CN101548988A - Injection for treating skin defects and preparation method thereof - Google Patents
Injection for treating skin defects and preparation method thereof Download PDFInfo
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- CN101548988A CN101548988A CNA2009100094633A CN200910009463A CN101548988A CN 101548988 A CN101548988 A CN 101548988A CN A2009100094633 A CNA2009100094633 A CN A2009100094633A CN 200910009463 A CN200910009463 A CN 200910009463A CN 101548988 A CN101548988 A CN 101548988A
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Abstract
The invention relates to injection for treating skin defects which takes cells as main component, and the content of cell component in every milliliter of filler used for injection is 10-50 million; the cell component is of at least one type of dermal fibroblast stem cells, fibroblast precursor cells and fibroblasts which are obtained by collecting skin of aborted fetus and excised foreskin of newborn after in vitro culture and proliferation through low serum or serum-free. The invention also provides a preparation method of the injection for treating skin defects. The invention has the advantages of immediate and obvious filling and repairing effects after injection, lasting curative effect, and simple and convenient treating procedures.
Description
Technical field
The present invention relates to a kind of tissue filling agent and preparation method thereof, more particularly, is a kind of injection for the treatment of skin injury and preparation method thereof.
Background technology
It is as repairing the main Therapeutic Method of soft tissue after damage that human body soft tissue is filled.19th-century is filled with regard to bringing into use paraffin, siloxanes.The jelly powder powder material has appearred again after the eighties of last century the eighties, but problem such as it is all effective in cure uncertain, and toxic and side effects is big.
After 1997, problem such as Isolagen adopts from the body fibroblast as Youth League organization's packing material, certain curative effect has been arranged, but existed produce effects slow, and curative effect is not remarkable.
Disclose a kind of injection of Wrinkle-and scar-removing among the Chinese patent 03155833.X, used autologous skin,, be made in a kind of injection in the Glucose Liquid, treated cicatrix and dispel wrinkle through in-vitro separation, cultivation and amplification.Because the biomaterial that this technology is used is taken from the patient from body, no rejection, effect is lasting, but the weak point of this technology is, the collagen content that can bring into play the filling of human body soft tissue and repair function in the injection immediately is lower, cause being expelled to and take effect behind cicatrix and the wrinkle place slowlyer, generally take 4-6 month; In addition, use animal serum also may have the problem of safety aspect as the composition of culture fluid.
We have invented in 2006 and have adopted from the one-tenth fiber precursor of body and the new packing material of hyaluronic acid formation, effectively improve simple fibroblast treatment and the slow defective of effect occurred, but the topmost effect of hyaluronic acid is a water conservation, a little less than the amplification of pair cell and the survival effect.
This patent is used aborted fetus skin or the neonate foreskin is originated as cell culture, and cytoactive is good, and therapist can obtain immediate treatment, is better than in the past autogenous cell and cultivates the bimestrial incubation time of needs wait and just can obtain medical treatment.
Summary of the invention
For the deficiency of the injection that overcomes above-mentioned treatment skin injury, the object of the present invention is to provide a kind ofly take effect immediately, the injection of curative effect is lasting, operation receiveing person's satisfaction is higher treatment skin injury.
Another object of the present invention provides the preparation method of this injection filler.
For achieving the above object, the present invention is by the following technical solutions:
A kind of injection for the treatment of skin injury, this filler mainly is made up of cell component, and the content of cell component is ten thousand of 1000-5000 in every milliliter of injection filler; Described cell component be skin with the foreskin of aborted fetus skin or neonate excision through external low serum or serum-free culture and amplification, collect the corium that obtains and become the fiber stem cell, become at least a in fiber precursor, the fibroblast.
Preferably, in filler of the present invention, described through cultivate with amplification after the corium collected to become the fiber stem cell, become the ratio of fiber precursor, fibroblastic quantity be 10-20: 50-70: 20-30.
Filler of the present invention is except cell component, can also contain some auxiliary elements, described auxiliary element can be this area common can join any or multiple composition in the filler, as from body collagen protein, vitamin, glucose, etc. ooze normal saline or the like.
