WO2007062387B1 - Hair grafts derived from plucked hair - Google Patents
Hair grafts derived from plucked hairInfo
- Publication number
- WO2007062387B1 WO2007062387B1 PCT/US2006/061193 US2006061193W WO2007062387B1 WO 2007062387 B1 WO2007062387 B1 WO 2007062387B1 US 2006061193 W US2006061193 W US 2006061193W WO 2007062387 B1 WO2007062387 B1 WO 2007062387B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- graft
- hair
- protectant
- cells
- scaffold
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
- A61K35/36—Skin; Hair; Nails; Sebaceous glands; Cerumen; Epidermis; Epithelial cells; Keratinocytes; Langerhans cells; Ectodermal cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/3604—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix characterised by the human or animal origin of the biological material, e.g. hair, fascia, fish scales, silk, shellac, pericardium, pleura, renal tissue, amniotic membrane, parenchymal tissue, fetal tissue, muscle tissue, fat tissue, enamel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/38—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells
- A61L27/3804—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells characterised by specific cells or progenitors thereof, e.g. fibroblasts, connective tissue cells, kidney cells
- A61L27/3813—Epithelial cells, e.g. keratinocytes, urothelial cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/38—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells
- A61L27/3886—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix containing added animal cells comprising two or more cell types
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/58—Materials at least partially resorbable by the body
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0625—Epidermal cells, skin cells; Cells of the oral mucosa
- C12N5/0627—Hair cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00747—Dermatology
- A61B2017/00752—Hair removal or transplantation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/12—Materials from mammals; Compositions comprising non-specified tissues or cells; Compositions comprising non-embryonic stem cells; Genetically modified cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/18—Materials or treatment for tissue regeneration for hair reconstruction
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2502/00—Coculture with; Conditioned medium produced by
- C12N2502/13—Coculture with; Conditioned medium produced by connective tissue cells; generic mesenchyme cells, e.g. so-called "embryonic fibroblasts"
- C12N2502/1323—Adult fibroblasts
Abstract
The present invention is a hair graft derived from a plucked hair comprising a plucked hair having adhered epidermal stem cells and associated follicular dermal cells. The present invention also includes methods of making a hair graft, methods of implanting a hair graft and methods of identifying inductive follicular dermal cells.
Claims
1. A hair graft comprising at least one plucked hair having adhered epidermal stem cells and follicular dermal cells associated with the epidermal stem cells.
2. The graft of claim 1, wherein the follicular dermal cells are dermal papilla or dermal sheath cells.
3. The graft of claim 13 further comprising a bioabsorbable scaffold.
4. The graft of claim 3, wherein the bioabsorbable scaffold is a hollow filament having an inner lumen,
5. The graft of claim 4, wherein the plucked hair is located within the inner lumen.
6. The graft of claim 4, wherein the hollow filament has one closed end.
7. The graft of claim 4, wherein the hollow filament has two open ends.
8. The graft of claim 4, further comprising a protectant contained within the inner lumen of the filament.
9. The graft of claim 8, wherein the protectant is a fibrous material, a gel-forming material or a porous material.
10. The graft of claim 8, wherein the protectant is selected from the group consisting of collagen;, gelatin, cellulose derivatives, starch, dextrin, chitosan, lipoproteins, recombinant human forms of collagen and gelatin, fibrinogen, fibrin, fibronectin, laminin, albumin, serum, polysaccharides, mucopαlysaccarides, and combinations thereof.
11. The graft of claim 9, wherein the gel-forming material is selected from die group consisting of collagen, gelatin, albumin, laminin, heparin sulfate proteoglycans,
AMENDED SHEET (ARTICLE 19) 23 entactin, ethylene oxide, propylene oxide, polyethylene glycol molecules with end groups that covalently react to form gel networks and combinations thereof.
12. The graft of claim 10, wherein the gel-forming material comprises a copolymer of ethylene and propylene oxide, wherein the copolymer hydrophilically coats the inner surface to form a gel when the graft is placed in a warm environment,
13. The graft of claim 105 wherein the protectant is crosslinked.
14. The graft of claim 3, wherein the bioabsorbable scaffold further comprises at least one moiety associated with the scaffold.
