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105 results about "Hair Papilla" patented technology

The portion at the base of the hair follicle containing blood vessels and the matrix.

Preparation method of tissue engineering skin containing hair follicles

InactiveCN101775366APerfect development conditionsOvercoming small quantitiesEpidermal cells/skin cellsPharmaceutical delivery mechanismEpitheliumCuticle
The invention relates to a preparation method of tissue engineering skin containing hair follicles. In the invention, tissue engineering hair follicles are evenly inoculated in a tissue engineering dermal layer formed by compounding a bracket material and cells, then the tissue engineering dermal layer is covered by epidermal cells, and the tissue engineering skin containing the hair follicles is formed after culture; the invention overcomes the defects of little number of the hair follicles in the skin, no uniformity and uncontrollable quantity of the hair follicles caused by mixed injection formerly, and the prepared tissue engineering skin contains an epidermis, dermis and hair follicle type tissue structure, wherein the number of the hair follicles approaches to the natural number, the hair follicles are evenly distributed in artificial pores and develop continuously after in-vitro culture and transplantation, a multi-layer concentric circle structure is formed, an inner layer is hair papilla cells wrapt by micro-capsule membranes, and an outer layer is epithelium class cells; and the skin cultured in vitro or transplanted in vivo finally forms functional skin containing a hair follicle accessory structure, and the regeneration of the hair follicles after skin transplantation can be realized.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY +1

Preparation method of tissue engineering skin containing appendant organs

The invention relates to a preparation method of tissue engineering skin containing appendant organs. In the invention, the preparation method comprises the following steps of: inoculating amniotic mesenchyme stem cells, amniotic mesenchyme stem cells induced to the directions of hair papillae, amniotic epithelial cells and amniotic epithelial cells induced to the directions of the epithelia of the sweat gland into a gel solution, then inoculating the amniotic epithelial cells and the amniotic epithelial cells induced by keratinocyte in a warp direction on the surface of a structure of the hair follicle and the sweat gland after culturing by a dermal layer by induced culture forming the structure of the hair follicle and the sweat gland, and obtaining the tissue engineering skin with the structure of the hair follicle and the sweat gland after culturing. The skin has elasticity, toughness, vigorous cellular metabolism, strong multiplication capacity, sufficient secretion of extracellular matrices, tight linkage of the cuticular layer, the inophragma and the cells of the dermal layer and little possibility of falling off, enhances the success rate of transplantation, can promote the healing of a wound surface, enhances the effects of restoration and replacement and has the function of regulating the immunological rejection of a receptor; by the contained structure of the hair follicle and the sweat gland, the function of the skin is more complete; the adopted amniotic tissues are postpartum wastes and have extensive source, strong cell multiplication capability and multiplepassage frequency; and the invention is beneficial to the mass production of seed cells and lowers the industrialization cost.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY +1

External composition for preventing alopecia and promoting hair growth and preparation method thereof

The invention discloses an external composition for preventing alopecia and promoting hair growth and a preparation method thereof. The method comprises the following raw materials including adenosine, glycyrrhetinic acid, apple polyphenol, baicalin, alcohol and water. The method has the advantages that since hair papilla cells positioned at the central bottoms of hair follicles generate and release proliferation factors, the proliferation and differentiation of hair follicle epithelial stem cells are influenced, and therefore the hair cycle is controlled; the baicalin can maintain the derivatization ability of the hair follicles, the adenosine can improve the proliferation of the hair papilla cells, the glycyrrhetinic acid can prevent the apoptosis of the hair papilla cells, and the applepolyphenol, especially dimers thereof, can promote the differentiation and growth of keratinocytes and protein synthesis. All raw materials of the external composition for preventing alopecia and promoting hair growth are organically combined together, correspondingly the number of the hair follicles can be effectively increased, the vitality of the hair papilla cells in the hair follicles can bemaintained, and the effects of integrally promoting the hair growth and reducing the hair loss are thus achieved.
Owner:星购(天津)科技有限公司

Application of hair follicle stem cell-derived exosome in promoting hair follicle stem cell proliferation and differentiation into hair follicle cells

