KR20040072635A - 각막 상피형 시트, 및 그의 제조 방법 - Google Patents
각막 상피형 시트, 및 그의 제조 방법 Download PDFInfo
- Publication number
- KR20040072635A KR20040072635A KR10-2004-7007655A KR20047007655A KR20040072635A KR 20040072635 A KR20040072635 A KR 20040072635A KR 20047007655 A KR20047007655 A KR 20047007655A KR 20040072635 A KR20040072635 A KR 20040072635A
- Authority
- KR
- South Korea
- Prior art keywords
- cells
- sheet
- layer
- epithelial
- corneal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 72
- 210000004027 cell Anatomy 0.000 claims abstract description 152
- 210000002919 epithelial cell Anatomy 0.000 claims abstract description 107
- 210000001691 amnion Anatomy 0.000 claims abstract description 88
- 102000008186 Collagen Human genes 0.000 claims description 65
- 108010035532 Collagen Proteins 0.000 claims description 65
- 229920001436 collagen Polymers 0.000 claims description 65
- 210000000981 epithelium Anatomy 0.000 claims description 49
- 230000004888 barrier function Effects 0.000 claims description 17
- 238000012258 culturing Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 12
- 210000004379 membrane Anatomy 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 230000002062 proliferating effect Effects 0.000 claims description 9
- 239000001963 growth medium Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 238000002054 transplantation Methods 0.000 abstract description 33
- 239000000463 material Substances 0.000 abstract description 16
- 230000004069 differentiation Effects 0.000 abstract description 6
- 208000023715 Ocular surface disease Diseases 0.000 abstract description 4
- 230000001939 inductive effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 120
- 210000003560 epithelium corneal Anatomy 0.000 description 33
- 238000011282 treatment Methods 0.000 description 28
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 description 25
- 238000010186 staining Methods 0.000 description 24
- 210000001519 tissue Anatomy 0.000 description 17
- 239000002609 medium Substances 0.000 description 15
- 238000001356 surgical procedure Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 210000000130 stem cell Anatomy 0.000 description 11
- 102000011782 Keratins Human genes 0.000 description 10
- 108010076876 Keratins Proteins 0.000 description 10
- 230000007547 defect Effects 0.000 description 10
- 210000001508 eye Anatomy 0.000 description 10
- 239000006144 Dulbecco’s modified Eagle's medium Substances 0.000 description 9
- 102100025759 Keratin, type II cytoskeletal 3 Human genes 0.000 description 9
- 108010070918 Keratin-3 Proteins 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 7
- 241000283973 Oryctolagus cuniculus Species 0.000 description 7
- 210000005081 epithelial layer Anatomy 0.000 description 7
- 239000012091 fetal bovine serum Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 238000002513 implantation Methods 0.000 description 7
- 239000008363 phosphate buffer Substances 0.000 description 7
- 230000035755 proliferation Effects 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 102100040487 Keratin, type I cytoskeletal 13 Human genes 0.000 description 6
- NWIBSHFKIJFRCO-WUDYKRTCSA-N Mytomycin Chemical compound C1N2C(C(C(C)=C(N)C3=O)=O)=C3[C@@H](COC(N)=O)[C@@]2(OC)[C@@H]2[C@H]1N2 NWIBSHFKIJFRCO-WUDYKRTCSA-N 0.000 description 6
- 239000006285 cell suspension Substances 0.000 description 6
- 208000014674 injury Diseases 0.000 description 6
- 230000008733 trauma Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 5
- 108090000790 Enzymes Proteins 0.000 description 5
- 102100025758 Keratin, type II cytoskeletal 4 Human genes 0.000 description 5
- 108010065070 Keratin-13 Proteins 0.000 description 5
- 108010070921 Keratin-4 Proteins 0.000 description 5
- 241000519995 Stachys sylvatica Species 0.000 description 5
- 210000004087 cornea Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229940088598 enzyme Drugs 0.000 description 5
- 210000002826 placenta Anatomy 0.000 description 5
- 231100000241 scar Toxicity 0.000 description 5
- 230000004083 survival effect Effects 0.000 description 5
- 230000001225 therapeutic effect Effects 0.000 description 5
- 102100023970 Keratin, type I cytoskeletal 10 Human genes 0.000 description 4
- 102100023967 Keratin, type I cytoskeletal 12 Human genes 0.000 description 4
- 102100022905 Keratin, type II cytoskeletal 1 Human genes 0.000 description 4
- 108010070514 Keratin-1 Proteins 0.000 description 4
