Keratinocyte Fibroblast Coculture
Keratinocyte Fibroblast Coculture - Related Videos
07:26
Generation of Organotypic Raft Cultures from Primary Human Keratinocytes
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Cited by 47 •
2012
An in vitro method to mimic in vivo epithelial differentiation is described. Many viruses target epithelial cells as part of their viral life cycle, and this method provides a means of examining virus:host interactions that more closely resembles that which occurs in vivo. This technique can be used with primary keratinocytes, established cell lines, as well as normal or diseased biopsy tissue.
05:36
Human Skin Keratinocyte Isolation: A Method to Culture Primary Keratinocytes from Skin Samples
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2023
This video describes the isolation of keratinocytes—the most prominent cells of human skin's epidermal layer, by employing a combination of enzymatic digestion and mechanical disruption methods. This method helps in the preferential growth of keratinocytes over other skin cell types using a selective growth medium.
04:07
Genetic Modification of Primary Human Keratinocytes: A Method for Genetically Manipulating Keratinocytes Using Recombinant Retroviruses
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2023
This video describes a detailed protocol for producing genetically modified primary human keratinocytes recombinant retrovirus. This method can be used to manipulate gene expression in keratinocytes.
06:44
Keratinocyte Colony Formation Assay: An In Vitro Assay to Assess the Ability of Keratinocytes to Grow into Colonies
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2023
In this video, we perform a clonogenic assay of keratinocytes harvested from adult mice to determine the ability of individual cells to proliferate and form colonies. This keratinocyte harvesting technique is useful for studying other downstream aspects of cutaneous chemical carcinogenesis and tumor promotion.
07:05
Area-based Image Analysis Algorithm for Quantification of Macrophage-fibroblast Cocultures
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2022
We present a method, which utilizes a generalizable area-based image analysis approach to identify cell counts. Analysis of different cell populations exploited the significant cell height and structure differences between distinct cell types within an adaptive algorithm.
FAQs
Fibroblasts affect keratinocytes through paracrine signaling, meaning that soluble signals released by one cell type act on nearby cells without direct contact. They also secrete extracellular matrix components and growth factors that can modify keratinocyte behavior. These combined influences help investigators examine epidermal differentiation and barrier formation in a cellular environment that better reflects interactions within skin tissue.
The interaction is bidirectional rather than solely fibroblast-driven. Keratinocytes can send signals that alter fibroblast activity, while fibroblast-derived factors influence epidermal cells. Studying this reciprocal communication helps reveal how epidermal and dermal compartments coordinate processes such as wound repair, inflammation, and tissue remodeling, which may be missed when either cell type is examined in isolation.
Fibroblast secretion of extracellular matrix components provides an important noncellular influence on keratinocyte responses. The matrix can be considered alongside soluble growth factors and paracrine signals when interpreting changes in epidermal behavior. This combination makes the model useful for investigating how cellular communication and tissue structure together contribute to skin repair, differentiation, and remodeling.
Researchers can use the model to examine epidermal differentiation, skin barrier formation, wound repair, inflammation, and tissue remodeling. Each application focuses on how keratinocyte-fibroblast communication shapes a skin-related outcome under controlled in vitro conditions. The system therefore supports studies that connect cellular signaling with broader biological processes rather than measuring either cell type independently.
A single-cell-type culture cannot reproduce reciprocal communication between epidermal and dermal cells. Coculture adds paracrine signaling, extracellular matrix contributions, growth-factor release, and feedback from keratinocytes to fibroblasts. As a result, it provides a more physiologically relevant setting for evaluating skin biology and related interventions than either isolated keratinocyte or fibroblast cultures alone.
The model supports development of engineered skin by providing a controlled setting in which epidermal and dermal cell interactions can be studied together. It can also help evaluate biomaterials and test topical drugs or cosmetic ingredients. These uses allow investigators to assess how candidate materials or treatments affect skin-associated cellular behavior in a system with greater biological relevance than a single cell type.