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Skin and Cellular Biology Research
Research Guide
What is Skin and Cellular Biology Research?
Skin and Cellular Biology Research is a field that investigates the biology, pathology, and molecular mechanisms of keratins, intermediate filaments, and related disorders such as epidermolysis bullosa, Netherton syndrome, and ichthyoses, including keratin expression in human tissues, mutations in serine protease inhibitor genes, vimentin in cell adhesion and migration, and keratin functions in epithelia.
This field encompasses 56,644 works on keratins, intermediate filaments, and skin disorders. Studies detail keratin expression patterns in normal epithelia, tumors, and cultured cells, as cataloged by Moll et al. (1982). Research also examines cell motility driven by actin filament assembly and disassembly (Pollard and Borisy, 2003).
Topic Hierarchy
Research Sub-Topics
Keratin Gene Mutations in Skin Disorders
This sub-topic investigates mutations in keratin genes (KRT1-KRT17) causing epidermolysis bullosa simplex, pachyonychia congenita, and ichthyoses, analyzing genotype-phenotype correlations. Researchers study protein misfolding, filament destabilization, and therapeutic gene editing strategies.
Vimentin Dynamics in Cell Migration
This sub-topic examines vimentin intermediate filaments' role in mesenchymal motility, mechanotransduction, and epithelial-mesenchymal transition during wound healing and cancer metastasis. Researchers use live-cell imaging and cryo-EM to study filament assembly and force generation.
Serine Protease Inhibitors in Netherton Syndrome
This sub-topic focuses on SPINK5 mutations and LEKTI deficiency disrupting skin barrier homeostasis in Netherton syndrome, studying kallikrein protease dysregulation. Researchers develop topical recombinant LEKTI and small-molecule inhibitors for inflammation control.
Cornified Envelope Formation Mechanisms
This sub-topic covers transglutaminase crosslinking, loricrin processing, and filaggrin degradation during epidermal differentiation and barrier formation. Researchers analyze proteomics of lamellar bodies and genetic models of barrier defects.
Desmin in Muscle Cell Cytoskeleton
This sub-topic explores desmin intermediate filaments linking Z-disks, costameres, and nuclei in striated muscle, studying mutations in myopathies. Researchers use super-resolution microscopy and mouse models to investigate sarcomere integrity.
Why It Matters
Skin and Cellular Biology Research informs understanding of skin disorders like epidermolysis bullosa and Netherton syndrome through analysis of keratin mutations and intermediate filament functions. "The catalog of human cytokeratins: Patterns of expression in normal epithelia, tumors and cultured cells" by Moll et al. (1982) identifies expression patterns that distinguish normal tissues from tumors, aiding diagnostic pathology with 5290 citations. "Normal keratinization in a spontaneously immortalized aneuploid human keratinocyte cell line" by Boukamp et al. (1988) provides a model for studying human epidermal differentiation without SV40-induced alterations, enabling research on keratinocyte transformation and skin pathology with 4096 citations. These contributions support development of therapies targeting filament-associated diseases and improve models for epithelial cancer studies.
Reading Guide
Where to Start
"The catalog of human cytokeratins: Patterns of expression in normal epithelia, tumors and cultured cells" by Moll et al. (1982), as it provides the foundational classification of keratin expression essential for understanding skin epithelial biology.
