CN110496139A - A kind of biological agent for skin wounds reparation - Google Patents

A kind of biological agent for skin wounds reparation Download PDF

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Publication number
CN110496139A
CN110496139A CN201910880979.9A CN201910880979A CN110496139A CN 110496139 A CN110496139 A CN 110496139A CN 201910880979 A CN201910880979 A CN 201910880979A CN 110496139 A CN110496139 A CN 110496139A
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CN
China
Prior art keywords
biological agent
skin wounds
reparation
mesenchymal stem
stem cell
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CN201910880979.9A
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Chinese (zh)
Inventor
张鹏成
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Anhui Gate Biotechnology Co Ltd
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Anhui Gate Biotechnology Co Ltd
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Priority to CN201910880979.9A priority Critical patent/CN110496139A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/335Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/365Lactones
    • A61K31/366Lactones having six-membered rings, e.g. delta-lactones
    • A61K31/37Coumarins, e.g. psoralen
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7028Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
    • A61K31/7034Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K35/00Medicinal preparations containing materials or reaction products thereof with undetermined constitution
    • A61K35/12Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
    • A61K35/28Bone marrow; Haematopoietic stem cells; Mesenchymal stem cells of any origin, e.g. adipose-derived stem cells
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18Magnoliophyta (angiosperms)
    • A61K36/185Magnoliopsida (dicotyledons)
    • A61K36/81Solanaceae (Potato family), e.g. tobacco, nightshade, tomato, belladonna, capsicum or jimsonweed
    • A61K36/815Lycium (desert-thorn)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P17/00Drugs for dermatological disorders
    • A61P17/02Drugs for dermatological disorders for treating wounds, ulcers, burns, scars, keloids, or the like
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/06Animal cells or tissues; Human cells or tissues
    • C12N5/0602Vertebrate cells
    • C12N5/0652Cells of skeletal and connective tissues; Mesenchyme
    • C12N5/0662Stem cells
    • C12N5/0663Bone marrow mesenchymal stem cells (BM-MSC)
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2509/00Methods for the dissociation of cells, e.g. specific use of enzymes

Abstract

The invention discloses a kind of biological agents for skin wounds reparation, including mesenchymal stem cell, Osthole, polydatin, polysaccharides and solvent;The mesenchymal stem cell is 0.5 × 106‑5×106A/mL, Osthole are 1-2 μ g/mL, and polydatin is 0.5-1 μ g/mL, and polysaccharides is 20-30 μ g/mL.Biological agent of the invention can be used for skin wounds reparation, has excellent histocompatbility, will not cause immunological rejection, and Wound healing speed is fast, therapeutic effect is good.

