research Comprehensive molecular and cellular studies suggest avian scutate scales are secondarily derived from feathers, and more distant from reptilian scales
Bird scales evolved from feathers, not reptile scales.
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30-60 / 500 results research Transcriptional Characteristics Showed That miR-144-y/FOXO3 Participates in Embryonic Skin and Feather Follicle Development in Zhedong White Goose
miR-144-y and FOXO3 play key roles in skin and feather development in Zhedong White geese.
research Molecular Evolution and Protein Structure Variation of Dkk Family
Dkk genes evolved faster in birds and reptiles, affecting hair development functions.
research Macrophages Contribute to the Cyclic Activation of Adult Hair Follicle Stem Cells
Macrophages help activate hair follicle stem cells, affecting hair growth and skin repair.
research 773 Generation of human hair follicle organoids in vitro and ex vivo by co-culture of primary human hair matrix keratinocytes and dermal papilla fibroblasts
Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.
research Congenital atrichia and hypotrichosis
The document emphasizes the importance of correctly identifying and classifying genetic hair disorders to help diagnose related health conditions.
research Establishment of a culture model for the prolonged maintenance of chicken feather follicles structure in vitro
Scientists have developed a method to keep chicken feather follicles alive and structurally intact in a lab for up to a week.
research Innate immunity and the regulation and mobilization of keratinocyte stem cells: are the old players playing a new game?
Innate immunity genes in hair follicle stem cells might have new roles beyond traditional immune functions.
research Transcriptomic analyses of regenerating adult feathers in chicken
Chicken feather growth involves specific genes and shares similarities with hair development.
research Effects of SLC45A2 and GPNMB on Melanin Deposition Based on Transcriptome Sequencing in Chicken Feather Follicles
SLC45A2 and GPNMB genes help control chicken feather color by promoting melanin.
research Characterization of a new, inducible transgenic mouse model with GFP expression in melanocytes and their precursors
A new mouse model helps study melanocyte cells using GFP expression.
research Transcription factor-based transdifferentiation of human embryonic to trophoblast stem cells
Researchers converted human embryonic stem cells into trophoblast stem cells using specific transcription factors.
research The role of hair follicles and Edar signalling in cutaneous wound healing
Activating the Eda/Edar pathway improves wound healing by enhancing hair follicle growth.
research Premature graying of hair
Premature graying of hair may suggest health issues and currently lacks effective treatments.
research Feather on the Cap of Medicine
Feathers are useful for researching growth, regeneration, and the effects of treatments like chemotherapy on hair loss.
research Steroidogenic Isoenzymes in Human Hair and Their Potential Role in Androgenetic Alopecia
Steroidogenic isoenzymes may help improve treatments for common hair loss.
research The Hair Follicle as an Estrogen Target and Source
Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
research Wnt signaling in skin organogenesis
Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.
research Rooster feathering, androgenic alopecia, and hormone-dependent tumor growth: What is in common?
Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
research Epidermal Notch1 recruits innate lymphoid cells to orchestrate normal skin repair
Notch1 helps skin heal by attracting cells that aid repair.
research Hair Care and Cosmetics
Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.
research Function and underlying mechanisms of seasonal colour moulting in mammals and birds: what keeps them changing in a warming world?
Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
research Elemental hair analysis: A review of procedures and applications
Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
research Molecular signaling in feather morphogenesis
Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.
research Stem cells in tissues, organoids, and cancers
Stem cells are crucial for tissue growth, cancer treatment, and disease modeling, but challenges remain in clinical use.
research Advances in medical polyesters for vascular tissue engineering
Polyesters show promise for repairing damaged blood vessels.
research Molecular Signaling and Nutritional Regulation in the Context of Poultry Feather Growth and Regeneration
Good feather growth in poultry needs the right balance of proteins, amino acids, minerals, and vitamins.
research Sexually dimorphic sail feathers in the Mandarin duck as a model for lifelong developmental modulation
Mandarin duck sail feathers change with seasons due to hormones and genetic regulation.
research Ectodermal Organ Stem Cells: Morphogenesis, Population Regenerative Behavior, and Evo-Devo
Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.
research Cysteine and Glutamine level in hair shaft fractures patients
Cysteine strengthens hair, and glutamine fuels hair growth.