research Expression of Hair Keratins in the Adult Nail Unit: An Immunohistochemical Analysis of Onychogenesis in the Proximal Nail Fold, Matrix, and Nail Bed
The ventral matrix is the main source of the nail plate.
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5 / 1000+ resultsresearch Comparative Anatomy of Mouse and Human Nail Units
Mouse nails are similar to human nails, making them useful for studying nail diseases.
research Tooth, Hair, and Claw: Comparing Epithelial Stem Cell Niches of Ectodermal Appendages
The conclusion is that teeth, hair, and claws have similar stem cell niches, which are important for growth and repair, and more research is needed on their regulation and potential markers.
research Cultured Nail Keratinocytes Express Hard Keratins Characteristic of Nail and Hair In Vivo
Lab-grown nail cells show characteristics similar to natural nail and hair.
research Patterns of Expression of Trichocytic and Epithelial Cytokeratins in Mammalian Tissues
Trichocytic differentiation starts in cells with epithelial cytokeratins, transitioning to trichocytic cytokeratins in hair and gradually in nails.
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3 / 3 resultscommunity A meta analysis of 18 popular hair loss treatments. An 2022 guide on efficacy. From finasteride and minoxidil to caffeine shampoo, saw palmetto and biotin. 96 Scientific References included.
Most hair loss treatments are ineffective; only finasteride, dutasteride, and minoxidil show effectiveness.
community abusing caffeine boosts DHT levels!
Caffeine intake may increase DHT levels, but its impact on hair loss is minimal compared to genetic factors. Excessive caffeine can cause health issues, and its effects on hair loss are not directly applicable to humans based on rat studies.
community Long term finasteride users; Did you notice any improvement after 2 years?
Long term Finasteride users and whether or not they have noticed improvements after two years of use, with other treatments such as Minoxidil and dermarolling also discussed. Some replies suggest that improvement is possible even beyond the two year mark while others caution against believing studies backed by the Post-Finasteride Foundation.