PRINTHEAD AND SYSTEM FOR ELECTROPORATION, AND METHOD OF PRINTING PATTERNED TISSUE

A method of printing patterned tissue includes flowing a bioink comprising cells and a biological cargo through a nozzle moving relative to a substrate and exposing selected voxels of the bioink to a pulsed electric field as the bioink flows through the nozzle. Consequently, a portion or all of the...

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Main Authors LEWIS, Jennifer, LU, Jingcheng (Aric), MARQUEZ, Carlos, STANKEY, Paul, COPPETA, Jonathan
Format Patent
LanguageEnglish
French
Published 07.11.2024
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Abstract A method of printing patterned tissue includes flowing a bioink comprising cells and a biological cargo through a nozzle moving relative to a substrate and exposing selected voxels of the bioink to a pulsed electric field as the bioink flows through the nozzle. Consequently, a portion or all of the cells in each of the selected voxels undergoes electroporation and transfection with the biological cargo. A cell-laden filament comprising the bioink and including the selected voxels is continuously extruded from an outlet of the nozzle, and, as the nozzle moves relative to the substrate, the cell-laden filament is deposited in a predetermined pattern on the substrate. Thus, a tissue having spatial patterns of gene expression may be printed. Un procédé d'impression de tissu à motifs consiste à faire couler une bio-encre comprenant des cellules et un chargement biologique à travers une buse se déplaçant par rapport à un substrat et exposer des voxels sélectionnés de la bio-encre à un champ électrique pulsé lorsque la bio-encre s'écoule à travers la buse. Par conséquent, une partie ou la totalité des cellules dans chacun des voxels sélectionnés subit une électroporation et une transfection avec le chargement biologique. Un filament chargé de cellules comprenant la bio-encre et comprenant les voxels sélectionnés est extrudé en continu à partir d'une sortie de la buse, et, lorsque la buse se déplace par rapport au substrat, le filament chargé de cellules est déposé selon un motif prédéterminé sur le substrat. Ainsi, un tissu ayant des motifs spatiaux d'expression génique peut être imprimé.
AbstractList A method of printing patterned tissue includes flowing a bioink comprising cells and a biological cargo through a nozzle moving relative to a substrate and exposing selected voxels of the bioink to a pulsed electric field as the bioink flows through the nozzle. Consequently, a portion or all of the cells in each of the selected voxels undergoes electroporation and transfection with the biological cargo. A cell-laden filament comprising the bioink and including the selected voxels is continuously extruded from an outlet of the nozzle, and, as the nozzle moves relative to the substrate, the cell-laden filament is deposited in a predetermined pattern on the substrate. Thus, a tissue having spatial patterns of gene expression may be printed. Un procédé d'impression de tissu à motifs consiste à faire couler une bio-encre comprenant des cellules et un chargement biologique à travers une buse se déplaçant par rapport à un substrat et exposer des voxels sélectionnés de la bio-encre à un champ électrique pulsé lorsque la bio-encre s'écoule à travers la buse. Par conséquent, une partie ou la totalité des cellules dans chacun des voxels sélectionnés subit une électroporation et une transfection avec le chargement biologique. Un filament chargé de cellules comprenant la bio-encre et comprenant les voxels sélectionnés est extrudé en continu à partir d'une sortie de la buse, et, lorsque la buse se déplace par rapport au substrat, le filament chargé de cellules est déposé selon un motif prédéterminé sur le substrat. Ainsi, un tissu ayant des motifs spatiaux d'expression génique peut être imprimé.
Author LU, Jingcheng (Aric)
STANKEY, Paul
MARQUEZ, Carlos
COPPETA, Jonathan
LEWIS, Jennifer
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LU, Jingcheng (Aric)
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MARQUEZ, Carlos, Antonio
COPPETA, Jonathan, R
STANKEY, Paul, Phillip
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Snippet A method of printing patterned tissue includes flowing a bioink comprising cells and a biological cargo through a nozzle moving relative to a substrate and...
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SubjectTerms AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF
CULTURE MEDIA
ENZYMOLOGY
METALLURGY
MICROBIOLOGY
MICROORGANISMS OR ENZYMES
MUTATION OR GENETIC ENGINEERING
PERFORMING OPERATIONS
PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
SPIRITS
TRANSPORTING
VINEGAR
WINE
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Title PRINTHEAD AND SYSTEM FOR ELECTROPORATION, AND METHOD OF PRINTING PATTERNED TISSUE
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