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Francesco Stellacci

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Publications associées (214)

Modulating Weak Protein-Protein Cross-Interactions by the Addition of Free Amino Acids at Millimolar Concentrations

Francesco Stellacci, Cécilia Laetitia Carla Siri, Pamina Winkler

In this paper, we quantify weak protein-protein interactions in solution using cross-interaction chromatography (CIC) and surface plasmon resonance (SPR) and demonstrate that they can be modulated by the addition of millimolar concentrations of free amino ...

2024

Amino Acids and Their Biological Derivatives Modulate Protein-Protein Interactions in an Additive Way

Francesco Stellacci, Xufeng Xu

Protein-protein interactions (PPIs) differ when measured in test tubes and cells due to the complexity of the intracellular environment. Free amino acids (AAs) and their derivatives constitute a significant fraction of the intracellular volume and mass. Re ...

2024

Two-component paint, antimicrobial surface and preparation method thereof

Francesco Stellacci

Herein described is a two-component paint comprising a first component containing a first solvent and polymer particles comprising particle functional groups that are negatively or positively charged and a second component containing a second solvent and a ...

2024

Inhibition of influenza virus infection in mice by pulmonary administration of a spray dried antiviral drug

Aurélien Bornet, Francesco Stellacci, Paulo Henrique Jacob Silva

Increasing resistance to antiviral drugs approved for the treatment of influenza urges the development of novel compounds. Ideally, this should be complemented by a careful consideration of the administration route. 6′siallyllactosamine-functionalized β-cy ...

2024

Amino acids modulate liquid-liquid phase separation in vitro and in vivo by regulating protein-protein interactions

Francesco Stellacci, Xufeng Xu

Copyright © 2024 the Author(s). Published by PNAS.Liquid-liquid phase separation (LLPS) is an intracellular process widely used by cells for many key biological functions. It occurs in complex and crowded environments, where amino acids (AAs) are vital com ...

National Academy of Sciences2024

Combining external physical stimuli and nanostructured materials for upregulating pro-regenerative cellular pathways in peripheral nerve repair

Francesco Stellacci, Silvestro Micera

Peripheral nerve repair remains a major clinical challenge, particularly in the pursuit of therapeutic approaches that ensure adequate recovery of patient's activity of daily living. Autografts are the gold standard in clinical practice for restoring lost ...

FRONTIERS MEDIA SA2024

Development of Broad-Spectrum β-Cyclodextrins-Based Nanomaterials Against Influenza Viruses

Francesco Stellacci, Paulo Henrique Jacob Silva, Yong Zhu

In recent decades, epidemics and pandemics have multiplied throughout the world, with viruses generally being the primary responsible agents. Among these, influenza viruses play a key role, as they potentially cause severe respiratory distress, representin ...

2024

Beyond the limiting gap length: peripheral nerve regeneration through implantable nerve guidance conduits

Francesco Stellacci, Silvestro Micera

Peripheral nerve damage results in the loss of sensorimotor and autonomic functions, which is a significant burden to patients. Furthermore, nerve injuries greater than the limiting gap length require surgical repair. Although autografts are the preferred ...

Royal Soc Chemistry2024

A Synthetic Multivalent Lipopeptide Derived from Pam3CSK4 with Irreversible Influenza Inhibition and Immuno-Stimulating Effects

Armand Kurum, Francesco Stellacci, Quy Ong Khac, Bruno Emanuel Ferreira De Sousa Correia, Pablo Gainza Cirauqui, Li Tang, Lixia Wei, Yong Zhu, Francesca Olgiati

The activation of the host adaptive immune system is crucial for eliminating viruses. However, influenza infection often suppresses the innate immune response that precedes adaptive immunity, and the adaptive immune responses are typically delayed. Dendrit ...

Wiley-V C H Verlag Gmbh2024

Broad-Spectrum Supramolecularly Reloadable Antimicrobial Coatings

Francesco Stellacci, Matteo Gasbarri, Lukasz Richter, Francesca Olgiati, Heyun Wang

Antimicrobial surfaces limit the spread of infectious diseases. To date, there is no antimicrobial coating that has widespread use because of short-lived and limited spectrum efficacy, poor resistance to organic material, and/or cost. Here, we present a pa ...

