Journal
BIOACTIVE MATERIALS
Volume 18, Issue -, Pages 178-198Publisher
KEAI PUBLISHING LTD
DOI: 10.1016/j.bioactmat.2022.03.019
Keywords
Percutaneous device; Percutaneous implant; Hemidesmosome; Junctional epithelium; Bioinspired surfaces
Funding
- NIH/NIDCR [R01DE026117, F30DE029105, T90DE0227232]
- Peer Reviewed Orthopaedic Research Program (PRORP) [W81XWH-20-1-0563]
- 3M Science and Technology Fellowship
- Fundacio Bosch Aymerich through a FBA-BIST-UIC fellowship
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The article explores etiological factors contributing to percutaneous device infection and the mechanisms by which natural percutaneous organs, such as teeth, prevent infection. It highlights the role of hemidesmosomes and their five main components in preventing percutaneous device infection. The authors propose bioengineering strategies to solve the percutaneous device dilemma and promote interdisciplinary collaboration.
The percutaneous device dilemma describes etiological factors, centered around the disrupted epithelial tissue surrounding non-remodelable devices, that contribute to rampant percutaneous device infection. Natural percutaneous organs, in particular their extracellular matrix mediating the device/epithelium interface, serve as exquisite examples to inspire longer lasting long-term percutaneous device design. For example, the tooth's imperviousness to infection is mediated by the epithelium directly surrounding it, the junctional epithelium (JE). The hallmark feature of JE is formation of hemidesmosomes, cell/matrix adhesive structures that attach surrounding oral gingiva to the tooth's enamel through a basement membrane. Here, the authors survey the multifaceted functions of the JE, emphasizing the role of the matrix, with a particular focus on hemidesmosomes and their five main components. The authors highlight the known (and unknown) effects dental implant - as a model percutaneous device - placement has on JE regeneration and synthesize this information for application to other percutaneous devices. The authors conclude with a summary of bioengineering strategies aimed at solving the percutaneous device dilemma and invigorating greater collaboration between clinicians, bioengineers, and matrix biologists.
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