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Articles 1 - 2 of 2
Full-Text Articles in Medical Biotechnology
Reduced Acute Inflammatory Responses To Microgel Conformal Coatings, Amanda W. Bridges, Neetu Singh, Kellie L. Burns, Julia E. Babensee, L. Andrew Lyon, Andrés J. García
Reduced Acute Inflammatory Responses To Microgel Conformal Coatings, Amanda W. Bridges, Neetu Singh, Kellie L. Burns, Julia E. Babensee, L. Andrew Lyon, Andrés J. García
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Implantation of synthetic materials into the body elicits inflammatory host responses that limit medical device integration and biological performance. This inflammatory cascade involves protein adsorption, leukocyte recruitment and activation, cytokine release, and fibrous encapsulation of the implant. We present a coating strategy based on thin films of poly(N-isopropylacrylamide) hydrogel microparticles (i.e. microgels) cross-linked with poly(ethylene glycol) diacrylate. These particles were grafted onto a clinically relevant polymeric material to generate conformal coatings that significantly reduced in vitro fibrinogen adsorption and primary human monocyte/macrophage adhesion and spreading. These microgel coatings also reduced leukocyte adhesion and expression of pro-inflammatory cytokines (TNF-alpha, IL-1 beta, …
A Construct With Fluorescent Indicators For Conditional Expression Of Mirna., Linghua Qiu, Hongyan Wang, Xugang Xia, Hongxia Zhou, Zuoshang Xu
A Construct With Fluorescent Indicators For Conditional Expression Of Mirna., Linghua Qiu, Hongyan Wang, Xugang Xia, Hongxia Zhou, Zuoshang Xu
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
BACKGROUND: Transgenic RNAi holds promise as a simple, low-cost, and fast method for reverse genetics in mammals. It may be particularly useful for producing animal models for hypomorphic gene function. Inducible RNAi that permits spatially and temporally controllable gene silencing in vivo will enhance the power of transgenic RNAi approach. Furthermore, because microRNA (miRNA) targeting specific genes can be expressed simultaneously with protein coding genes, incorporation of fluorescent marker proteins can simplify the screening and analysis of transgenic RNAi animals. RESULTS: We sought to optimally express a miRNA simultaneously with a fluorescent marker. We compared two construct designs. One expressed …