research Effect of 5α-Dihydrotestosterone and Testosterone on Apoptosis in Human Dermal Papilla Cells
High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
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research Prolactin Delays Hair Regrowth in Mice
Prolactin slows down hair growth in mice.
research Melatonin Promotes Secondary Hair Follicle Development in Early Postnatal Cashmere Goats and Improves Cashmere Quantity and Quality by Enhancing Antioxidant Capacity and Suppressing Apoptosis
Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.
research The Phenology of Dioecious Ficus Species and Its Importance for Forest Restoration Projects
Understanding the fruiting patterns of Ficus trees can improve forest restoration by ensuring pollinators survive and biodiversity is supported.
research Leydig Cell Hyperplasia and Adenomas in Mice Treated with Finasteride, a 5α-Reductase Inhibitor: A Possible Mechanism
High doses of finasteride cause cell growth and tumors in mice.
research Teriflunomide in Patients with Relapsing-Remitting Forms of Multiple Sclerosis
Teriflunomide is effective and generally safe for treating relapsing-remitting multiple sclerosis.
research Dermatologic Investigation of Alopecia in Rhesus Macaques (Macaca Mulatta)
Most hair loss in captive rhesus macaques is likely due to environmental and behavioral factors.
research Canine Noninflammatory Alopecia: A Comprehensive Evaluation of Common and Distinguishing Histological Characteristics
Different types of dog hair loss are linked to problems starting the hair growth phase and early hair cycle ending.
research Annurca Apple Nutraceutical Formulation Enhances Keratin Expression in a Human Model of Skin and Promotes Hair Growth in a Randomized Clinical Trial
Annurca apple supplement safely increases hair growth and keratin in humans.
research Revisiting Hyper- and Hypo-Androgenism by Tandem Mass Spectrometry
The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
research Current Perspectives on the Physiological Activities of Fermented Soybean-Derived Cheonggukjang
Cheonggukjang may help prevent and manage various diseases and improve overall health, but its odor and safety concerns need addressing.
research Natural Scalp Hair Regression in Preclinical Stages of Male Androgenetic Alopecia and Its Reversal by Finasteride
Finasteride reverses early hair loss and promotes growth.
research Alopecia in Rhesus Macaques Correlates with Immunophenotypic Alterations in Dermal Inflammatory Infiltrates Consistent with Hypersensitivity Etiology
Hair loss in Rhesus macaques may be caused by a skin allergy-related condition.
research Final Report on the Safety Assessment of Hypericum Perforatum Extract and Hypericum Perforatum Oil
St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.
research Llama Dermatology
Llamas often have skin issues like mange, bacterial infections, and allergies, with some treatable by zinc.
research The Hirsute Woman: Challenges in Evaluation and Management
Most hirsutism cases are due to PCOS, and treatment focuses on lowering testosterone and blocking its effects.
research Atypical Cushing's Syndrome in Dogs: Arguments For and Against
The cause of atypical Cushing's syndrome in dogs, possibly linked to sex hormones, is not yet proven.
research Consequences of Steroid-5α-Reductase Deficiency and Inhibition in Vertebrates
Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
research Interventions for Female Pattern Hair Loss
Topical minoxidil helps treat female pattern hair loss, but more research needed for other treatments.
research Quantitative Study of the Human Hair Follicle in Normal Scalp and Androgenetic Alopecia
Alopecia causes smaller hair follicles and affects growth-related structures.
research The New Paradigm for Androgenetic Alopecia and Plant-Based Folk Remedies: 5α-Reductase Inhibition, Reversal of Secondary Microinflammation, and Improving Insulin Resistance
Plant-based remedies may treat hair loss by reducing inflammation and improving insulin resistance.
research Prevalence of Vitamin D Deficiency in Slovak Women with Polycystic Ovary Syndrome and Its Relation to Metabolic and Reproductive Abnormalities
Vitamin D deficiency is common in women with PCOS and linked to some metabolic problems, but not the main cause of their metabolic issues.
research The Role of the Adrenal Glands in Regulating Onset of Winter Fur Growth in Mink (Mustela Vison)
Adrenal glands delay the start of winter fur growth in mink.
research Feline Dermatology: Comprehensive Overview of Skin Conditions in Cats
The document explains various skin conditions in cats and how to diagnose and treat them.
research Effects of Different Dietary Protein Levels and DL-Methionine Supplementation on Hair Growth and Pelt Quality in Mink (Neovison Vison)
Higher protein diets with DL-methionine improve mink hair growth and fur quality.
research The Role of Anemia and Vitamin D Levels in Acute and Chronic Telogen Effluvium
Low iron levels are a significant risk factor for hair loss, while high vitamin D levels might be a response to hair loss, not a cause.
research Exogenous Factors in Hair Disorders
Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
research Focal and Generalized Alopecia in Cats: Causes, Diagnosis, and Treatment
The document concludes that hair loss in cats is caused by various factors, including allergies, mites, infections, and hormonal issues, with treatments varying accordingly.
research Role of 5α-Dihydrotestosterone in Testicular Development of Gilthead Seabream Following Finasteride Administration
DHT affects testicular development and regulates spermatogenesis in some fish.
research Adult-Onset Hair Loss in Chesapeake Bay Retrievers: A Clinical and Histological Study
Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.