The present invention relates to oligopeptide-free cell culture media comprising at least 0.5 mg/L of a polyamine and to methods for cultivating cells in said oligopeptide-free cell culture media comprising at least 0.5 mg/L of a polyamine. The invention also relates to methods for expressing at least one protein in a medium comprising at least 0.5 mg/L of a polyamine and to methods for producing at least one virus in a medium comprising at least 0.5 mg/L of a polyamine.

The invention relates to a method for preparing a liquid medium which is characterized by dissolving a desired component efficiently by controlling an amount of supplied oxygen, a liquid medium prepared by the preparation method, a method for culturing cells using the liquid medium prepared by the preparation method, a method for producing a physiologically active substance having desired quality using the culture method, and a physiologically active substance having desired quality produced by using the production method.

Provided herein is are methods of preventing loss of copper in a solution. The solution is a cell culture medium, cell culture feed or cell culture additive comprising copper (II) and cysteine. The method comprises having substantially the same amount of soluble copper before and after filtering the solution. Also provided are methods of preparing a cell culture medium, cell culture feed or cell culture additive comprising copper (II), cysteine, and other components, without loss of soluble copper. Also provided are methods of culturing a cell or making a biological product comprising use of media prepared according to said methods of preventing loss of copper or preparing said media. Further provided is media prepared according to said methods and use of such media.

A cell culture medium comprising adenosine triphosphate; a carrier protein; cholesterol, linoleic acid, and lipoic acid; glutathione; at least one nucleotide salvage pathway precursor base; phosphoethanolamine; selenium; transferrin; triiodothyronine; all-trans-retinoic acid (ATRA) and vitamin C; zinc, magnesium, and copper; an agent that increases intracellular cAMP; epidermal growth factor (EGF); hydrocortisone; insulin; and charcoal stripped fetal bovine serum, wherein said cell culture medium is substantially free, if not entirely free, of vitamin D, androgenic hormones, androgenic ligands, estrogenic hormones, estrogenic ligands, and/or androgenic receptors.

The present invention relates to a composition comprising serotonin which is to be added into the wash solution for incubating the sperms during and after washing, intended for increasing the sperm velocity in insemination and in vitro fertilization methods to select healthy sperms and increase the success in fertilization, said invention discloses the composition increasing the sperm velocity, comprising 8 parts of serotonin, 10 000 parts of vitamin B9, 10 000 parts of vitamin B12, 10 000 parts of vitamin C, 10 000 parts of vitamin D, 10 000 parts of vitamin E, 10 000 parts of zinc mineral and 10 000 parts of selenium mineral by weight in an HTF based sperm wash medium containing Hepes buffer, and the preparation steps thereof.

The present invention pertains to a cell culture medium comprising manganese as a media supplement, which was shown to control recombinant protein glycosylation and methods of using thereof. The present invention further pertains to a method of controlling or manipulating glycosylation of a recombinant protein of interest in a large scale cell culture.

The present invention pertains to a cell culture medium comprising copper as a media supplement, which was shown to control recombinant protein glycosylation and methods of sing thereof. The present invention further pertains to a method of controlling or manipulating glycosylation of a recombinant protein of interest in a large scale cell culture.

The disclosure relates to methods for handling and supplementation of cell culture medium to improve process performance in eukaryotic recombinant expression systems.

A method is disclosed for coating and patterning hydrogels in order to modify surface properties. The method exploits the water content of the hydrogel and the hydrophobicity of the reaction solvent to create a thin oxide adhesion layer on the hydrogel surface. This oxide adhesion layer enables rapid transformation of the hydrophilic, cell non-adhesive hydrogel into either a highly hydrophobic or a cell-adhesive hydrogel by reaction with an alkylphosphonic acid or an α,ω-diphosphonoalkane, respectively. Also disclosed are coated, patterned hydrogels and constructs comprising the coated, patterned hydrogels.

The present invention pertains to a cell culture medium comprising copper as a media supplement, which was shown to control recombinant protein glycosylation and methods of sing thereof. The present invention further pertains to a method of controlling or manipulating glycosylation of a recombinant protein of interest in a large scale cell culture.