Journal
NANO LETTERS
Volume 10, Issue 1, Pages 143-148Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl903043z
Keywords
Nanotubes; endothelial cells; vascular smooth muscle cells; microarray
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Funding
- Sandler Asthma Basic Research (SABRE) Center Functional Genomics Core Facility
- NIH/NCRR UCSF-CTSI [UL1 RR024131]
- National Science Foundation (NSEC)
- NATIONAL CENTER FOR RESEARCH RESOURCES [UL1RR024131] Funding Source: NIH RePORTER
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The response of primary human endothelial (ECs) and vascular smooth muscle cells (VSMCs) to TiO2 nanotube arrays is studied through gene expression analysis. Microarrays revealed that nanotubes enhanced EC proliferation and motility, decreased VSMC proliferation, and decreased expression of molecules involved in inflammation and coagulation in both cell types. Networks generated front significantly affected genes suggest that cells may be sensing nanotopographical cues via pathways previously implicated in sensing shear stress.
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