrations in coniferous trees are highest in spring and summer, making these seasons best for extracting essential oils.
research Acidic and basic hair/nail ("hard") keratins: their colocalization in upper cortical and cuticle cells of the human hair follicle and their relationship to "soft" keratins.
Hair and nail cells share similar proteins, indicating a common differentiation pathway.
research Minoxidil Regulates Aging-Like Phenotypes in Rat Cortical Astrocytes In Vitro
Minoxidil may help reduce aging effects in brain cells.
research Three-Month Treatment With a Long-Acting Gonadotropin-Releasing Hormone Agonist of Patients With Benign Prostatic Hyperplasia: Effects on Tissue Androgen Concentration, 5α-Reductase Activity and Androgen Receptor Content*
A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.
research The structure of hair and follicles of mice carrying the naked (N) gene
Mice with the naked gene have missing or abnormal hair cells.
research Cultured nail keratinocytes express hard keratins characteristic of nail and hair in vivo
Lab-grown nail cells show characteristics similar to natural nail and hair.
research Transgender and Migraine
Hormone therapy may increase migraines in transgender women and decrease them in transgender men; more research is needed on migraine management in transgender individuals.
research Transforming growth factor-alpha immunoreactivity during induced hair follicle growth cycles in sheep and ferrets.
TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
research Tactile innervation densities across the whole body
Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.
research Gene Expression of Mouse S100A3, a Cysteine-Rich Calcium-Binding Protein, in Developing Hair Follicle
S100A3 protein is crucial for hair shaft formation in mice.
research A function for Rac1 in the terminal differentiation and pigmentation of hair
Rac1 is essential for proper hair structure and color.
research Dose-Dependent Histopathological and Structural Impact of Chemical Hair-Straighteners on Scalp Epithelium and Hair-Fibres Using Albino Wistar Rats
Chemical hair straighteners can severely damage hair and scalp with repeated use.
research Congenital Adrenal Hyperplasia
The document concludes that proper diagnosis and a multidisciplinary approach are crucial for managing Congenital Adrenal Hyperplasia effectively.
research Radiation- and Chemotherapy-Induced Permanent Alopecia: Case Series
Some cancer treatments can cause permanent hair loss.
research Male Equivalent Polycystic Ovarian Syndrome: Hormonal, Metabolic, and Clinical Aspects.
Men with hormonal imbalances similar to PCOS may have increased risk of metabolic and heart diseases.
research Binding Interactions of Keratin-Based Hair Fiber Extract to Gold, Keratin, and BMP-2
Keratin from hair binds well to gold and BMP-2, useful for bone repair.
research Novel delivery strategy: finasteride-loaded solid lipid nanoparticles for improved androgenetic alopecia therapy
The new delivery method for finasteride using nanoparticles may improve hair growth without skin issues.
research SUN-376 Isolated DHEA-S Production by an Adrenal Neoplasm: Clinical, Biochemical, and Pathologic Findings
A rare adrenal tumor in a woman only made DHEA-S, causing hair thinning, and was removed, fixing the hormone level.
research Distinguishing Mouse Strains by Proteomic Analysis of Pelage Hair
Proteomic analysis can identify genetic differences in mouse hair, helping understand hair defects and variations.
research Hyperandrogenism from an Ovarian Interstitial-Cell Tumor in an Alpaca
An alpaca acted like a male and couldn't have babies because of a benign tumor in its ovary that caused high testosterone levels.
research Study on modification of rabbit hair fibers with L-cysteine
L-cysteine and ultrasound successfully improved rabbit hair fibers for industrial use.
research Human pollution exposure correlates with accelerated ultrastructural degradation of hair fibers
Pollution exposure speeds up hair damage.
research Quantifying Polymer Deposition on Hair Fibers by Microfluorometry
Microfluorometry effectively measures how much polymer coats and penetrates hair, useful for evaluating hair products.