The low blood serum medium that the present invention uses only need add 3%～5% hyclone, and traditional culture medium adds about 10% new-born calf serum usually, low blood serum medium does not have harmful effect for cell growth, propagation, form, activity and function, even makes moderate progress.
In addition, the present invention also provides a kind of preparation method of injection of described treatment skin injury, this method step is: adopt the skin of the foreskin of aborted fetus skin or neonate excision to carry out external low serum or serum-free culture and amplification, resulting corium is become the fiber stem cell, becomes fiber precursor, fibroblast to collect.
The skin histology that the present invention gathered is the skin of the foreskin of aborted fetus skin or neonate excision, comprises epidermis and corium simultaneously.
In filler preparation method provided by the present invention, the skin of foreskin of aborted fetus skin or neonate excision will be derived from, for example, the skin of 1-30 square millimeter, in low serum that has added somatomedin and active material or serum-free medium, carry out In vitro culture and amplification, obtain corium and become the fiber stem cell, become fiber precursor, fibroblast.
In described external low serum or serum-free culture and the amplification, the composition of described culture fluid can be this area basic culture solution commonly used, for example, can be referring to the relevant introduction (calendar year 2001 in " cell experiment guide ", Science Press publishes, the chief editor: D.L. Spector, Huang Peitang translation).Preferably, in external omnidistance serum-free culture and amplification procedure, also comprise somatomedin and active material in the culture fluid of use.Described somatomedin is for to be selected from: one or more in epithelium growth factor, the fibroblast growth factor; Described active material is selected from: one or more in hydrocortisone, the heparin.The content of described epithelium growth factor in culture fluid can be preferably 3 nanograms/milliliter for 1 to 5 nanograms/milliliter; The content of described fibroblast growth factor in culture fluid can be preferably 10 nanograms/milliliter for 2 to 20 nanograms/milliliter; The content of described hydrocortisone in culture fluid can be preferably 1 mcg/ml for 0.2 to 2 mcg/ml; The content of described heparin in culture fluid can be preferably 10 mcg/ml for 2 to 20 mcg/ml.Above-mentioned culture fluid and somatomedin and active material can be the commercially available prod that is selected from a company or a plurality of company (as the Cascade company of the U.S., Sigma company, Hyclne company etc.).
In filler preparation method provided by the present invention, described In vitro culture and amplification can be adopted common any In vitro culture and the amplification method that obtains autogenous cell that be used in this area, as tissue digestion culture method, tissue mass cell culture etc., preferably adopt tissue mass cell culture.
Further describe filler preparation method provided by the present invention below, but therefore the present invention is not subjected to any restriction.
1, skin is drawn materials
Disinfect the foreskin of aborted fetus skin or neonate excision in alcohol.With surgical scissors epidermis and dermal tissue are taken off, put into tissue and preserve liquid.
2, skin histology is cultivated pre-treatment
The skin histology piece is positioned in the culture dish cleans the epithelium position, remove subcutaneous tissue and fat then, skin histology is shredded skin chips into the 0.1-0.5 square millimeter, at last skin chips is tiled in the bottom surface of culture dish.Also can at first the skin histology piece be digested a period of time with trypsin solution, more postdigestive piece of tissue be shredded the bottom surface that is tiled in culture dish.
3, cells in vitro is cultivated
Comprise two steps of primitive cell culture and passage cell cultivation.
Former be commissioned to train foster: in the culture dish of the skin chips that tiles, add DMEM and low serum culture fluid and cultivate, make the cell amplification cultivation of can going down to posterity to the culture dish bottom surface of 50%-90%.
The cultivation of going down to posterity: on the former foster basis of being commissioned to train, add somatomedin (as epithelium growth factor, fibroblast growth factor etc.) and active material (as hydrocortisone, heparin etc.), cultivate 2-8 week, approximately cultivate and be expanded to 15,000,000-200,000,000 cells.