Description

A kind of biological agent for skin wounds reparation
Technical field
The present invention relates to biologic product technology field more particularly to a kind of biological agents for skin wounds reparation.
Background technique
Skin is body and extraneous mechanical barrier, is often easy to happen damage, is difficult to the wound to heal for a long time once being formed Mouthful, people's lives and work quality will be seriously affected.Wound healing process can be divided into inflammatory reaction, granulation tissue increases Reconstruction process after raw, surface of a wound re-epithelialization and wound healing, metabolism, gene promoter comprising intraor extracellular substance etc. are a series of Biochemical processes.Currently, mainly having skin graft, skin substitutes and various biological agents for skin wounds reparation Deng.Mesenchymal stem cell can not only participate in the reparation of skin histology, promote Wound healing, and will not cause immunological rejection Reaction has good skin wounds reparative potential.But it is repaired using the skin of mesenchymal stem cell biological agent merely Reactivation power is limited, it is difficult to reach expected therapeutic effect.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of biology systems for skin wounds reparation Agent has excellent histocompatbility, will not cause immunological rejection, and Wound healing speed is fast, therapeutic effect is good.
A kind of biological agent for skin wounds reparation proposed by the present invention, including mesenchymal stem cell, cnidium monnieri Sub- element, polydatin, polysaccharides and solvent.
Preferably, the mesenchymal stem cell is 0.5 × 106-5×106A/mL, Osthole are 1-2 μ g/mL, Polydatin is 0.5-1 μ g/mL, and polysaccharides is 20-30 μ g/mL.
It is highly preferred that the mesenchymal stem cell is 3 × 106A/mL, Osthole are 1.8 μ g/mL, white black false hellebore Alcohol glycosides is 0.6 μ g/mL, and polysaccharides is 25 μ g/mL.
Preferably, the mesenchymal stem cell is P3-P5 generation.
Preferably, the molecular weight of the polysaccharides is 1-3 ten thousand.
Preferably, the solvent is PBS solution or physiological saline.
Preferably, the biological agent for skin wounds reparation the preparation method is as follows: the marrow that will be prepared Mescenchymal stem cell is resuspended to obtain cell suspension with solvent, and Osthole, polydatin and polysaccharides, mixing is then added Uniformly, the biological agent for skin wounds reparation is obtained.
Preferably, the preparation method of the mesenchymal stem cell includes the following steps:
S1, it takes myeloid tissue to be digested with trypsin solution in 37 DEG C of conditions, then is terminated and digested with serum free medium, from It is washed after the heart with D-Hanks liquid, is centrifuged again, cell is resuspended with D-Hanks liquid;
S2: the cell inoculation that step S1 is obtained is added serum free medium culture, more renews after 1-2d in culture bottle Fresh culture medium, every 2-3d replaces fresh culture later, when cell fusion reaches 80-90%, passes on, obtains according to 1:3 ratio To mesenchymal stem cell.
Preferably, in the step S1, the concentration of trypsin solution is 1.5-2.5%.
Preferably, in the step S2, condition of culture is 37 DEG C, 5%CO2
Beneficial effects of the present invention are as follows:
The present invention is compounded mesenchymal stem cell, Osthole, polydatin, polysaccharides to obtain skin The biological agent of wound reparation.Wherein, mesenchymal stem cell, Osthole, polydatin, polysaccharides cooperation, energy Efficient activation Wnt signal path, so that the healing rate of skin wounds is increased substantially, Osthole, polydatin, fructus lycii Polysaccharide can also improve the proliferation activity of mesenchymal stem cell by activation Wnt signal path, promote medulla mesenchyma dry thin Intracrine more facilitates the cell factor of Wound healing, further promotes the healing of skin wounds;Polysaccharides, resveratrol Glycosides cooperation, moreover it is possible to play the degeneration-resistant protective effect of cell, mitigate oxidative stress, improve mesenchymal stem cell in skin wounds The activity of survival rate, proliferation activity and secrete cytokines, so that enhancing mesenchymal stem cell promotes wound healing Effect;Polysaccharides can also inhibit proinflammatory factor TNF-α and IL-1 β to discharge, and reduce inflammatory factor level, inhibit the excessive of inflammation Occur, to further increase the reparation speed of wound, while reducing the formation of scar, improves wound repairing effect.The present invention Biological agent can overcome single mesenchymal stem cell biological agent for skin wounds reparation wound healing efficiency Low defect not only has excellent histocompatbility, will not cause immunological rejection, and can increase substantially wound Healing rate has good therapeutic effect.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of biological agent for skin wounds reparation, including mesenchymal stem cell, Osthole, resveratrol Glycosides, polysaccharides and solvent, wherein mesenchymal stem cell is 0.5 × 106A/mL, Osthole are 1 μ g/mL, white black false hellebore Alcohol glycosides is 0.5 μ g/mL, and polysaccharides is 20 μ g/mL.
