research Light Scattering from Human Hair Fibers
Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.
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research Cutaneous Reactions to Chemotherapeutic Drugs and Targeted Therapy for Cancer
Targeted cancer therapies often cause skin reactions, so dermatologists must manage these effects.
research Co-Operation Between Follicular Ornithine Decarboxylase and v-Ha-ras Induces Spontaneous Papillomas and Malignant Conversion in Transgenic Skin
The study demonstrated that elevated levels of ornithine decarboxylase (ODC) and polyamines, when combined with a mutant Ha-ras gene, led to spontaneous tumor development in double transgenic mice. These mice, which were bred to carry both K6/ODC and v-Ha-ras transgenes, developed well-differentiated keratoacanthomas, some of which progressed to carcinomas within 2 months. The tumor development was dependent on ODC, as the use of the ODC inhibitor DFMO prevented tumor formation and caused regression. This indicated that ODC overexpression and activated Ha-ras were sufficient for malignant transformation, providing a model to study epithelial tumor development without chemical carcinogens or tumor promoters.
research Regulation of Hair Follicle Development by Exosomes Derived from Dermal Papilla Cells
Exosomes from dermal papilla cells can help grow hair and might treat hair loss.
research 2,3,7,8-Tetrachlorodibenzo-p-dioxin Increases the Expression of Genes in the Human Epidermal Differentiation Complex and Accelerates Epidermal Barrier Formation
TCDD speeds up skin barrier formation by increasing certain gene expressions.
research Intestinal Dysbiosis and Biotin Deprivation Induce Alopecia Through Overgrowth of Lactobacillus Murinus in Mice
An imbalanced gut and lack of biotin can cause hair loss in mice.
research Inducible Deletion of Epidermal Dicer and Drosha Reveals Multiple Functions for miRNAs in Postnatal Skin
Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.
research The Peripheral Clock Regulates Human Pigmentation
Certain genes control the color of human hair by affecting pigment production.
research Heavily Hunted Wolves Have Higher Stress and Reproductive Steroids Than Wolves With Lower Hunting Pressure
Heavily hunted wolves have higher stress and reproductive hormone levels.
research Sept4/ARTS Regulates Stem Cell Apoptosis and Skin Regeneration
Mice without the Sept4/ARTS gene heal wounds better due to more stem cells that don't die easily.
research Treatment of Hirsutism with a Gonadotropin-Releasing Hormone Agonist (Nafarelin)
Nafarelin may effectively treat excessive hair growth in women by reducing certain hormone levels.
research Hair Follicles’ Transit-Amplifying Cells Govern Concurrent Dermal Adipocyte Production Through Sonic Hedgehog
Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
research Liposomal Packaging Generates Wnt Protein with In Vivo Biological Activity
Wnt3a protein, when packed in liposomal vesicles, can stimulate hair growth and could potentially treat conditions like hair loss.
research Development of Heritable Melanoma in Transgenic Mice
The transgene likely activated an oncogene or interrupted a tumor suppressor gene, causing melanoma in mice.
research Human Hair Keratin-Associated Proteins
Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.
research The Effect of Plasma Rich in Growth Factors on Pattern Hair Loss: A Pilot Study
Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
research Targeted Skin Overexpression of the Mineralocorticoid Receptor in Mice Causes Epidermal Atrophy, Premature Skin Barrier Formation, Eye Abnormalities, and Alopecia
Overexpressing the mineralocorticoid receptor in mouse skin causes skin thinning, early skin barrier development, eye issues, and hair loss.
research Neuronal Plasticity of the Brain-Skin Connection: Stress-Triggered Up-Regulation of Neuropeptides in Dorsal Root Ganglia and Skin via Nerve Growth Factor-Dependent Pathways
Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.
research Changes in Hair Weight in Men with Androgenetic Alopecia After Treatment with Finasteride (1 mg Daily): Three- and Four-Year Results
Finasteride increases hair weight and count in men with hair loss, with best results after four years.
research Immune Deficiency-Related Enteropathy-Lymphocytopenia-Alopecia Syndrome Results from Tetratricopeptide Repeat Domain 7A Deficiency
A deficiency in the TTC7A gene causes immune problems, gut issues, and hair loss.
research Notch Signaling Regulates Late-Stage Epidermal Differentiation and Maintains Postnatal Hair Cycle Homeostasis
Notch signaling is essential for healthy skin and hair follicle maintenance.
research Hypogonadism as a Reversible Cause of Torsades de Pointes in Men
Low testosterone can cause a heart rhythm problem in men, but fixing it can prevent the issue.
research Role of S-Palmitoylation by ZDHHC13 in Mitochondrial Function and Metabolism in Liver
ZDHHC13 is important for normal liver function and metabolism, affecting mitochondrial activity.
research Trichodysplasia Spinulosa Associated with Chemotherapy for Acute Lymphocytic Leukemia
Two boys developed a viral skin infection during chemotherapy, which resolved with improved immune function.
research Compartmentalized Epidermal Activation of β-Catenin Differentially Affects Lineage Reprogramming and Underlies Tumor Heterogeneity
Activating β-catenin in different skin stem cells causes various types of hair growth and skin tumors.
research The Ophthalmological Complications of Targeted Agents in Cancer Therapy: What Do We Need to Know as Ophthalmologists?
Cancer treatments can cause various eye problems, so eye doctors should know how to diagnose and treat these early.
research 46,XY DSD Due to Impaired Androgen Production
Impaired androgen production in 46,XY DSDs causes ambiguous genitalia and requires long-term care.
research Modulating Hair Follicle Size with Wnt10b/DKK1 During Hair Regeneration
Wnt10b makes hair follicles bigger, but DKK1 can reverse this effect.
research Prolactin Delays Hair Regrowth in Mice
Prolactin slows down hair growth in mice.
research Post-Transcriptional Regulation of Keratinocyte Progenitor Cell Expansion, Differentiation, and Hair Follicle Regression by miR-22
miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.