C12N2523/00

Tumor tissue cryopreservation kit, tumor tissue resuscitation kit, and method of cryopreserving and/or resuscitating tumor tissue

A kit, including: a first solution, a second solution, and a metal mesh. The first solution includes: dulbecco's modified eagle medium (DMEM), 65-95 V/V %; dimethyl sulfoxide (DMSO), 5.5-20 V/V %; ethylene glycol (EG), 3.5-15 V/V %; bovine serum albumin (BSA), 0.5-4 W/V %; sucrose 1-5 W/V %; methylcellulose with a viscosity of 4000 centipoise (cP), 0.05-0.8 W/V %; hetastarch 0.25-0.6 W/V %; and glucose 15-35 W/V %. The second solution includes: DMEM, 65-95 V/V %; DMSO, 5.5-20 V/V %; EG, 8-20 V/V %; BSA, 0.5-4 W/V %; sucrose, 10-20 W/V %; methylcellulose with a viscosity of 4000 centipoise (cP), 0.05-0.8 W/V %; polyvinyl pyrrolidone (PVP), 0.25-0.6 W/V %; and glucose 15-35 W/V %. The metal mesh has a thickness of 0.15-0.2 mm and includes a plurality of square holes. The side length of the square holes is 2.0-3.0 mm, and the spacing between adjacent holes is 0.5-2.0 mm.

In vitro model for blood-brain barrier and method for producing in vitro model for blood-brain barrier
11447752 · 2022-09-20 · ·

Disclosed is a method for producing an in vitro model for blood-brain barrier, including (a) a culturing conditionally immortalized astrocytes on one surface of a porous membrane and culturing conditionally immortalized brain pericytes on the other surface of the porous membrane, until both of the cells become a sheet; (b) culturing conditionally immortalized brain microvascular endothelial cells in a culture vessel, until the cells become a sheet; (c) peeling off the sheet of conditionally immortalized brain microvascular endothelial cells; (d) allowing the sheet of conditionally immortalized brain microvascular endothelial cells to come into contact with the sheet of conditionally immortalized brain pericytes, so that the sheets are arranged in layers; and (e) co-culturing a cell culture comprising three layers consisting of the sheet of conditionally immortalized brain microvascular endothelial cells, the sheet of conditionally immortalized brain pericytes, and the sheet of conditionally immortalized astrocytes.

METHOD FOR LOADING OF MICROORGANISMS ON MULTIPHASE BIOMATERIALS

The invention relates to method for loading microorganisms or parts thereof on and/or in pre-synthesized multiphase biomaterials comprising nanocellulose wherein the microorganisms are resuspended in a buffer or a culture medium and loaded into and/or onto the multiphase biomaterial and the use of such a loaded multiphase biomaterial in nutritional, food, pharmaceutical, medical, cosmetic, especially oral, mucosal, dermal and transdermal, ocular, dermatological or female health applications.

ROLE OF CYR61 IN EXTRACELLULAR MATRIX FOR RETENTION OF MESENCHYMAL STEM CELL PROPERTIES

Disclosed are methods for restoring stem cell properties to stem cells in need thereof. Stem cells that have diminished or substantially no stem cell properties are cultivated on extracellular matrix that is produced by cells that are capable of producing CCN1/Cyr61 to produce a rescued stem cell culture. The rescued stem cell culture exhibits restored stem cell properties including responsiveness to differentiation inducers and/or adipogenesis inducers. The rescued stem culture can be used in autologous stem cell based therapies.

Method for circulating tumor cells isolation

A method of circulating tumor cells isolation, using an isolating cultural system of circulating tumor cells, comprises the following steps: (1) providing a sample; (2) adding a cell culture medium to the isolating cultural system of circulating tumor cells; (3) adding the sample to the isolating cultural system of circulating tumor cells to cultivate; and (4) collecting the suspended circulating tumor cells in the cell culture medium; wherein the isolating cultural system of circulating tumor cells comprises a container including a cell adhesion portion, and cellulose coated on the cell adhesion portion.

THERAPEUTIC APOPTOTIC CELLS FOR TREATMENT OF OSTEOARTHRITIS
20220280563 · 2022-09-08 · ·

Methods of use for treating osteoarthritis or vanishing bone disease in a subject in need, including methods of direct administration of a composition of early apoptotic cells or an apoptotic supernatant into or adjacent to the affected joint or bone tissue. Methods of use may reduce pain, swelling, inflammation, bone loss, and or cartilage degeneration, and may increase freedom of movement at an affected joint.

JIG FOR CELL OR TISSUE CRYOPRESERVATION

The present invention aims to provide a device for cryopreservation providing excellent working efficiency in operations for freezing and thawing cells or tissues. Provided is a device for cryopreservation off a cell or tissue including at least: a body including a strip-shaped tip; and a cap covering the tip of the body, the tip including at least a deposition part comprising a preservation solution absorber, the tip having a length in a minor axis direction of not shorter than 70% of an inner diameter of the cap, the cap including an inner cavity having a length in a major axis direction of not longer than 200% of a length in a major axis direction of the tip.

Use of a Warmer For Promoting a Biological Reaction
20220235323 · 2022-07-28 · ·

The present invention relates to the use of warmers, or autonomous heat packs, for heating and maintaining a solution at a suitable temperature, for the period of time required to accomplish a chemical, biochemical or biological reaction, in particular in molecular biology or cell biology applications. Biology kits containing warmers are also part of this invention.

METHODS FOR EXTENDING THE REPLICATIVE CAPACITY OF SOMATIC CELLS DURING AN EX VIVO CULTIVATION PROCESS

A product and process for extending the replicative capacity of metazoan somatic cells using targeted genetic amendments to abrogate inhibition of cell-cycle progression during replicative senescence and derive clonal cell lines for scalable applications and industrial production of metazoan cell biomass. An insertion or deletion mutation using guide RNAs targeting the first exon of the transcript encoding each protein is created using CRISPR/Cas9. Targeted amendments result in inactivation of p15 and p16 proteins which increases the proliferative capacity of the modified cell populations relative to their unaltered parental populations. Combining these amendments with ancillary telomerase activity from a genetic construct directing expression of a telomerase protein homolog from a TERT gene, increases the replicative capacity of the modified cell populations indefinitely. One application is to manufacture skeletal muscle for dietary consumption using cells from the poultry species Gallus gallus; another is from the livestock species Bos taurus.

SERUM-FREE CELL CULTURE MEDIUM
20220228187 · 2022-07-21 ·

The specification describes an improved serum-free animal cell culture medium, which can used for the production of a protein of interest. Ornithine, or a combination of ornithine and putrescine can be added to serum-free media or chemically defined media to improve viable cell density, to reduce cell doubling time, and to increase the production of a protein of interest.