Amer Chemical Soc2024

Direct Monomer Recovery from Ring-Closing Depolymerization of Thermosets

Francesco Stellacci, Youwei Ma

Recovering monomers from the depolymerization of thermosets presents a significant challenge, which becomes even more daunting if one sets the goal of doing it directly, i.e., without complex chemical separation steps. To this end, we have synthesized a ne ...

AMER CHEMICAL SOC2024

Virucidal compounds and use thereof

Francesco Stellacci, Bruno Emanuel Ferreira De Sousa Correia, Pablo Gainza Cirauqui, Corey Alfred Stevens, Lukasz Richter, Francesca Olgiati, Chiara Medaglia

Disclosed herein are peptide-grafted compounds that irreversibly deactivate bacteriophages or influenza virus depending on the peptide and remain safe for bacteria and mammalian cells. The active compounds comprise a core (cyclodextrin or gold nanoparticle ...

2024

Virucidal compositions and use thereof

Francesco Stellacci

The invention relates to substituted cyclodextrin (CD) compounds having C9 to C25 optionally substituted alkyl-based linker groups, which irreversibly inhibit viruses and are useful in the treatment of viral infections. While the compounds of the invention ...

2023

Development of an inhalable antiviral powder formulation against respiratory syncytial virus

Daniel Ortiz Trujillo, Francesco Stellacci, Paulo Henrique Jacob Silva, Matteo Gasbarri

Respiratory viruses including the respiratory syncytial virus (RSV) aggravate the global burden of virus-inflicted morbidity and mortality. Entry inhibitors are a promising class of antiviral drugs for combating these viruses, as they can prevent infection ...

ELSEVIER2023

Influence of structural dynamics on cell uptake investigated with single-chain polymeric nanoparticles

Francesco Stellacci, Arthur Eliot Bouchez, Lixia Wei, Suiyang Liao

Most nanoparticles' parameters affect their interactions with cells. To date, all the parameters studied are basically static (e.g., size, shape, ligands, and charge). This is unfortunate, because proteins have struc-tural dynamics that most nanoparticles ...

CELL PRESS2023

Amphiphilic Au nanoparticles and cholesterol-containing liposomes serving as minimal tunable fusion machinery

Francesco Stellacci, Paulo Henrique Jacob Silva, Ester Canepa, Giulia Rossi

SPRINGER2023

Difference in astringency of the main pea protein fractions

Francesco Stellacci, Hanna Fanny Clarisse Lesme

Interactions between food and saliva govern complex mouthfeel perceptions such as astringency. Herein, we present a study of the interactions of salivary proteins with the main pea protein fractions that are obtained by isoelectric and salt precipitation ( ...

Elsevier Sci Ltd2023

Antiviral Mechanism of Virucidal Sialic Acid Modified Cyclodextrin

Francesco Stellacci, Paulo Henrique Jacob Silva, Marine Batista, Yong Zhu, Andrey Sysoev

We have reported that CD-6'SLN [6-sialyllactosamine (6'SLN)-modified beta-cyclodextrin (CD)] can be a potential anti-influenza drug because it irreversibly deactivates virions. Indeed, in vivo, CD-6'SLN improved mice survival in an H1N1 infection model eve ...

MDPI2023

Antiviral compounds, compositions and uses thereof

Francesco Stellacci, Matteo Gasbarri, Yong Zhu

Compounds, compositions and methods that can be used for the treatment of viral diseases are provided. ...

2023

Recycling of Polymerase Chain Reaction (PCR) Kits

Francesco Stellacci, Yong Zhu, Weina Liu

Polymerase chain reaction (PCR) kits have been used as common diagnosing tools during the outbreak of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic, with daily worldwide usage in the millions. It is well known that at the beginn ...

AMER CHEMICAL SOC2023

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