C12N5/0037

Methods for increasing mannose content of recombinant proteins

The present invention relates to methods of modulating the mannose content of recombinant proteins.

COMPOSITIONS FOR BIOLOGICAL SYSTEMS AND METHODS FOR PREPARING AND USING THE SAME
20190328789 · 2019-10-31 ·

A method of making a composition for influencing biological growth includes obtaining a sample comprising human umbilical cord blood and having a first volume V.sub.UC, combining the sample with a quantity of PrepaCyte-CB or the equivalent having a volume V.sub.PC, wherein the ratio V.sub.UC/V.sub.PC is between about 0.60 and about 1.75 such that a supernatant is formed, layering within a container at least a portion of the supernatant over a layer of a reagent configured for isolating mononuclear cells, the at least a portion of the supernatant having a volume V.sub.S and the layer of the reagent having a volume V.sub.R, wherein the volume of the layer of the reagent V.sub.R is at least 67% the volume V.sub.S of the at least a portion of the supernatant, placing a sufficient centrifugal force on the contents of the container to cause at least a new layer substantially comprising mononuclear cells to form, combining at least some of the layer substantially comprising mononuclear cells with lactated Ringer's solution or the equivalent to create a mononuclear cell solution, determining the total number of live cells N.sub.L in at least a portion of the mononuclear cell solution, the at least a portion of the mononuclear solution having a volume V.sub.M, and adding a volume V.sub.D of Low Molecular Weight Dextran in Dextrose solution to the at least a portion of the mononuclear cell solution, the volume V.sub.D based at least in part on the total number of live cells N.sub.L.

MEDIA FOR CULTURING STEM CELLS

Well-defined, xeno-free culture media which comprise a TGF-beta isoform or the chimera formed between IL6 and the soluble IL6 receptor (IL6RIL6), which are capable of maintaining stem cells, and particularly, human embryonic stem cells, in an undifferentiated state are provided. Also provided are cell cultures comprising the culture media and the stem cells and methods of expanding and deriving embryonic stem cells in such well-defined, xeno-free culture media. In addition, the present invention provides methods of differentiating ESCs or EBs formed therefrom for the generation of lineage specific cells.

Methods and compositions for making antibodies and antibody derivatives with reduced core fucosylation

The invention provides methods and compositions for preparing antibodies and antibody derivatives with reduced core fucosylation.

Compositions for biological systems and methods for preparing and using the same

A composition for influencing biological growth includes a solution having a first volume and having low pH fluid base including dextrose, and albumin, wherein the concentration of albumin in the solution is between about 10 mg/ml and about 150 mg/ml.

COMPOSITION FOR PROMOTING GROWTH OF STEM CELLS COMPRISING PHYTOSPHINGOSINE-1-PHOSPHATE OR DERIVATIVES THEREOF, AND COMPOSITION FOR CULTURING MEDIA OF STEM CELLS COMPRISING SAME
20190292521 · 2019-09-26 · ·

The present application relates to a composition for promoting proliferation of adult stem cells further comprising phytosphingosine-1-phosphate (P1P), O-cyclic P1P (cP1P), N-acetylphytosphingosine-1-phosphate (NAPS-1-P), and a pharmaceutically acceptable salt thereof in a basal medium, a composition for culturing adult stem cells comprising the same, or a composition for a serum-free or low-serum culture medium of adult stem cells. When the stem cells are cultured using the composition of the present application, the proliferation promotion, activity and differentiation capacity of the stem cells can be improved, and the death of the stem cells against external stress can be prevented.

METHODS AND COMPOSITIONS FOR MAKING ANTIBODIES AND ANTIBODY DERIVATIVES WITH REDUCED CORE FUCOSYLATION

The invention provides methods and compositions for preparing antibodies and antibody derivatives with reduced core fucosylation.

METHOD OF CULTURING IMMUNE CELLS, KIT FOR THEREOF, IMMUNE CELL CULTURED MEDIUM OBTAINED BY SAME METHOD, COSMETIC COMPOSITION AND PHARMACEUTICAL COMPOSITION COMPRISING THEREOF
20190276803 · 2019-09-12 · ·

The present invention relates to a technology for culturing Natural Killer cells (NK cells) applied to immunotherapy, and more particularly, a kit for adding to the serum-free immune cell culturing medium capable of effectively amplifying and activating immune cells that have been left for one day or longer after blood sampling or have become much weakened, while culturing NK cells to remarkably increase the portion of NK cells therein, compared with conventional immune cell-culturing methods, a method for culturing immune cells, a serum-free immune cell cultured medium obtained by the culturing method, and a cosmetic composition and a pharmaceutical composition comprising the cultured medium.

EXPANSION AND DIFFERENTIATION OF STEM CELLS
20190275087 · 2019-09-12 ·

The disclosure relates to the expansion and differentiation of mesenchymal stem cells and bone marrow cells, including retention of stem cell plasticity during expansion and differentiation of stem cells to produce osteocytes, chondrocytes and other cells of the mesodermal lineage.

Synthetic attachment medium for cell culture

An aqueous cell culture medium composition includes an aqueous cell culture solution configured to support the culture of mammalian cells. The composition further includes a synthetic polymer conjugated to a polypeptide dissolved in the aqueous cell culture solution. The synthetic polymer conjugated to a polypeptide is configured to attach to the surface of a cell culture article under cell culture conditions. Incubation of the aqueous cell culture medium composition on a cell culture surface under cell culture conditions results is attachment to the surface of the synthetic polymer conjugated to the polypeptide.