C12N2535/00

BI-LAYER MULTI-WELL CELL CULTURE PLATFORM

The methods and systems described herein provide a cell culture platform with an array of tissue modeling environments and dynamic control of fluid flow. The cell culture platform includes an array of wells that are fluidically coupled by microchannel structures. The dynamically controlled flow of fluid interacts with cells grown within the microchannels.

POROUS SCAFFOLD, METHOD OF MAKING AND USES THEREOF

The disclosure provides a bread-derived scaffold biomaterial for supporting cells, the scaffold comprising a bread crumb and wherein the bread crumb comprises a three-dimensional porous structure to support the cells. Further provided is a use of the scaffold and a method of making same.

SCREEN PRINTING TISSUE MODELS
20210172933 · 2021-06-10 ·

A process of simply, cheaply, and reproducibly creating complex tissue models using screen printing and the tissue model prepared using the screen printing process. These models areamenable to high throughput screening. They will allow the study of components of disease progression and can be used for screening therapies.

Packed-bed bioreactor systems and methods of using the same

A packed-bed bioreactor system for culturing cells is provided, the system including a cell culture vessel having at least one interior reservoir, an inlet fluidly connected to the reservoir, and an outlet fluidly connected to the reservoir; and a cell culture matrix disposed in the reservoir. The cell culture matrix includes a structurally defined multi-layered substrate for adhering cells thereto, and each layer of the multi-layered substrate has a physical structure and a porosity that are substantially regular and uniform.

CELL CULTURE METHOD AND AUTOMATIC CELL CULTURE APPARATUS

A novel cell culture method for inducing differentiation of a pluripotent stem cell into trophoblast and an automatic culture apparatus therefor includes: a first step of culturing the pluripotent stem cell in a presence of a ROCK inhibitor during a first time period; a second step of culturing the pluripotent stem cell, which has been subjected to the first step, without the ROCK inhibitor during a second time period following the first time period; and a step of culturing the pluripotent stem cell, which has been subjected to the second step, in the presence of the ROCK inhibitor during a third time period following the second time period, in which the pluripotent stem cell is cultured in a state of being adhered to a cell culture substrate including a planar mesh through the first to third time periods.

CELL-CONTAINING CONTAINER, METHOD FOR EVALUATING TEST SUBSTANCE, AND METHOD FOR MANUFACTURING CELL-CONTAINING CONTAINER

A cell-containing container includes at least one recessed part accommodating cells, in which the cells adhere to a bottom surface of the recessed part, and a cell density in a first region of the bottom surface is 250 to 20,000 cells/mm.sup.2, and a cell density in a second region surrounding a periphery of the first region is less than 250 cells/mm.sup.2.

CURVATURE-DEFINED CONCAVE AND CONVEX PDMS SURFACES FOR USE IN CELL AND TISSUE CULTURING AND IN OTHER SURFACE AND INTERFACE APPLICATIONS
20210180012 · 2021-06-17 ·

The present disclosure provides a method of fabricating curvature-defined (C-D) or shape-defined (S-D) concave and convex polydimethylsiloxane (PDMS) surfaces and a method of fabricating C-D or S-D convex and concave gel surfaces for use in cell and tissue culturing and in other surface and interface applications, and provides a method of using C-D or S-D convex and concave surfaces with varying curvatures to direct cell attachment, spreading, and migration.

3D STIMULATED TISSUE CONSTRUCTS AND METHODS OF MAKING THEREOF

This application discloses a method for preparing a construct comprising preparing a mixture of an extracellular matrix and a plurality of cells suspended in a first cell culture medium, applying a crosslinking or gelation agent to the mixture, depositing the mixture into a mold of a defined shape, allowing the extracellular matrix in the mixture to crosslink or gel for a duration of about 1 hour to about 4 hours, applying a second cell culture medium to the mixture containing crosslinked or gelled extracellular matrix, and allowing cell directed self-assembly of the mixture for a duration of about 2 hours to about 10 hours to form a construct, wherein the construct is a three-dimensional structure formed within the mold of the defined shape. Optionally, the method further comprises applying at least one stimuli to the mixture or the construct. Also provided are constructs prepared according to the methods disclosed herein.

NOVEL BIOMATERIAL SUBSTRATES, CELL CULTURE SYSTEMS COMPRISING THE SAME AND USES THEREOF IN CELL SCREENING APPLICATIONS

The invention relates to the fields of biomaterials, tissue engineering and regenerative medicine. More specifically, it relates to biomaterial substrates having precise surface properties and the use thereof to investigate cell-material interactions. Provided is a cell culture system having a biomaterial substrate which has at least a first linear surface gradient oriented orthogonally to a second linear surface gradient, wherein the first gradient and the second gradient are selected from the group consisting of stiffness (S), (aligned) topography (T) and wettability (W). Also provided is a cell screening platform having a combination of at least two, preferably at least three, more preferably four distinct cell culture systems.

Synthetic niche matrices for stem cell culture

The present invention relates to a supermatrix of synthetic niches comprising at least two matrices of niches wherein each matrix comprises n×m niches and wherein the distance (d) between a matrix and the other is greater than zero and wherein in each matrix every synthetic niche has one or more walls in common with the others synthetic niches of the matrix. A support for the culture of cells that includes at least one supermatrix and the use of said supermatrix or support for the in vitro culture of cells, in particular stem cells, or for the in vivo implant in a subject in order to promote tissue or organ regeneration through cell repopulation are also within the scope of the present invention.