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Sandrine Gerber

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Publications associées (98)

Development of Covalent Chitosan-Polyethylenimine Derivatives as Gene Delivery Vehicle: Synthesis, Characterization, and Evaluation

Sandrine Gerber, Céline Marie Anne Journot, Laura Camille Louise Nicolle

There is an increasing interest in cationic polymers as important constituents of non-viral gene delivery vectors. In the present study, we developed a versatile synthetic route for the production of covalent polymeric conjugates consisting of water-solubl ...

2021

Chitosan Functionalization: Covalent and Non-Covalent Interactions and Their Characterization

Sandrine Gerber, Céline Marie Anne Journot, Laura Camille Louise Nicolle

Chitosan (CS) is a natural biopolymer that has gained great interest in many research fields due to its promising biocompatibility, biodegradability, and favorable mechanical properties. The versatility of this low-cost polymer allows for a variety of chem ...

MDPI2021

Multicomponent Alginate-Derived Hydrogel Microspheres Presenting Hybrid Ionic-Covalent Network and Drug Eluting Properties

Sandrine Gerber, François Rémi Pierre Noverraz, Luca Szabó

The development of multifunctional encapsulation biomaterials could help the translation of cell‐based therapies into standard medical care. One of the major hurdles in the field of encapsulated cell transplantation is the current lack of materials present ...

Wiley-VHCA AG2020

Strategies to Functionalize the Anionic Biopolymer Na-Alginate Without Restricting its Polyelectrolyte Properties

Jutta Christine Wandrey, Sandrine Gerber, Luca Szabó

The natural anionic polyelectrolyte alginate and its derivatives are of particular interest for pharmaceutical and biomedical applications. Most interesting for such applications are alginate hydrogels, which can be processed into various shapes, self-stan ...

2020

Selection of Water-Soluble Chitosan by Microwave-Assisted Degradation and pH-Controlled Precipitation

Sandrine Gerber, Céline Marie Anne Journot, Yann Lavanchy, Laura Camille Louise Nicolle

In the field of gene therapy, chitosan (CS) gained interest for its promise as a non-viral DNA vector. However, commercial sources of CS lack precise characterization and do not generally reach sufficient solubility in aqueous media for in vitro and in viv ...

2020

Photocontrolled release of the anticancer drug chlorambucil with caged harmonic nanoparticles

Jean-Pierre Wolf, Sandrine Gerber, Luigi Bonacina, Raphaël Jovita De Matos, Jérémy Vuilleumier

While chemotherapy is one of the most used treatments in oncology, the systemic administration of chemotherapeutics generally results in undesired damages to healthy tissues and cells, side effects such as severe nausea and leukopenia, and reduced efficacy ...

Wiley-VHCA AG2020

Two-photon triggered photorelease of caged compounds from multifunctional harmonic nanoparticles

Sandrine Gerber, Luigi Bonacina, Daniel Ortiz Trujillo, Laure Menin, Raphaël Jovita De Matos, Jérémy Vuilleumier

The design of stimuli-responsive nanocarriers has raised much attention to achieve higher local concentration of therapeutics and mitigate the appearance of drug resistance. The combination of imaging properties and controlled photorelease of active molecu ...

2019

Human mesenchymal stem cells for the treatment of steatohepatitis

Sandrine Gerber, Yannick Müller

LIPPINCOTT WILLIAMS & WILKINS2019

Cross-Reactive Alginate Derivatives for the Production of Dual Ionic−Covalent Hydrogel Microspheres Presenting Tunable Properties for Cell Microencapsulation

Sandrine Gerber, Aurélien Bornet, François Rémi Pierre Noverraz, Luca Szabó

The production of hydrogel micropsheres (MS) presenting physical, mechanical, and biological properties which can be modulated by their chemical composition is required to enlarge the panel of biomaterials for cell transplantation therapies. Functionalizat ...

2019

Combination of neonatal porcine islets with mesenchymal stem cells of human and porcine origin improves islet function

Sandrine Gerber, Luca Szabó

WILEY2019

Combination of neonatal porcine islets with mesenchymal stem cells of human and porcine origin improves islet function

Sandrine Gerber, Luca Szabó

WILEY2019

Inhibitor-conjugated harmonic nanoparticles targeting fibroblast activation protein

Sandrine Gerber, Raphaël Jovita De Matos, Jérémy Vuilleumier

The recent progress in the engineering of nanosized inorganic materials presenting tailored physical properties and reactive surface for post-functionalization has opened promising avenues for the use of nanoparticles (NPs) in diagnosis and therapeutic int ...

2019

Anti-fibrotic effect of ketoprofen-grafted alginate microcapsules in the transplantation of insulin producing cells

Sandrine Gerber, Daniel Ortiz Trujillo, Léo Bühler, François Rémi Pierre Noverraz, Luca Szabó

The controlled release of small molecular modulators of the immune response from hydrogel microspheres (MS) used for cell immobilization is an attractive approach to reduce pericapsular fibrotic overgrowth (PFO) after transplantation. Ketoprofen is a well- ...

2018

Synthesis of different glutathione-sulfur mustard adducts of verified and potential biomarkers

Sandrine Gerber

2018

Beneficial Effects of Human Mesenchymal Stromal Cells on Porcine Hepatocyte Viability and Albumin Secretion

Sandrine Gerber, François Rémi Pierre Noverraz, Solène Marcelle Françoise Marie Passemard, Aurélien Thomas, Luca Szabó

LIPPINCOTT WILLIAMS & WILKINS2018

Beneficial effects of Human Mesenchymal Stromal Cells on Porcine Hepatocyte Viability and Albumin Secretion

Sandrine Gerber, François Rémi Pierre Noverraz, Solène Marcelle Françoise Marie Passemard, Aurélien Thomas, Luca Szabó

Porcine hepatocytes transplanted during acute liver failure might support metabolic functions until the diseased liver recovers its function. Here, we isolated high numbers of viable pig hepatocytes and evaluated hepatocyte functionality after encapsulatio ...

2018

Hydrogels based on functionalized polysaccharides

Jutta Christine Wandrey, Sandrine Gerber, Léo Bühler, Solène Marcelle Françoise Marie Passemard

The present invention relates to functionalized hydrogel networks grafted with at least one moiety for use in numerous fields, from cosmetics to surgery and medicine. ...

2018

Beneficial effects of human mesenchymal stromal cells on porcine hepatocytes viability and albumin secretion

Sandrine Gerber, Léo Bühler, Solène Marcelle Françoise Marie Passemard, Aurélien Thomas

Wiley2017

Synthesis strategies to extend the variety of alginate-based hybrid hydrogels for cell microencapsulation

Jutta Christine Wandrey, Sandrine Gerber, François Rémi Pierre Noverraz, Solène Marcelle Françoise Marie Passemard, Luca Szabó

The production of hydrogel microspheres (MS) for cell immobilization, maintaining the favorable properties of alginate gels but presenting enhanced performance in terms of in vivo durability and physical properties, is desirable to extend the therapeutic p ...

American Chemical Society2017

Multipotent mesenchymal stromal cells enhance insulin secretion from human islets via N-Cadherin interaction and prolong function of transplanted encapsulated islets in mice

Jutta Christine Wandrey, Sandrine Gerber, Redouan Mahou

Background: Multipotent mesenchymal stromal cells (MSC) enhance viability and function of islets of Langerhans. We aimed to examine the interactions between human MSC and human islets of Langerhans that influence the function of islets. Methods: Human MSC ...

Biomed Central Ltd2017

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