The content of epithelium growth factor in culture fluid can be preferably 3 nanograms/milliliter for 1 to 5 nanograms/milliliter; The content of described fibroblast growth factor in culture fluid can be preferably 10 nanograms/milliliter for 2 to 20 nanograms/milliliter; The content of described hydrocortisone in culture fluid can be preferably 1 mcg/ml for 0.2 to 2 mcg/ml; The content of described heparin in culture fluid can be preferably 10 mcg/ml for 2 to 20 mcg/ml.
Adopt this area cell culture condition commonly used get final product, as can being 37 ℃ with above-mentioned low serum or serum-free medium in temperature with the hypodermal cell (containing into fiber stem cell, one-tenth fiber precursor and fibroblast) of turning out from piece of tissue, 5% CO
2Cultivate in the cell culture incubator, changed in every 3-4 days and to state culture fluid once, until the content that obtains required cell component.
4, filler preparation
To cultivate quantity and meet the requirements of cell and at first use trypsin to carry out digestion process, and make it break away from the culture dish bottom surface, clean for several times the removal exogenous growth factor and active substance at the DMEM that uses no extrinsic protein.The cell collected and a small amount of collagen protein are directly joined 5% contain in the amino acid whose glucose injection, mixing is made into the injection filler again, and total number of cell component is ten thousand of 1000-5000 in every milliliter of injection filler.
The treatment step: the injection of solution that will contain cell is to therapentic part, make fill that turning white appears in the position and slight protuberance till, be expelled to and feel hardness slightly, turn white, injection process is finished.
Compared with prior art, the skin of injection human body of the present invention has more cytoactive, amplification property, produces fast at the injection part potential energy and fills reduce wrinkle and repairing effect; Subsequently, the cell component that contains in the injection filler can constantly secrete collagen protein, keeps the effect of filling and repairing.The injection of this treatment skin injury obvious filling and repairing effect can occur fast after injection, and curative effect is lasting.
Therefore, the injection of treatment skin injury of the present invention can be widely used in beauty treatment, improve in the filling and reparation of skin elasticity and gloss and other position and type, comprise and handle the various symptoms that cause owing to corium is damaged, for example facial wrinkles, cervical region wrinkle, depressed scar, striae gravidarum, the back of the hand wrinkle etc. also can be used for rich lip, strengthen dermis thickness and improve dermal matrix etc.
Description of drawings
Fig. 1 cultivates successful hypodermal cell morphology photo under 100 times of optical microscopes;
Fig. 2 is injection photo in Packaging Bottle of the treatment skin injury of a specific embodiment of the present invention.
Fig. 3 is the contrast photo before and after the specific embodiment treatment depressed scar of the present invention.
Fig. 4 and Fig. 5 are the contrast photos before and after the specific embodiment treatment wrinkle of the present invention,
Wherein Fig. 4 is a photo before the treatment of operation receiveing person's neck stricture of vagina, and Fig. 5 is operation receiveing person's neck stricture of vagina treatment back photo;
The specific embodiment
Further describe injection of treatment skin injury provided by the present invention and preparation method thereof below, but therefore the present invention is not subjected to any restriction.
Embodiment: the preparation of human soft tissue filler
One. from the extraction of body healthy skin sample
The foreskin specimen of alcohol disinfecting aborted fetus skin with 70% or neonate excision is put into tissue and is preserved in the liquid (the DMEM cell-preservation liquid is available from U.S. Hyclone company), send laboratory to separate, cultivate.
Two. the preparation of cell suspension
1. skin histology is cultivated pre-treatment: the skin histology piece is positioned over cleans the epithelium position in the culture dish, remove subcutaneous tissue and fat then, skin histology is shredded skin chips into the 0.1-0.5 square millimeter, at last skin chips is tiled in the bottom surface of culture dish.
2. primitive cell culture: in the culture dish of the skin chips that tiles, add the hyclone of DMEM and 3%, put into Forma CO
2In the 3131 type incubators, at 37 ℃, 5%CO
2Condition under cultivate, changed every 2～3 days and state culture fluid once, go down to posterity after compiling when primary cell reaches 80%.