The invention discloses application of a hair follicle stem cell-derived exosome in promoting hair follicle stem cell proliferation and differentiation into hair follicle cells. It is found that the exosome derived from the hair follicle stem cells can enter recipient cells, and can promote proliferation of the hair follicle stem cells and dermal papillae cells, wherein the hair follicle stem cell-derived exosome stimulated by melatonin has a more obvious effect of promoting hair follicle stem cell proliferation. It is further found that the hair follicle stem cell-derived exosome can promotemigration of hair follicle stem cells and dermal papillae cells, and the migration promoting effect of the melatonin-stimulated hair follicle stem cell-derived exosome is more obvious. The hair follicle stem cell-derived exosome can promote the expression of hair follicle development-related genes of hair follicle stem cells and dermal papillae cells so as to promote the differentiation of the hair follicle stem cells into the hair follicle cells, and the melatonin-stimulated hair follicle stem cell-derived exosome has a more obvious effect of promoting the proliferation and differentiation ofthe hair follicle stem cells.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Application of leech to nursing of hair or scalp of head, composition and preparation method

ActiveCN102188359AAchieve hair growthRealize hair careCosmetic preparationsHair cosmeticsAlopecia treatmentHirudin
The invention belongs to the field of cosmetics and relates to novel application of leech, i.e. application of the leech to nursing of hair or scalp of a head, a composition which is prepared by using the leech as the main raw material and is used for nursing the hair or the scalp of the head, and a preparation method of the composition. For the novel application of the leech, the effects of hirudin on activating blood, dissolving stasis, promoting blood circulation and removing obstruction in channels are utilized for nursing the hair or the scalp of the head, so that blood circulation of the head is strengthened, the blood flow is enhanced, the scalp is nourished, capillary waste of the scalp is removed, melanin is timely conveyed for hair papilla and the hair is blackened and brightened. A research process also shows that the hirudin has capabilities of promoting the metabolism of the scalp, activating hair follicle tissues and strengthening hair roots so as to achieve the effects on hair promotion, hair nourishment and alopecia prevention, fundamentally improve the physiological status of the hair, promote the hair growth and integrate three effects on alopecia prevention, alopecia treatment and hair growth into a whole; and the hirudin also has an effect of repairing damaged hair, so that the hair becomes smooth and tenacious.
Owner:CHONGQING DUOPUTAI PHARMA

Hair growth liquid containing dermal papilla cell-derived exosome and preparation method thereof

The invention relates to a hair growth liquid containing a dermal papilla cell-derived exosome and a preparation method thereof. The hair growth liquid comprises dermal papilla cell-derived exosome nanoparticles, a stabilizer, a humectant, a scalp absorption promoter, an antioxidant and water. According to the hair growth liquid, the exosome nanoparticles derived from the dermal papilla cells areused as main functional components, and a stabilizer, a humectant, a scalp absorption promoter, an antioxidant and the like are matched, so that the efficacy of the exosome nanoparticles derived fromthe dermal papilla cells can be maximized. According to the invention, the exosome is freeze-dried into powder, and then the powder is made into nano-particles to be applied to the hair growth liquid;according to the invention, high transdermal rate, good stability and good technical effect can be obtained through normal use; and the stabilizer and the scalp absorption promoter are added so as toprovide the synergistic effect with the exosome nanoparticles derived from the dermal papilla cells in increasing the transdermal rate and the stability. Compared with the common drug minoxidil in the prior art, the hair growth liquid has equivalent or better effects and high bio-safety.
Owner:南京元荟生物科技有限公司

Preparation method of hair follicle generation promoting liquid based on umbilical cord mesenchymal stem cell exosome

The invention discloses a preparation method of a hair follicle generation promoting liquid based on an umbilical cord mesenchymal stem cell exosome, which comprises the following steps: S1, disinfecting and pretreating an umbilical cord tissue sample, cutting the umbilical cord tissue sample into tissue fragments, and preserving the tissue fragments for later use; S2, adding a modified DMEM culture solution, placing the culture solution in a constant-temperature incubator, changing a half amount of the solution once every 2 days, and changing a full amount of the solution once every 3 days after three times; S3, carrying out passage multiplication culture; S4, performing extraction to obtain the umbilical cord mesenchymal stem cell exosome; S5, collecting fifth-generation umbilical cord mesenchymal stem cells; and S6, performing mixed culture on the umbilical cord mesenchymal stem cell exosome obtained in the S4, the fifth-generation umbilical cord mesenchymal stem cells obtained in the S5 and hair papilla cells to obtain the hair follicle generation promoting liquid. The hair follicle generation promoting liquid can effectively improve hair follicle degeneration, atrophy, alopecia, alopecia areata and other symptoms, and has the remarkable and more durable hair regeneration promoting effect.
Owner:深圳市莱利赛生物科技有限公司
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