Abstract: The present disclosure relates to the modulation of cell activity by sequential release of several biomolecule from a given nanocarrier using a given wavelength. The present disclosure describes a composition for controlled release of biomolecules comprising: a gold nanoparticle; at least two different biomolecules; at least two different oligonucleotides having different melting points, binding said biomolecules to the surface of the gold nanoparticle; wherein the binding is obtainable via hybridization of complementary oligonucleotides; wherein each of the oligonucleotides is a photo-active such that the respective biomolecule is releasable by photo-activation. The composition of the present disclosure may be use in medicine, namely in the treatment of cancer, aging diseases, and accelerated aging syndromes, infectious diseases such as AIDS, epigenetic diseases such as polycystic ovary syndrome, or cardiac diseases, such as cardiac regeneration.

Abstract: The present disclosure relates to an antimicrobial peptide conjugated with nanoparticles, in particular the antimicrobial peptide LL37-conjugated gold nanoparticles for use in medicine or cosmetic, for human or animals, namely in the treatment of wound healing or in the treatment of ischemic or vascular diseases, comprising a gold nanoparticle and a plurality of LL-37 peptides, wherein the plurality of LL-37 peptides is bound to the gold nanoparticle surface.

Abstract: Among other things, the present disclosure provides compositions and methods for an elastomeric cross-linked polyester material. Such an elastomeric cross-linked polyester material, in some embodiments, comprises a plurality of polymeric units of the general formula (-A-B—)p, wherein p is an integer greater than 1; and a plurality of urethane cross-links each of which covalently links two polymeric units to one another, which two linked polymeric unit each had at least one free hydroxyl or amino group prior to formation of the crosslink.

Abstract: The present disclosure describes a method and composition for enhancing the survival of hematopoietic stem cells, preferably CD34+ derived from human umbilical cord or peripheral blood, in hypoxic and serum-deprived conditions by cultivating the cells in medium containing lysophosphatidic acid, preferably further comprising a gel, namely a biomimetic gel.

Abstract: The present disclosure relates to a differentiated cell population of endothelial cells derived from human pluripotent stem cells. The present invention also relates to a composition, a system and a kit comprising those cells and uses thereof. The present disclosure also described the combination of arterial ECs derived from human pluripotent stem cells with a microfluidic system to create a vascular kit for high-throughput drug screening and/or toxicology analysis. This technology may find particular use for the identification of drugs that may have a fetal cytotoxic effect.

Abstract: The present disclosure describes a method and composition for enhancing the survival of hematopoietic stem cells, preferably CD34+ derived from human umbilical cord or peripheral blood, in hypoxic and serum-deprived conditions by cultivating the cells in medium containing lysophosphatidic acid, preferably further comprising a gel, namely a biomimetic gel. The method and composition may be used in medicine or cosmetic application, in particular, in treatment of cardiac tissue and/or cardiac diseases, and/or in the treatment of wound healing namely diabetic wound healing.

Abstract: The present disclosure relates to the treatment of Hutchinson-Gilford Progeria Syndrome (HGPS) and diseases related to vascular ageing and in the treatment of smooth muscle cells diseases, in particular an inhibitor of a metalloprotease the treatment of smooth muscle cells diseases. The disclosure subject matter describes a more effective therapies for the treatment of Hutchinson-Gilford Progeria Syndrome and diseases related to vascular ageing, or namely by the use of an inhibitor of a metalloprotease.

Abstract: The invention relates to a composition and method used for injuries treatment with a surprisingly therapeutic effect. This composition comprises a population of cells derived from human umbilical cord blood which expresses one of the following markers: CD34, CD45, and CD31; a population of CD34+ derived endothelial cells; and a biomimetic gel, preferably fibrin. The method for obtaining the composition comprises the derivation of a population of endothelial cells from CD34+ cells and then a co-culture of a CD34+ cells with CD34+-derived endothelial cells within a biomimetic gel.

Abstract: The present subject matter relates to light-activatable polymeric nanoparticles (NPs) for the transportation and release of an active substance, methods for obtain said particles and their uses. A light-activatable nanoparticle for the transportation and release of an active substance, comprising a polycation preferably a polimer polycation, a polyanion and a light-sensitive photochrome attached to the polycation or the polyanion, wherein said photochrome is hydrophobic and suitable to photo-cleave when activated by an irradiation source, generating a negative charge and releasing the active substance. Light-activatable. The disclosure subject matter shows that NPs are a highly efficient drug delivery system to primary leukemic cells based on opto-nanomedicine system. Therefore, the present disclosure is useful for remote control in the release of biomolecules with spatio-temporal resolution with applications in the areas of general therapeutic and regenerative medicine applications.

