ArticleThe Journal of investigative dermatology2014
Trichohyalin-like proteins have evolutionarily conserved roles in the morphogenesis of skin appendages.
Article in The Journal of investigative dermatology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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Who cites it
45 citing papers in PubMed, 75 citations in OpenAlex.
- S100 signaling in hair follicle biology: emerging mechanistic insights and therapeutic opportunities.Journal of molecular histology · 2026Review
- Immunohistochemical study of α-keratin, loricrin, filaggrin-like protein, and transglutaminase-1 expression in orthokeratinized and parakeratinized epithelium of the tongue of domestic goose (Anser anser f. domestica) during embryonic development.Histochemistry and cell biology · 2026Article
- Hoxc13 and homologs of mammalian hair keratins are required for the cornification of nuptial pads in Xenopus frogs.Communications biology · 2026Article
- The Epithelial Egg Tooth of the Chicken Shares Protein Markers with the Embryonic Subperiderm and Feathers.Journal of developmental biology · 2025Article
- Comparative Transcriptomics Reveals a Dual Role of the Epidermal Differentiation Complex in the Skin and the Oesophagus.Experimental dermatology · 2025Article
- A Comprehensive Review of GWASs of Human Hair Traits.The Journal of investigative dermatology · 2025Review
- Skin Appendage Proteins of Tetrapods: Building Blocks of Claws, Feathers, Hair and Other Cornified Epithelial Structures.Animals : an open access journal from MDPI · 2025Review
- Convergent Evolution Has Led to the Loss of Claw Proteins in Snakes and Worm Lizards.Genome biology and evolution · 2025Article
- Article
- Interactions between avian viruses and skin in farm birds.Veterinary research · 2024Review
- Comparative genomics of sirenians reveals evolution of filaggrin and caspase-14 upon adaptation of the epidermis to aquatic life.Scientific reports · 2024Article
- Comparative genomics of monotremes provides insights into the early evolution of mammalian epidermal differentiation genes.Scientific reports · 2024Article
- Development-Associated Genes of the Epidermal Differentiation Complex (EDC).Journal of developmental biology · 2024Review
- Article
- The Story of the Finest Armor: Developmental Aspects of Reptile Skin.Journal of developmental biology · 2023Review
- Transglutaminase Activity Is Conserved in Stratified Epithelia and Skin Appendages of Mammals and Birds.International journal of molecular sciences · 2023Article
- Evolutionary diversification of epidermal barrier genes in amphibians.Scientific reports · 2022Article
- The distinct morphological phenotypes of Southeast Asian aborigines are shaped by novel mechanisms for adaptation to tropical rainforests.National science review · 2022Article
- Single-cell transcriptomics defines keratinocyte differentiation in avian scutate scales.Scientific reports · 2022Article
- Clinical Treatment Study of Secondary Multiple Squamous Cell Carcinoma with Psoriasis Vulgaris.Journal of oncology · 2022Article
Corrections and comments
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Authors and funding
9 authors at 3 institutions in 2 countries.
Funding
Abstract
S100 fused-type proteins (SFTPs) such as filaggrin, trichohyalin, and cornulin are differentially expressed in cornifying keratinocytes of the epidermis and various skin appendages. To determine evolutionarily conserved, and thus presumably important, features of SFTPs, we characterized nonmammalian SFTPs and compared their amino acid sequences and expression patterns with those of mammalian SFTPs. We identified an ortholog of cornulin and a previously unknown SFTP, termed scaffoldin, in reptiles and birds, whereas filaggrin was confined to mammals. In contrast to mammalian SFTPs, both cornulin and scaffoldin of the chicken are expressed in the embryonic periderm. However, scaffoldin resembles mammalian trichohyalin with regard to its expression in the filiform papillae of the tongue and in the epithelium underneath the forming tips of the claws. Furthermore, scaffoldin is expressed in the epithelial sheath around growing feathers, reminiscent of trichohyalin expression in the inner root sheath of hair. The results of this study show that SFTP-positive epithelia function as scaffolds for the growth of diverse skin appendages such as claws, nails, hair, and feathers, indicating a common evolutionary origin.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.