Wherein, the molecular weight of polysaccharides is 10,000, and solvent is PBS solution.
Biological agent for skin wounds reparation the preparation method is as follows:
S1, it takes bone marrow of mice to be digested with the trypsin solution that concentration is 1.5% in 37 DEG C of conditions, then uses serum-free Culture medium terminates digestion, is washed after centrifugation with D-Hanks liquid, is centrifuged again, and cell is resuspended with D-Hanks liquid;
In culture bottle serum free medium is added at 37 DEG C in S2, the cell inoculation for obtaining step S1,5%CO2Condition Lower culture replaces fresh culture after 1d, and every 2d replaces fresh culture later, when cell fusion reaches 80%, according to 1:3 Ratio passage, obtains mesenchymal stem cell;
S3, P3 is resuspended to obtain cell suspension with solvent for mesenchymal stem cell, Osthole, white Chenopodiaceae is then added Reed alcohol glycosides and polysaccharides are uniformly mixed, obtain the biological agent for skin wounds reparation.
Embodiment 2
A kind of biological agent for skin wounds reparation, including mesenchymal stem cell, Osthole, resveratrol Glycosides, polysaccharides and solvent, wherein mesenchymal stem cell is 2 × 106A/mL, Osthole are 1.8 μ g/mL, white black false hellebore Alcohol glycosides is 0.6 μ g/mL, and polysaccharides is 24 μ g/mL.
Wherein, the molecular weight of polysaccharides is 20,000, and solvent is PBS solution or physiological saline.
Biological agent for skin wounds reparation the preparation method is as follows:
S1, it takes bone marrow of mice to be digested with the trypsin solution that concentration is 2% in 37 DEG C of conditions, then is trained with serum-free It supports base and terminates digestion, washed after centrifugation with D-Hanks liquid, be centrifuged again, cell is resuspended with D-Hanks liquid;
In culture bottle serum free medium is added at 37 DEG C in S2, the cell inoculation for obtaining step S1,5%CO2Condition Lower culture replaces fresh culture after 1d, and every 2d replaces fresh culture later, when cell fusion reaches 80%, according to 1:3 Ratio passage, obtains mesenchymal stem cell;
S3, P3 is resuspended to obtain cell suspension with solvent for mesenchymal stem cell, Osthole, white Chenopodiaceae is then added Reed alcohol glycosides and polysaccharides are uniformly mixed, obtain the biological agent for skin wounds reparation.
Embodiment 3
A kind of biological agent for skin wounds reparation, including mesenchymal stem cell, Osthole, resveratrol Glycosides, polysaccharides and solvent, wherein mesenchymal stem cell is 5 × 106A/mL, Osthole are 2 μ g/mL, resveratrol Glycosides is 1 μ g/mL, and polysaccharides is 30 μ g/mL.
Wherein, the molecular weight of polysaccharides is 30,000, and solvent is PBS solution or physiological saline.
Biological agent for skin wounds reparation the preparation method is as follows:
S1, it takes bone marrow of mice to be digested with the trypsin solution that concentration is 2.5% in 37 DEG C of conditions, then uses serum-free Culture medium terminates digestion, is washed after centrifugation with D-Hanks liquid, is centrifuged again, and cell is resuspended with D-Hanks liquid;
In culture bottle serum free medium is added at 37 DEG C in S2, the cell inoculation for obtaining step S1,5%CO2Condition Lower culture replaces fresh culture after 2d, and every 3d replaces fresh culture later, when cell fusion reaches 90%, according to 1:3 Ratio passage, obtains mesenchymal stem cell;
S3, P3 is resuspended to obtain cell suspension with solvent for mesenchymal stem cell, Osthole, white Chenopodiaceae is then added Reed alcohol glycosides and polysaccharides are uniformly mixed, obtain the biological agent for skin wounds reparation.
Comparative example 1
The difference of comparative example 1 and embodiment 1 are as follows: be free of Osthole, remaining raw material composition is all the same with preparation method.
Comparative example 2
The difference of comparative example 2 and embodiment 1 are as follows: be free of polydatin, remaining raw material composition is all the same with preparation method.
Comparative example 3
The difference of comparative example 3 and embodiment 1 are as follows: be free of polysaccharides, remaining raw material composition is all the same with preparation method.
Test example mouse skin wound repairing test