Abstract: The present subject matter relates to light-activatable polymeric nanoparticles (NPs) for the transportation and release of an active substance, methods for obtain said particles and their uses. A light-activatable nanoparticle for the transportation and release of an active substance, comprising a polycation preferably a polimer polycation, a polyanion and a light-sensitive photochrome attached to the polycation or the polyanion, wherein said photochrome is hydrophobic and suitable to photo-cleave when activated by an irradiation source, generating a negative charge and releasing the active substance. Light-activatable. The disclosure subject matter shows that NPs are a highly efficient drug delivery system to primary leukemic cells based on opto-nanomedicine system. Therefore, the present disclosure is useful for remote control in the release of biomolecules with spatio-temporal resolution with applications in the areas of general therapeutic and regenerative medicine applications.

Abstract: The present disclosure relates to a method for obtaining human brain-like endothelial cells by contacting a population of cells isolated from stem cells with a differentiation medium to obtain endothelial cells and co-culturing said endothelial cells with pericytes, with cells of the neurovascular unit or with a pericytes conditioned medium, to obtain brain-like endothelial cells. The present disclosure also relates to the use of the brain-like endothelial cells as an in vitro model of human blood-brain barrier and a kit for measuring blood-brain barrier permeability of a substance, comprising in vitro human endothelial cells.

Abstract: The present disclosure relates to a differentiated cell population of endothelial cells derived from human pluripotent stem cells. The present invention also relates to a composition, a system and a kit comprising those cells and uses thereof. The present disclosure also described the combination of arterial ECs derived from human pluripotent stem cells with a microfluidic system to create a vascular kit for high-throughput drug screening and/or toxicology analysis. This technology may find particular use for the identification of drugs that may have a fetal cytotoxic effect.

Abstract: The invention relates to an antimicrobial coating composition for coating articles comprising: an antimicrobial peptide and a nanoparticle bound to said antimicrobial peptide, wherein the composition is suitable to be bonded to the surface of the article. The composition can comprise a coating composition of medical devices and laboratory surfaces.

Abstract: The present disclosure describes a method and composition for enhancing the survival of hematopoietic stem cells, preferably CD34+ derived from human umbilical cord or peripheral blood, in hypoxic and serum-deprived conditions by cultivating the cells in medium containing lysophosphatidic acid, preferably further comprising a gel, namely a biomimetic gel. The method and composition may be used in medicine or cosmetic application, in particular, in treatment of cardiac tissue and/or cardiac diseases, and/or in the treatment of wound healing namely diabetic wound healing.

Abstract: The invention relates to an antimicrobial surfactant complexed with a nanomaterial. The surfactant can be a quaternary ammonium cationic surfactant which is coated on the surface of a nanomaterial such as a silica nanoparticle or a carbon nanotube.

Abstract: A nanoparticle conjugate for intracellular delivery of a therapeutic agent, wherein the conjugate comprises a nanoparticle, a cationic agent and the therapeutic agent. Pharmaceutical compositions, medicaments and therapeutic uses thereof are also provided.

Abstract: The present inventions in various aspects provide elastic biodegradable polymers. In various embodiments, the polymers are formed by the reaction of a multifunctional alcohol or ether and a difunctional or higher order acid to form a pre-polymer, which is cross-linked to form the elastic biodegradable polymer. In preferred embodiments, the cross-linking is performed by functionalization of one or more OR groups on the pre-polymer backbone with vinyl, followed by photopolymerization to form the elastic biodegradable polymer composition or material. Preferably, acrylate is used to add one or more vinyls to the backbone of the pre-polymer to form an acrylated pre-polymer. In various embodiments, acrylated pre-polymers are co-polymerized with one or more acrylated co-polymers.

Abstract: The invention relates to a composition and method used for injuries treatment with a surprisingly therapeutic effect. This composition comprises a population of cells derived from human umbilical cord blood which expresses one of the following markers: CD34, CD45, and CD31; a population of CD34+ derived endothelial cells; and a biomimetic gel, preferably fibrin. The method for obtaining the composition comprises the derivation of a population of endothelial cells from CD34+ cells and then a co-culture of a CD34+ cells with CD34+-derived endothelial cells within a biomimetic gel.

Abstract: The present inventions in various aspects provide elastic biodegradable polymers. In various embodiments, the polymers are formed by the reaction of a multifunctional alcohol or ether and a difunctional or higher order acid to form a pre-polymer, which is cross-linked to form the elastic biodegradable polymer. In preferred embodiments, the cross-linking is performed by functionalization of one or more OR groups on the pre-polymer backbone with vinyl, followed by photopolymerization to form the elastic biodegradable polymer composition or material. Preferably, acrylate is used to add one or more vinyls to the backbone of the pre-polymer to form an acrylated pre-polymer. In various embodiments, acrylated pre-polymers are co-polymerized with one or more acrylated co-polymers.

Abstract: The present invention provides a vehicle for delivering various chemicals, compositions and proteins to stem cells and embryoid bodies. The vehicle may be biocompatible and biodegradable polymer microparticles. Typically the particles will contain at least a growth factor for delivery to the embryoid bodies, and generally the growth factor induces differentiation of the cells in the embryoid body along a specific lineage. The present invention also provides methods for directing differentiation of the cells in the embryoid body.