3. passage cell is cultivated: adding epithelium growth factor on the former foster basis of being commissioned to train is 3 nanograms/milliliter, fibroblast growth factor 10 nanograms/milliliter, hydrocortisone 1 mcg/ml, heparin 10 mcg/ml, changed in every 3-4 days and state culture fluid once, cultivated for 4 weeks, approximately cultivate and be expanded to 1,500 ten thousand cells.
4. preparation injection: will cultivate quantity and meet the requirements of cell and at first use trypsin to carry out digestion process, and make it break away from the culture dish bottom surface, and re-use the DMEM cleaning 3 times of no extrinsic protein.The cell collected and a small amount of collagen protein are joined 5% contain in the amino acid whose glucose injection, and mixing is made into the injection filler, and total number of cell component is ten thousand of 1000-5000 in every milliliter of injection filler.
Virus detects: skin histology and the cell after 4 weeks of cultivation carry out the check of HIV and hepatitis virus, determine that this is virus-free cell.
The immunoreation test: the 4th week was carried out skin test (with penicillin skin test method), no immunoreation with the 0.1ml cell injection to the operation receiveing person.
Finished product detection:
1) outward appearance: cell and platelet injection are light yellow suspension.
2) cell divide calibrating in this product:
Become the fiber stem cell: (Huang Hui relies southwest, Wang Zhengguo, Wang Lili, " material is to the effect of epidermal stem cells migration and expression of receptor in the wound healing " to adopt the Brdu TPPA; " Chinese wound magazine " 2004; 20 (3) 142-145.Utilize the nuclear label), 10% one-tenth fiber stem cell is arranged in the product.
Become the fiber precursor: adopt the morphocytology method to observe (do morphological observation under 100 times of optical microscopes, its standard type is tiny long strand), 70% one-tenth fiber precursor is arranged in the product.
Fibroblast: adopt the morphocytology method to observe (do morphological observation under 100 times of optical microscopes, its standard type is to be to touch prominent long rope shape cell) more, 20% fibroblast is arranged in the product.
3) sterility test: undertaken by " Chinese biological goods rules " (2000 editions) general rule " biological product sterility test rules " A/B item, the result meets aseptic requirement.
Three. treatment
Be used for the forehead wrinkle, canthus fishtail line, neck wrinkle, all wrinkle and tiny wrinkles facial and other body part such as striae gravidarum; The little depressed scar that facial acne or chickenpox etc. stay; Treat 5 examples.
1. check before the therapist art that every index is all normal, comprising: hematuria is routine, electrocardiogram, hepatic and renal function, HIV, HbsAg just.
With the injection site with 70% alcohol disinfecting, the lignocaine anesthesia of local injection 1%.
3. standby in the syringe with 1ml filler suction 1ml.
4. get No. 4.5 long syringe needles of 2.2cm, adopt multiple spot inclined-plane (20 °～45 ° of the angles of syringe needle and skin), when injecting,, it is turned white, make the injection site leave the disperse space during injection injection site epidermis tension injection cell in the injection site.The injection of solution that will contain cell is to therapentic part, make fill that turning white appears in the position and slight protuberance till, be expelled to and feel hardness slightly, degree of blushing is more obvious, injection process is finished; The treatment depressed scar needs to peel away cicatrix layer and skin corium (or fat deposit) earlier with syringe, and the injection of solution that will contain cell again is to therapentic part, make fill that turning white appears in the position and slight protuberance till, be expelled to and feel hardness slightly, degree of blushing is more obvious, and injection process is finished.
The course of treatment: the injection site is injected 1 time altogether.
Four, clinical follow, nurse:
1. after the operation, apply injection place 2 hours with ice bag.
2. observe the situation of part and whole body: all are normal.
3. secondary oral vitamin C every day (each 200mg, every day is 400mg altogether) took 6 months.
4. postoperative was prevented tanning by the sun and the careful zest cosmetics of using in 3 days.
Five, effect is described
Wrinkle or cicatrix disappear substantially after injection or obviously shoal, and be respond well.Fig. 3 to Fig. 5 is seen in effect contrast before and after the injection.