Back wool will be removed after 72 mouse anesthesias, forms the skin injury wound that diameter is 1.5cm at back with sterile cut Face.It is divided into 6 processing groups, each processing group 12 after modeling success.Wherein, 1 is handled: the biological agent of injection embodiment 1;Place Reason 2: the biological agent of injection embodiment 2;Processing 3: the biological agent of injection embodiment 3;Processing 4: the biology of injection comparative example 1 Preparation;Processing 5: the biological agent of injection comparative example 2;Processing 6: the biological agent of injection comparative example 3.Injecting method is as follows: enclosing Biological agent, every 100 μ l are injected around wound 5 injection methods of Zhou Caiyong.Mouse is put back in cage after end of operation and is raised, is freely drunk Food, and be observed continuously.Respectively at the 3rd, 7,10 day, each processing group surface of a wound image, Image-Pro are acquired using digital camera Plus 6.0 analyzes software and measures surface of a wound area.Wound healing rate: Wound healing rate={ (original wound is calculated using following formula The current surface of a wound area of face area -)/original surface of a wound area } × 100%.Test result is as shown in table 1:
1 each group Wound healing rate of table
As can be seen from the above table, biological agent of the invention has excellent wound healing effect, can increase substantially wound The Healing Rate in face.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of biological agent for skin wounds reparation, which is characterized in that including mesenchymal stem cell, frutus cnidii Element, polydatin, polysaccharides and solvent.
2. the biological agent according to claim 1 for skin wounds reparation, which is characterized in that the medulla mesenchyma Stem cell is 0.5 × 106-5×106A/mL, Osthole are 1-2 μ g/mL, and polydatin is 0.5-1 μ g/mL, and fructus lycii is more Sugar is 20-30 μ g/mL.
3. the biological agent according to claim 1 or 2 for skin wounds reparation, which is characterized in that between the marrow Mesenchymal stem cells are 3 × 106A/mL, Osthole are 1.8 μ g/mL, and polydatin is 0.6 μ g/mL, and polysaccharides is 25 μ g/mL。
4. the biological agent according to claim 1-3 for skin wounds reparation, which is characterized in that the bone Bone marrow-drived mesenchymal stem is P3-P5 generation.
5. the biological agent according to claim 1-4 for skin wounds reparation, which is characterized in that the Chinese holly The molecular weight of Qi polysaccharide is 1-3 ten thousand.
6. the biological agent according to claim 1-5 for skin wounds reparation, which is characterized in that described molten Agent is PBS solution or physiological saline.
7. the biological agent according to claim 1-6 for skin wounds reparation, which is characterized in that preparation side Method is as follows: the mesenchymal stem cell being prepared being resuspended to obtain cell suspension with solvent, Osthole, white is then added Veratryl alcohol glycosides and polysaccharides are uniformly mixed, obtain the biological agent for skin wounds reparation.
8. the biological agent according to claim 7 for skin wounds reparation, which is characterized in that the medulla mesenchyma The preparation method of stem cell includes the following steps:
S1, it takes myeloid tissue to be digested with trypsin solution in 37 DEG C of conditions, then is terminated and digested with serum free medium, after centrifugation It is washed with D-Hanks liquid, is centrifuged again, cell is resuspended with D-Hanks liquid;
S2, the cell inoculation for obtaining step S1 are added serum free medium culture, replace fresh training after 1-2d in culture bottle Base is supported, every 2-3d replaces fresh culture later, when cell fusion reaches 80-90%, passes on according to 1:3 ratio, obtains bone Bone marrow-drived mesenchymal stem.
9. the biological agent according to claim 8 for skin wounds reparation, which is characterized in that in the step S1, The concentration of trypsin solution is 1.5-2.5%.
10. the biological agent for skin wounds reparation according to claim 8 or claim 9, which is characterized in that the step S2 In, condition of culture is 37 DEG C, 5%CO2
CN201910880979.9A 2019-09-18 2019-09-18 A kind of biological agent for skin wounds reparation Pending CN110496139A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111012653A (en) * 2019-12-27 2020-04-17 衡欣实业有限公司 Skin restoration instrument based on yeast extraction cartridge bag

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HUI ZHAO ET AL: "Chapter 5 Dermatologic Uses and Effects of Lycium Barbarum", 《LYCIUM BARBARUM AND HUMAN HEALTH》 *
卞徽宁 等: "虎杖苷对成纤维细胞生物学特性的影响", 《中国组织工程研究》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111012653A (en) * 2019-12-27 2020-04-17 衡欣实业有限公司 Skin restoration instrument based on yeast extraction cartridge bag

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