research Conversion of the Nipple to Hair-Bearing Epithelia by Lowering Bone Morphogenetic Protein Pathway Activity at the Dermal-Epidermal Interface
Blocking a specific protein signal can make hair grow on mouse nipples.
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30 / 1000+ results research Conversion of C57Bl/6 Mice from a Tumor Promotion-Resistant to a Sensitive Phenotype by Enhanced Ornithine Decarboxylase Expression
A transgenic mouse model was developed to overexpress ornithine decarboxylase (ODC) specifically in hair follicle keratinocytes using a regulated system. In the absence of doxycycline, these mice showed high levels of epidermal ODC activity and hyperplasia when exposed to the tumor promoter TPA, particularly affecting hair follicles. This effect was reversed by adding doxycycline, which repressed transgene expression. The study found that increased ODC expression made the typically tumor promotion-resistant C57Bl/6 mice more sensitive to TPA's effects, as evidenced by a reduction in papilloma development when ODC expression was repressed.
research Conversion of C57Bl/6 Mice from a Tumor Promotion-Resistant to a Sensitive Phenotype by Enhanced Ornithine Decarboxylase Expression
The study developed a transgenic mouse model to investigate the role of ornithine decarboxylase (ODC) in tumor promotion. By using a tetracycline-regulated system, researchers were able to overexpress ODC specifically in hair follicle keratinocytes of C57Bl/6 mice. In the absence of doxycycline, these mice showed high levels of epidermal ODC activity and hyperplasia when exposed to the tumor promoter TPA, particularly affecting hair follicles. This increased ODC expression made the typically tumor-resistant C57Bl/6 mice more sensitive to tumor-promoting effects. However, when doxycycline was used to repress ODC expression, the number of papillomas was significantly reduced, demonstrating the critical role of ODC in tumor promotion.
research Dermal Adipocyte Lipolysis and Myofibroblast Conversion Are Required for Efficient Skin Repair
Fat cells in the skin help start healing and form important repair cells after injury.
research Coarse to Fine Hair Conversion Induced by Zinc in C57/6J Mice
Zinc made mice's coarse hair turn into fine hair without affecting skin structure.
research 6581 Case of Conversion from Hashimoto's Thyroiditis to Graves' Disease: An Unusual Sequence
Hashimoto's thyroiditis can sometimes change to Graves' disease, so patients need careful monitoring.
research Study of QuantiFERON’s Conversion/Reversal Phenomena in Patients with Psoriasis During Biological Treatment
Young men taking finasteride for hair loss have a higher risk of sexual dysfunction.
research Defining the Transcriptional Signature of Esophageal-to-Skin Lineage Conversion
Adult esophageal cells can start to become like skin cells, with a key pathway influencing this change.
research Mediator 1 Ablation Induces Enamel-to-Hair Lineage Conversion in Mice Through Enhancer Dynamics
Removing Mediator 1 from certain mouse cells causes teeth to grow hair instead of enamel.
research Immune Response Involving the Bulge Region in Addition to Telogen Conversion Contributes to Hair Loss in a Case of Atypical Drug-Induced Hypersensitivity Syndrome
Hair loss in a drug reaction case involved both a common shedding phase and an immune attack on hair follicle stem cells.
research Mediator 1 Ablation Induces Enamel-to-Hair Lineage Conversion Through Enhancer Dynamics
Removing Mediator 1 causes teeth cells to turn into hair cells.
research Extracellular Vesicles Derived from MSCs Activate Dermal Papilla Cells In Vitro and Promote Hair Follicle Conversion from Telogen to Anagen in Mice
Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
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 Histopathological Insights Into Hair Loss in Cronkhite-Canada Syndrome: Diffuse Anagen-Telogen Conversion Precedes Clinical Hair Loss Progression
Hair loss in Cronkhite-Canada syndrome is reversible by treating the gut issues and doesn't need steroid treatment for the hair itself.
research Hair Regrowth in Male and Female Pattern Hair Loss Does Not Involve the Conversion of Vellus Hair to Terminal Hair
Hair regrowth doesn't convert thin hairs to thick hairs, but increases overall hair density.
research Is The Metabolism Of Testosterone To 5α-Dihydrotestosterone Required For Androgen Action In The Skin?
Testosterone conversion to 5α-DHT may not be essential for its effects on the skin.
research Effects of the Anti-Androgen Finasteride on 5α-Reduction of Androgens in the Presence of Progesterone in Human Gingival Fibroblasts: Modulatory Actions of the Alkaline Phosphatase Inhibitor Levamisole
Finasteride reduces testosterone conversion, progesterone lessens this, and levamisole enhances finasteride's effect.
research MicroRNA-302 Increases Reprogramming Efficiency via Repression of NR2F2
MicroRNA-302 helps improve the conversion of body cells into stem cells by blocking NR2F2.
research Inhibition of 5α-Reductase Activity in SZ95 Sebocytes and HaCaT Keratinocytes In Vitro
The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
research Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men with Suppressed Testosterone Production: A Randomized Controlled Trial
Testosterone increases muscle mass regardless of DHT conversion blocking.
research Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production
Testosterone's muscle-building effects do not require its conversion to DHT.
research New Progesterone Esters as 5α-Reductase Inhibitors
Some new progesterone derivatives are better at blocking testosterone conversion than a common drug.
research Determination of Rat 5α-Reductase Type 1 Isozyme Activity and Its Inhibition by Novel Steroidal Oxazolines
New steroidal compounds moderately block an enzyme related to testosterone conversion, less effectively than finasteride.
research Cloning, Computational Analysis and Expression Profiling of Steroid 5 Alpha-Reductase 1 (SRD5A1) Gene During Reproductive Phases and Ovatide Stimulation in Endangered Catfish, Clarias Magur
The research identified and described a gene important for hormone conversion in endangered catfish, which varies in activity during different reproductive stages and after hormone treatment.
research LY191704: A Selective, Nonsteroidal Inhibitor of Human Steroid 5 Alpha-Reductase Type 1
LY191704 is a compound that effectively blocks a specific enzyme involved in hormone conversion and could help treat enlarged prostate and hair loss.
research Finasteride Inhibits 5α-Reductase Activity in Human Dermal Fibroblasts: Prediction of Its Therapeutic Application in Androgen-Related Skin Diseases
Finasteride helps treat skin issues like acne and baldness by blocking testosterone conversion.
research 5 Alpha-Reductase Inhibitors
5 Alpha-Reductase Inhibitors reduce the effects of testosterone by blocking its conversion into a stronger form.
research Finasteride as a Neo-Adjuvant Treatment for TURP: Literature Review
Finasteride, a drug that prevents testosterone conversion, can effectively reduce blood loss in prostate surgery, especially for patients with a prostatic volume over 30 cc, and decrease post-surgery complications.
research This Week in JAMA: March 7, 2012 Issue Highlights
Early surgery reduces seizure risk in drug-resistant epilepsy; testosterone to DHT conversion doesn't affect muscle anabolism; veterans with PTSD likely to have riskier opioid use; bevacizumab helps in hereditary bleeding disorder.
research Anti-Androgenic Activities of Ganoderma Lucidum
Ganoderma lucidum, a type of mushroom, may help treat enlarged prostate by blocking testosterone conversion.