Key Papers Explained
Moll et al. (1982) establishes keratin cataloging, which Boukamp et al. (1988) builds upon by developing a human keratinocyte line exhibiting normal keratinization patterns. Pollard and Borisy (2003) extend this to motility mechanisms involving actin, complementary to Ridley and Hall (1992) on Rho-regulated focal adhesions and Burridge et al. (1988) on focal adhesion-cytoskeleton links. Gumbiner (1996) integrates these via adhesion molecules governing tissue morphogenesis.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current frontiers focus on intermediate filament roles in skin disorders like epidermolysis bullosa, based on the cluster's emphasis on keratins and mutations, though no recent preprints are available.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | The catalog of human cytokeratins: Patterns of expression in n... | 1982 | Cell | 5.3K | ✕ |
| 2 | Inhibition of glycogen synthase kinase-3 by insulin mediated b... | 1995 | Nature | 5.2K | ✕ |
| 3 | The small GTP-binding protein rho regulates the assembly of fo... | 1992 | Cell | 4.5K | ✕ |
| 4 | Cellular Motility Driven by Assembly and Disassembly of Actin ... | 2003 | Cell | 4.2K | ✓ |
| 5 | Normal keratinization in a spontaneously immortalized aneuploi... | 1988 | The Journal of Cell Bi... | 4.1K | ✓ |
| 6 | Cell Adhesion: The Molecular Basis of Tissue Architecture and ... | 1996 | Cell | 3.5K | ✓ |
| 7 | Cell mechanics and the cytoskeleton | 2010 | Nature | 2.9K | ✓ |
| 8 | Functions of Cell Surface Heparan Sulfate Proteoglycans | 1999 | Annual Review of Bioch... | 2.7K | ✕ |
| 9 | Label-retaining cells reside in the bulge area of pilosebaceou... | 1990 | Cell | 2.3K | ✕ |
| 10 | Focal Adhesions: Transmembrane Junctions Between the Extracell... | 1988 | Annual Review of Cell ... | 2.1K | ✓ |
Frequently Asked Questions
What are the expression patterns of human cytokeratins?
Moll et al. (1982) cataloged cytokeratin patterns in normal epithelia, tumors, and cultured cells. Distinct pairs of cytokeratins characterize epithelia and their neoplasms. This classification aids identification of epithelial differentiation states.
How do keratins function in human keratinocytes?
Boukamp et al. (1988) established a spontaneously immortalized human keratinocyte cell line that shows normal keratinization. Unlike SV40-transformed lines, it maintains differentiation capacity despite aneuploidy. This model supports studies of epidermal biology.
What role do intermediate filaments play in cell adhesion?
"Focal Adhesions: Transmembrane Junctions Between the Extracellular Matrix and the Cytoskeleton" by Burridge et al. (1988) describes focal adhesions linking the cytoskeleton to the extracellular matrix. These structures involve actin stress fibers and integrins. They mediate cell-substrate attachment in cultured cells.
Where are label-retaining cells located in skin?
Cotsarelis et al. (1990) identified label-retaining cells in the bulge area of the pilosebaceous unit. These cells represent follicular stem cells implicated in hair cycle regulation. Their location suggests roles in skin carcinogenesis.
What drives cellular motility in this field?
Pollard and Borisy (2003) explained cellular motility through assembly and disassembly of actin filaments. This process powers protrusion at the leading edge and retraction at the trailing edge. It underlies migration in epithelial and other cells.
What is the molecular basis of cell adhesion?
Gumbiner (1996) outlined cell adhesion molecules forming tissue architecture and morphogenesis. Cadherins and integrins mediate homotypic and heterotypic interactions. These junctions integrate signaling and cytoskeletal dynamics.
Open Research Questions
- ? How do specific keratin mutations contribute to the pathogenesis of epidermolysis bullosa and ichthyoses?
- ? What are the precise roles of vimentin and desmin in regulating cell migration during skin repair?
- ? How do serine protease inhibitor gene mutations lead to Netherton syndrome phenotypes?
- ? What mechanisms control cornified envelope formation in keratinocyte differentiation?
- ? How do intermediate filament dynamics influence neurofilament functions in sensory epithelia?
Recent Trends
The field maintains 56,644 works with no specified 5-year growth rate.
Highly cited papers from 1982-2010, such as Moll et al. with 5290 citations and Cross et al. (1995) with 5202 citations, indicate sustained influence of foundational studies on keratins and cell signaling.
1982No recent preprints or news coverage signal shifts in the past 12 months.
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