WO2007062387B1 - Hair grafts derived from plucked hair - Google Patents

Hair grafts derived from plucked hair

Info

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
Application number
PCT/US2006/061193
Other languages
French (fr)
Other versions
WO2007062387A3 (en
WO2007062387A2 (en
Inventor
Stephen A Cochran
Bryan Marshall
Thomas H Barrows
Yandong Su
Robyn Schlicher
Original Assignee
Aderans Res Inst Inc
Stephen A Cochran
Bryan Marshall
Thomas H Barrows
Yandong Su
Robyn Schlicher
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aderans Res Inst Inc, Stephen A Cochran, Bryan Marshall, Thomas H Barrows, Yandong Su, Robyn Schlicher filed Critical Aderans Res Inst Inc
Publication of WO2007062387A2 publication Critical patent/WO2007062387A2/en
Publication of WO2007062387A3 publication Critical patent/WO2007062387A3/en
Publication of WO2007062387B1 publication Critical patent/WO2007062387B1/en

Links

Classifications

    • 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
    • A61K35/36Skin; Hair; Nails; Sebaceous glands; Cerumen; Epidermis; Epithelial cells; Keratinocytes; Langerhans cells; Ectodermal cells
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/36Materials 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
    • A61L27/3604Materials 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/36Materials 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
    • A61L27/38Materials 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
    • A61L27/3804Materials 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
    • A61L27/3813Epithelial cells, e.g. keratinocytes, urothelial cells
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/36Materials 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
    • A61L27/38Materials 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
    • A61L27/3886Materials 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/50Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
    • A61L27/58Materials at least partially resorbable by the body
    • 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
    • C12N5/0625Epidermal cells, skin cells; Cells of the oral mucosa
    • C12N5/0627Hair cells
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743Type of operation; Specification of treatment sites
    • A61B2017/00747Dermatology
    • A61B2017/00752Hair removal or transplantation
    • 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2430/00Materials or treatment for tissue regeneration
    • A61L2430/18Materials or treatment for tissue regeneration for hair reconstruction
    • 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
    • C12N2502/00Coculture with; Conditioned medium produced by
    • C12N2502/13Coculture with; Conditioned medium produced by connective tissue cells; generic mesenchyme cells, e.g. so-called "embryonic fibroblasts"
    • C12N2502/1323Adult 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

19 November 2007 (19.11.2007)CLAIMSWhat is claimed is:
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
PCT/US2006/061193 2005-11-22 2006-11-22 Hair grafts derived from plucked hair WO2007062387A2 (en)

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)

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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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US20070122387A1 (en) 2007-05-31
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TW200803877A (en) 2008-01-16

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