ArticleACS biomaterials science & engineering2021
Cell-Instructive Surface Gradients of Photoresponsive Amyloid-like Fibrils.
Article in ACS biomaterials science & engineering, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- Evaluation of ToF-SIMS imaging for semi-quantitative mapping of BODIPY-labeled fibronectin surface gradients.The Analyst · 2026Article
- Photoswitchable Peptides as Molecular Tools to Encode Structural Order and Disorder in Intracellular Assemblies.Angewandte Chemie (International ed. in English) · 2026Article
- Peptide Amphiphiles as Biodegradable Adjuvants for Efficient Retroviral Gene Delivery.Advanced healthcare materials · 2024Article
- Mass Spectrometry Imaging of Biomaterials.Materials (Basel, Switzerland) · 2023Review
- Data-mining unveils structure-property-activity correlation of viral infectivity enhancing self-assembling peptides.Nature communications · 2023Article
- Soft nano and microstructures for the photomodulation of cellular signaling and behavior.Advanced drug delivery reviews · 2022Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gradients of bioactive molecules play a crucial role in various biological processes like vascularization, tissue regeneration, or cell migration. To study these complex biological systems, it is necessary to control the concentration of bioactive molecules on their substrates. Here, we created a photochemical strategy to generate gradients using amyloid-like fibrils as scaffolds functionalized with a model epitope, that is, the integrin-binding peptide RGD, to modulate cell adhesion. The self-assembling β-sheet forming peptide (CKFKFQF) was connected to the RGD epitope via a photosensitive nitrobenzyl linker and assembled into photoresponsive nanofibrils. The fibrils were spray-coated on glass substrates and macroscopic gradients were generated by UV-light over a centimeter-scale. We confirmed the gradient formation using matrix-assisted laser desorption ionization mass spectroscopy imaging (MALDI-MSI), which directly visualizes the molecular species on the surface. The RGD gradient was used to instruct cells. In consequence, A549 adapted their adhesion properties in dependence of the RGD-epitope density.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.