research Increased Copy Number of the TERT and TERC Telomerase Subunit Genes in Cancer Cells
Cancer cells often have more copies of TERT and TERC genes, which helps them grow and could affect patient outcomes.
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research Role of Cholesterol Sulfate in Epidermal Structure and Function: Lessons from X-Linked Ichthyosis
Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.
research Recent Advances in the Molecular Mechanisms Determining Tissue Sensitivity to Glucocorticoids: Novel Mutations, Circadian Rhythm, and Ligand-Induced Repression of the Human Glucocorticoid Receptor
New findings explain how genetic changes, body clocks, and certain molecules affect tissue response to stress hormones.
research A Novel In Vivo Model for Evaluating Agents that Protect Against Ultraviolet A-induced Photoaging
The study developed a novel in vivo model using transgenic mice to evaluate agents that protect against UVA-induced photoaging. This model used a human elastin promoter linked to a CAT reporter gene to measure elastin gene induction. It showed that PUVA treatment significantly increased promoter activation, which was reduced by sunscreens, particularly those with SPF 15 and UVA filters. The combination sunscreen provided the greatest protection, reducing CAT activity to near baseline levels. This model proved effective for rapidly identifying and comparing compounds that protect against UVA-induced photoaging, despite differences between murine and human skin responses.
research Cause of Androgenic Alopecia
Male pattern baldness may be caused by scalp pressure on hair follicles, which increases with age and leads to a cycle of hair loss. This process is not directly determined by genes.
research Antioxidant Capacity and Protective Effect of Cow Placenta Extract on D-Galactose-Induced Skin Aging in Mice
Cow placenta extract has strong antioxidant effects and can delay skin aging in mice.
research Stabilization of Epithelial Beta-Catenin Compromises Mammary Cell Fate Acquisition and Branching Morphogenesis
Keeping β-catenin levels high in mammary cells disrupts their development and branching.
research Ganoderma Lucidum Extract Attenuates Corticotropin-Releasing Factor-Induced Cellular Senescence in Human Hair Follicular Cells
Ganoderma lucidum extract can potentially reduce stress-induced hair loss by slowing down premature hair aging and removing harmful substances.
research MEK and BRAF Inhibitors Augment the Production and Accumulation of Sebum in Hamster Sebocytes
MEK and BRAF inhibitors increase sebum production and accumulation, which could cause acne-like side effects.
research Highlights from the 68th Annual Meeting of the Society of Investigative Dermatology
The meeting discussed vitamin D3's role in fighting tuberculosis, potential treatments for skin conditions like psoriasis, and hair follicle regeneration as a possible solution for hair loss.
research Melanogenesis Is Coupled to Murine Anagen: Toward New Concepts for the Role of Melanocytes and the Regulation of Melanogenesis in Hair Growth
Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
research Sex Differences in the Hypothalamic–Pituitary–Adrenal Axis’ Response to Stress: An Important Role for Gonadal Hormones
Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.
research Wnt Signaling and Aging-Related Heart Disorders
Wnt signaling may be linked to heart diseases in aging and could be a target for future treatments.
research MiR-218-5p Regulates Skin and Hair Follicle Development Through Wnt/β-Catenin Signaling Pathway by Targeting SFRP2
miR-218-5p helps skin and hair growth by targeting SFRP2 and activating a specific signaling pathway.
research Molecular Genetic and Endocrine Mechanisms of Hair Growth
Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
research Wnt Signaling: The Good and the Bad
Wnt signaling is important for development and cell regulation but can cause diseases like cancer when not working properly.
research Glutamate Transporter SLC1A3 Mediates Inter-Niche Stem Cell Activation During Skin Growth
The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.
research Two-Ligand Priming Mechanism for Potentiated Phosphoinositide Synthesis Is an Evolutionarily Conserved Feature of Sec14-Like Phosphatidylinositol and Phosphatidylcholine Exchange Proteins
A protein in plants needs to bind two lipids to help with root hair growth, and this process is similar across different plant species.
research Riboflavin-Responsive Glutaryl CoA Dehydrogenase Deficiency
Taking riboflavin and eating less lysine can help some people with a specific genetic disorder avoid brain damage.
research Generation of Trichogenic Adipose-Derived Stem Cells by Expression of Three Factors
Scientists made stem cells that can grow hair by adding three specific factors to them.
research Molecular, immunological, enzymatic and biochemical studies of coproporphyrinogen oxidase deficiency in a family with hereditary coproporphyria.
The study focused on a 27-year-old woman with hereditary coproporphyria, characterized by recurrent renal pain, dark urine, and hair loss, but no photosensitivity. Elevated urinary porphyrin metabolites and fecal studies confirmed the diagnosis, with decreased coproporphyrinogen oxidase activity at 35% of normal levels. Her mother and sisters were identified as heterozygous carriers of the condition, showing reduced enzyme activity up to 50%. A novel mutation was discovered in the coproporphyrinogen oxidase gene, involving a cytosine to thymine transversion at nucleotide position 854. Immunological studies indicated decreased enzyme protein concentrations in the patient and her family members.
research Nuclear Factor (Erythroid-Derived 2)-Like-2 Pathway Modulates Substance P–Induced Human Mast Cell Activation and Degranulation in the Hair Follicle
Activating the Nrf2 pathway reduces inflammation and cell activation in human hair follicles, suggesting a potential treatment for certain hair loss conditions.
research Comprehensive Overview of Rheumatology Studies: Ottawa, Ontario, Canada, February 13–16, 2013
The document concludes that various findings in rheumatology offer insights into disease severity, treatment responses, and potential risks in medication, with some limitations due to unspecified participant numbers.
research Analysis Of The Function Of ADAM17 In IRhom2 Curly-Bare And Tylosis With Esophageal Cancer Mutant Mice
Mutations in iRhom2 affect hair and skin in mice and are linked to esophageal cancer, with ADAM17 playing a crucial role.
research MiR-27a Targeting PIK3R3 Regulates the Proliferation and Apoptosis of Sheep Hair Follicle Stem Cells
Blocking miR-27a increases sheep hair follicle stem cell growth and decreases cell death, which could help improve wool quality and treat hair loss.
research Repurposing a Clinical Antimalarial for the Therapeutic Induction of Lethal ER Stress Targeting BRAF-Kinase Inhibitor-Resistant Malignant Melanoma
Mefloquine, an antimalarial drug, is effective in killing melanoma cells resistant to other treatments by causing lethal stress in the cells.
research Regeneration of Dermis: Scarring and Cells Involved
Different fibroblasts play key roles in skin healing and scarring.
research Characterization of the Serotoninergic System in the C57BL/6 Mouse Skin
Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
research Clinical, Biochemical, and Mutational Findings in Biotinidase Deficiency Among Malaysian Population
Some children in Malaysia with symptoms have either profound or partial biotinidase deficiency, and early testing and treatment are important.
research Cell Fate Decisions: Emerging Roles for Metabolic Signals and Cell Morphology
Metabolic signals and cell shape influence how cells develop and change.