Cosmetic composition comprising culture solution of mesenchymal stem cells cultured in hpl-containing medium
A technology of platelet lysate and cosmetic composition, which is applied in the direction of medical preparations containing active ingredients, cosmetics, drug combinations, etc., can solve problems such as unpleasant smell, cosmetic discoloration, and limited use, so as to improve skin elasticity and improve wrinkles Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
preparation example Construction
[0034]The present invention provides a preparation method of mesenchymal stem cell culture fluid rich in growth factors and cytokines, comprising: step 1), culturing mesenchymal stem cells in a culture medium containing human platelet lysate; step 2), obtaining cultured The stem cells are then cultured in a serum-free medium; and in step 3), the culture fluid derived from the mesenchymal stem cells is collected and filtered to obtain the stem cell culture fluid.
[0035] The "human platelet lysate" in the present invention is a turbid light yellow liquid obtained by freezing / thawing human platelets. Platelet freezing / thawing releases the large amounts of growth factors needed for cell expansion by lysing the platelets.
[0036] In the present invention, "stem cell culture fluid" refers to a substance containing components contained in a medium obtained by culturing stem cells, and the type of mesenchymal stem cells used to prepare the culture fluid is not limited. Stem cells ...
Embodiment 1
[0070] Example 1. Cultivating mesenchymal stem cells and collecting culture fluid in a medium comprising fetal bovine serum or human platelet lysate
[0071] 1.1 Obtaining bone marrow-derived monoclonal mesenchymal stem cells isolated by layer separation culture method
[0072] After the buttocks of a 35-year-old male bone marrow donor were anesthetized with a local anesthetic, the bone marrow was collected by inserting a needle into the iliac crest. In a 100 mm culture container, 10 ml of Duchenne's modified Eagle's medium (GIBCO-BRL, Life-technologies company, Minnesota, U.S.) containing 20% fetal bovine serum and 1% penicillin / streptomycin were put into a culture vessel. Put 3ml of human bone marrow at 37°C, 5% CO 2 Incubate for 2 hours in a cell culture incubator. After culturing, slightly tilt one end of the culture container, and move only the upper layer of the culture container to a new container as much as possible without detaching the cells attached to the botto...
Embodiment 2
[0076] Example 2. Analysis of Growth Factors Present in FBS-CM or hPL-CM by Protein Array Method
[0077] Cytokines present in FBS-CM and hPL-CM prepared by the same method as in Example 1 were analyzed. The analysis method is to use the analysis kit (Proteome Analyzer Human XL Cytokine Array Kit, R&D Company) that can be purchased through commercial channels to implement according to the instructions provided with the kit, and the observation after color development is performed using LAS4000 ( Fuji Corporation, Japan).
[0078] A serum-free medium cultured under the same conditions without cells was used as a control group, and FBS-CM and hPL-CM prepared by the same method as in Example 1 were used as an experimental group for comparison. The array map (ARRAY MAP) that can confirm the components contained in each stem cell culture medium is as follows: figure 1 and shown in Table 1. The relative content of each growth factor was confirmed by comparing and analyzing the sp...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com