research Benefits of Testosterone Replacement and Methods of Substitution
Testosterone replacement therapy helps manage deficiency and has various methods, but requires careful monitoring to avoid side effects.
Search
for
Sort by
Research
60-90 / 1000+ results 
research Fibroblast Heterogeneity: Implications for Human Disease
Different types of fibroblasts play various roles in diseases and healing, and more research on them could improve treatments.
research Mutation in 5′ Upstream Region of GCHI Gene Causes Familial Dopa-Responsive Dystonia
A specific gene mutation is linked to a hereditary form of dystonia that responds well to certain medications.
research Structural Analysis of Curly and Straight Human Hair Fibers by Scanning Microbeam SAXS
Curly and straight hair differ in how their internal fibers are arranged.
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 Characterization of the Mechanical Properties of the Cortex Region of Human Hair Fibers by Multiparametric Atomic Force Microscopy Mapping
Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
research Fractography of Human Hair
Moisture content significantly affects how human hair breaks.
research Organization and Expression of Hair Follicle Genes
Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
research Characterization of Hair Lipid and Protein Dynamics Using EPR Spectroscopy and Treatment Effects
Hair treatments and dehydration affect hair's lipid and protein behavior, influencing its flexibility and appearance.
research Ultrastructural Characteristics of Neonate Scalp Hair
Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
research Ziehl-Neelsen's Stain for Skin Sections to Show Wool and Hair Follicles
Ziehl-Neelsen's stain helps identify different parts of hair in sheep and goats.
research Measuring Changes in Chemistry, Composition, and Molecular Structure Within Hair Fibers by Infrared and Raman Spectroscopic Imaging
Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
research Dyeing Regions of Oxidative Hair Dyes in Human Hair Investigated by Nanoscale Secondary Ion Mass Spectrometry
Hair dye colors mainly target melanin granules in black hair.
research Isolation and Characterization of a Novel Hair Follicle-Specific Gene, Hacl-1
Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.
research Identification of the Keratin-Associated Protein 22-2 Gene in Capra Hircus and Its Association with Cashmere Traits
A new goat gene affects cashmere fiber thickness; certain variations can make the fibers coarser.
research Characterization of Curved Hair of Japanese Women with Reference to Internal Structures and Amino Acid Composition
Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
research Characterization of Curved Hair of Japanese Women with Reference to Internal Structures and Amino Acid Composition
Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
research Advances in Hair Diseases
The review highlights the importance of stem cells in hair health and suggests new treatment strategies for hair loss conditions.
research Histochemical Observation of the Cell Membrane Complex of Hair
The Cell Membrane Complex in hair has both water-attracting and water-repelling layers.
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 A Function for Rac1 in the Terminal Differentiation and Pigmentation of Hair
Rac1 is essential for proper hair structure and color.
research Scalp Hair Repigmentation in the Penumbral Region of Radiotherapy: A Case Series
Radiotherapy can cause rare changes in hair color, which should be discussed with patients.
research STIM1 R304W in Mice Causes Subgingival Hair Growth and Increased Trabecular Bone Fraction
The STIM1 R304W mutation in mice leads to bone changes and teeth hair growth.
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 Analysis of Heterogeneous Reaction Between Reducing Agents and Keratin Fibers Using Raman Spectroscopy and Microspectrophotometry
The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
research Epilepsy and Neurodegeneration: Clues in the Hair and Blood Vessels
The document concludes that specific hair and blood vessel abnormalities in infants with seizures and developmental issues may indicate Menkes disease, which lacks a cure and is often fatal by age 3.
research Tissue Engineering of the Reproductive System
Cell transplantation faces challenges in genitourinary reconstruction, but alternative tissue sources and microencapsulation show promise.
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 Microscopical Characterization of Known Postmortem Root Bands Using Light and Scanning Electron Microscopy
The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.
research P63 Targeted Deletion Under the FOXN1 Promoter Disrupts Pre- and Post-Natal Thymus Development, Function, and Maintenance, and Induces Severe Hair Loss
Deleting the p63 gene in certain cells causes problems in thymus development and severe hair loss in mice.