The present disclosure discloses preparation of M. alpina CCFM698 thalli and application thereof in a feed additive, and belongs to the field of biological engineering and feed additives. The total fatty acid content of the M. alpina dried thalli obtained by the present disclosure is 30%-40% by weight of the dried thalli, and the EPA content is 24% or more by weight of total fatty acids. The dosage of the dried thalli in the feed in the disclosure is 0.5-1.5% of the total weight of the basal feed. The thallus feed additive is reasonable in fatty acid composition and very high in EPA content and can be used for producing high-DHA eggs which are beneficial to body health of eaters. The DHA content in each of eggs laid by laying hens fed with the feed containing the feed additive of the present disclosure reaches about 120 mg which is obviously higher than that in the prior art.

Methods of culturing microalgae in acetate toxicity conditions to induce the uptake of acetate, control contamination, increase the metabolic rate, increase the respiration rate, increase the accumulation of lipids, and decreasing the accumulation of protein are disclosed. Embodiments include methods of controlling the internal microalgae cell acetate concentration by manipulating the culture pH and residual acetate concentration.

Artificial cervical fluid is disclosed that contains a mucilaginous extract from the okra plant. The mucilaginous extract can be produced using a hot aqueous extractant or cold extraction process followed by separation of larger particles from the extract. The extract finds many uses, for example as a sperm storage medium, a sperm freezing medium, a sexual lubricant, an artificial insemination medium, an in vitro fertilization medium, and methods for treating and/or preventing infection, replication, and transmission of viruses, such as sexually transmitted viruses.

The production and use of extracellular matrix or conditioned medium compositions and more specifically to compositions obtained by culturing cells under hypoxic conditions on a surface in a suitable growth medium.

The present disclosure provides methods and compositions for bioremediating solid petrochemical-containing scrap into biomass.

The present invention relates to methods of modulating (e.g., reducing) the mannose content, particularly high-mannose content of recombinant glycoproteins.

[Summary]

The present invention relates to the establishment of a cell line having immune tolerance property using an optimal temperature profiling technique under a human body-like environment, and use thereof. Specifically, the present invention relates to a method for preparing trophoblast cells consecutively secreting and expressing HLA-G proteins; a method for preparing stem cells consecutively secreting and expressing HLA-G proteins; stem cells consecutively secreting and expressing HLA-G proteins, prepared by the aforementioned preparation method; a method for preparing a culture medium of stem cells consecutively secreting and expressing HLA-G proteins; a culture medium of stem cells consecutively secreting and expressing HLA-G proteins, prepared by the aforementioned preparation method; and an anti-aging or antioxidant composition comprising the culture medium as an active ingredient.

The novel trophoblast cell line and the stem cell line established in the present invention can exhibit immune tolerance property as they consecutively secret and express HLA-G proteins, and the culture medium of the stem cells contains a large amount of proteins capable of recovering various physiological functions and extracellular vesicles, and thus, the novel cell line or a culture medium thereof can be effectively used in various industries such as medicines and cosmetics.

Production of etanercept using perfusion methods achieves attractive yields of properly folded protein. Desired temperature, feed media, titers and percent correctly folded protein are disclosed.

Methods for culturing cells, compositions comprising the cell culture product, and applications for the compositions are described. Methods include culturing cells with a media that includes a catalyst compound, which can include a stilbene or a nicotinamide compound, so as to control the secretome of the cells. Compositions that include the cell culture product include the cell secretome or components thereof in conjunction with at least one catalyst compound. Products can be utilized as a cell culture media or can be utilized in therapeutic applications.

An umbilical cord mesenchymal stern cells (MSCs) and culture method and application thereof, which comprises an MSCs culture step comprising the following substeps: primary culture: culturing Wharton's jelly of an umbilical cord in a serum-free medium under a hypoxic condition; subculture: collecting P1 primary cells to prepare a single cell suspension which is centrifuged to obtain a cell pellet; adding a serum-free medium to the cell pellet, culturing under a hypoxic condition until passage, and continuously culturing up to P2-P3; adding a ligustrazine hydrochloride and a Shenmai injection during each subculture, digesting cells grown to a predetermined fusion degree, and collecting the cells cultured to P6; phenotypic test: testing the phenotype of the collected cells for later use. An MSCs preparation cultured by the method reduces easy aggregation of stem cells, thus avoiding cell adhesion, rouleau formation of red cells and cell cluster embolism after intravenous infusion into human bodies.