Claims (8)
1. injection for the treatment of skin injury, this injection mainly is made up of cell component, and the content of cell component is ten thousand of 1000-5000 in every milliliter of injection; Described cell component is to become the fiber stem cell, become at least a in fiber precursor, the fibroblast with the corium that the skin of the foreskin of aborted fetus skin or neonate excision is collected after external low serum or serum-free culture and amplification.
2. the injection of treatment skin injury according to claim 1 is characterized in that: described through cultivate with amplification after the corium collected to become the fiber stem cell, become the ratio of fiber precursor, fibroblastic quantity be 10-20: 50-70: 20-30.
3. method for preparing the injection of any described treatment skin injury in the claim 1 to 2 may further comprise the steps:
(1) adopts the skin of the foreskin of aborted fetus skin or neonate excision to carry out external low serum or serum-free culture and amplification, collect resulting corium and become the fiber stem cell, become fiber precursor, fibroblast;
(2) injection of the treatment skin injury that the cell component of collecting is constituted; The content of cell component is ten thousand of 1000-5000 in every milliliter of this filler.
4. preparation method according to claim 3 is characterized in that: tissue mass cell culture is adopted in described low serum or serum-free In vitro culture and amplification.
5. preparation method according to claim 4 is characterized in that: added somatomedin and active material in described external low serum or serum-free culture and the amplification; Described somatomedin is selected from one or more in epithelium growth factor, the fibroblast growth factor, and described active material is selected from one or more in hydrocortisone, the heparin.
6. preparation method according to claim 5 is characterized in that: the content of described epithelium growth factor in culture fluid is 1 to 5 nanograms/milliliter; The content of described fibroblast growth factor in culture fluid is 2 to 20 nanograms/milliliter; The content of described hydrocortisone in culture fluid is 0.2 to 2 mcg/ml; The content of described heparin in culture fluid is 2 to 20 mcg/ml.
7. preparation method according to claim 6 is characterized in that: described epithelium growth factor is 3 nanograms/milliliter in culture fluid; The content of described fibroblast growth factor in culture fluid is 10 nanograms/milliliter; The content of described hydrocortisone in culture fluid is 1 mcg/ml; The content of described heparin in culture fluid is 10 mcg/ml.
8. be prepared into injection with cultured cells.Injection process is: the injection of cultured cell preparation is expelled to the position that needs filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100094633A CN101548988A (en) | 2009-02-25 | 2009-02-25 | Injection for treating skin defects and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100094633A CN101548988A (en) | 2009-02-25 | 2009-02-25 | Injection for treating skin defects and preparation method thereof |
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| CN101548988A true CN101548988A (en) | 2009-10-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580165A (en) * | 2012-03-29 | 2012-07-18 | 王继明 | Repairing agent for skin defect and preparation method thereof |
| CN106267353A (en) * | 2016-09-19 | 2017-01-04 | 广州市拜沃思生物科技有限公司 | A kind of fat stem cell filler and preparation method thereof |
| CN107823632A (en) * | 2017-11-10 | 2018-03-23 | 南京九圣生物科技股份有限公司 | A kind of mesenchymal stem cells MSCs parenteral solution and preparation method |
-
2009
- 2009-02-25 CN CNA2009100094633A patent/CN101548988A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580165A (en) * | 2012-03-29 | 2012-07-18 | 王继明 | Repairing agent for skin defect and preparation method thereof |
| CN106267353A (en) * | 2016-09-19 | 2017-01-04 | 广州市拜沃思生物科技有限公司 | A kind of fat stem cell filler and preparation method thereof |
| CN106267353B (en) * | 2016-09-19 | 2019-12-10 | 广州市拜沃思生物科技有限公司 | Adipose-derived stem cell filler and preparation method thereof |
| CN107823632A (en) * | 2017-11-10 | 2018-03-23 | 南京九圣生物科技股份有限公司 | A kind of mesenchymal stem cells MSCs parenteral solution and preparation method |
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Application publication date: 20091007 |