15. The graft of claim 14, wherein the moiety is selected from the group consisting of a growth factor, an angiogenesis factor, a cell attachment binding site moiety, a cell signaling molecule, a small molecule, a glycoprotein, a bioactive molecule and combinations thereof,
16. A hair graft comprising at least one plucked hair having adhered epidermal stem cells, the at least one plucked hair located within a bioabsorbable scaffold, wherein the bioabsorbable scaffold contains a protectant and a plurality of follicular dermal cells,
17. A method of making a hair graft comprising at least one plucked hair from at least one hair follicle and incubating the at least one plucked hair with follicular dermal cells to form a hair graft, wherein the at least one plucked hair has adhered epidermal stem cells.
18. The method of claim 17, wherein the follicular dermal cells are dermal papilla cells.
19. The method of claim 17, wherein the at least one plucked hair and follicular dermal cells are incubated in a scaffold having an inner lumen.
20. The method of claim 19, wherein the scaffold is bioabsorbable.
AMENDED SHEET (ARTICLE 19)
21. The method of claim 19, further comprising a protectant located within the scaffold.
22. The method of claim 21, wherein the follicular dermal cells are located within the protectant,
23. A method of implanting a hair graft comprising creating a wound in skin of a subject and implanting the hair graft of claim 1 into the wound.
24. The method of claim 23, further comprising placing a protectant into the wound.
25. The method of claim 24, wherein the protectant is serum, plasma or a combination thereof.
26. The method of claim 23, wherein the hair graft further comprises a bioabsorbable scaffold.
27. The method of claim 23, wherein the bioabsorbable scaffold further comprises a moiety associated with the scaffold.
28. The method of claim 27, wherein the moiety is a selected from the group consisting of a growth factor, an angiogenesis factor, a cell attachment binding site moiety 5 a cell signaling molecule, a small molecule, a polypeptide, a glycoprotein, a bioactive molecule and combinations thereof.
29. The method of claim 23, wherein the at least one plucked hair is from the subject
30. The method of claim 26, wherein the follicular dermal cells are from the subject,
31. A method of implanting a hair graft comprising a) loading a syringe with a protectant; b) loading the hair graft of claim 1 into a hypodermic needle; and c) injecting the hair graft and the protectant into the subject.
32. The method of claim 313 wherein the hair graft and the protectant is injected into the uppermost fat layer of the skin.
AMENDED SHEET (ARTICLE 19)
25
3. A method for identifying inductive follicular dermal cells comprising incubating at least one plucked hair having adhered epidermal stem cells in follicular dermal cells, wherein the epidermal stem cells selectively attract follicular dermal cells capable of inducing follicular neogenesis.
AMENDED SHEET (ARTICLE 19)
26
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73888105P | 2005-11-22 | 2005-11-22 | |
US60/738,881 | 2005-11-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2007062387A2 WO2007062387A2 (en) | 2007-05-31 |
WO2007062387A3 WO2007062387A3 (en) | 2007-11-22 |
WO2007062387B1 true WO2007062387B1 (en) | 2008-01-24 |
Family
ID=38068048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2006/061193 WO2007062387A2 (en) | 2005-11-22 | 2006-11-22 | Hair grafts derived from plucked hair |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070122387A1 (en) |
AR (1) | AR057628A1 (en) |
TW (1) | TW200803877A (en) |
WO (1) | WO2007062387A2 (en) |
Cited By (1)
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US9023380B2 (en) | 2005-11-22 | 2015-05-05 | Aderans Research Institute, Inc. | Hair follicle graft from tissue engineered skin |
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-
2006
- 2006-11-22 AR ARP060105128A patent/AR057628A1/en unknown
- 2006-11-22 TW TW095143292A patent/TW200803877A/en unknown
- 2006-11-22 US US11/603,818 patent/US20070122387A1/en not_active Abandoned
- 2006-11-22 WO PCT/US2006/061193 patent/WO2007062387A2/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9023380B2 (en) | 2005-11-22 | 2015-05-05 | Aderans Research Institute, Inc. | Hair follicle graft from tissue engineered skin |
Also Published As
Publication number | Publication date |
---|---|
AR057628A1 (en) | 2007-12-05 |
US20070122387A1 (en) | 2007-05-31 |
WO2007062387A3 (en) | 2007-11-22 |
WO2007062387A2 (en) | 2007-05-31 |
TW200803877A (en) | 2008-01-16 |
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