- 108010065038 Keratin-10 Proteins 0.000 description 4
- 108010065086 Keratin-12 Proteins 0.000 description 4
- 210000005252 bulbus oculi Anatomy 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- UCSJYZPVAKXKNQ-HZYVHMACSA-N streptomycin Chemical compound CN[C@H]1[C@H](O)[C@@H](O)[C@H](CO)O[C@H]1O[C@@H]1[C@](C=O)(O)[C@H](C)O[C@H]1O[C@@H]1[C@@H](NC(N)=N)[C@H](O)[C@@H](NC(N)=N)[C@H](O)[C@H]1O UCSJYZPVAKXKNQ-HZYVHMACSA-N 0.000 description 4
- 208000028006 Corneal injury Diseases 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 3
- 239000003242 anti bacterial agent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000001684 chronic effect Effects 0.000 description 3
- 208000021921 corneal disease Diseases 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003511 endothelial effect Effects 0.000 description 3
- 230000002255 enzymatic effect Effects 0.000 description 3
- 210000002219 extraembryonic membrane Anatomy 0.000 description 3
- 239000003102 growth factor Substances 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000005732 intercellular adhesion Effects 0.000 description 3
- 230000003780 keratinization Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229960004857 mitomycin Drugs 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002504 physiological saline solution Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 230000002980 postoperative effect Effects 0.000 description 3
- 238000005063 solubilization Methods 0.000 description 3
- 230000007928 solubilization Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 229960005322 streptomycin Drugs 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 208000002177 Cataract Diseases 0.000 description 2
- 102000009016 Cholera Toxin Human genes 0.000 description 2
- 108010049048 Cholera Toxin Proteins 0.000 description 2
- 206010051559 Corneal defect Diseases 0.000 description 2
- 206010011013 Corneal erosion Diseases 0.000 description 2
- 102000004877 Insulin Human genes 0.000 description 2
- 108090001061 Insulin Proteins 0.000 description 2
- 241000283977 Oryctolagus Species 0.000 description 2
- 229930182555 Penicillin Natural products 0.000 description 2
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 2
- 108091005804 Peptidases Proteins 0.000 description 2
- 102000035195 Peptidases Human genes 0.000 description 2
- 102000004142 Trypsin Human genes 0.000 description 2
- 108090000631 Trypsin Proteins 0.000 description 2
- 208000025865 Ulcer Diseases 0.000 description 2
- 229940088710 antibiotic agent Drugs 0.000 description 2
- 210000000845 cartilage Anatomy 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 210000003298 dental enamel Anatomy 0.000 description 2
- 108010007093 dispase Proteins 0.000 description 2
- 210000002615 epidermis Anatomy 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
- JYGXADMDTFJGBT-VWUMJDOOSA-N hydrocortisone Chemical compound O=C1CC[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 JYGXADMDTFJGBT-VWUMJDOOSA-N 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000012744 immunostaining Methods 0.000 description 2
- 229940125396 insulin Drugs 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 210000002200 mouth mucosa Anatomy 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 210000003254 palate Anatomy 0.000 description 2
- 229940049954 penicillin Drugs 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229940024999 proteolytic enzymes for treatment of wounds and ulcers Drugs 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 210000003491 skin Anatomy 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000009885 systemic effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000012588 trypsin Substances 0.000 description 2
- 231100000397 ulcer Toxicity 0.000 description 2
- 230000004304 visual acuity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- GSDSWSVVBLHKDQ-UHFFFAOYSA-N 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid Chemical compound FC1=CC(C(C(C(O)=O)=C2)=O)=C3N2C(C)COC3=C1N1CCN(C)CC1 GSDSWSVVBLHKDQ-UHFFFAOYSA-N 0.000 description 1
- 229930024421 Adenine Natural products 0.000 description 1
- GFFGJBXGBJISGV-UHFFFAOYSA-N Adenine Chemical compound NC1=NC=NC2=C1N=CN2 GFFGJBXGBJISGV-UHFFFAOYSA-N 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 102000012422 Collagen Type I Human genes 0.000 description 1
- 108010022452 Collagen Type I Proteins 0.000 description 1
- 102000001187 Collagen Type III Human genes 0.000 description 1
- 108010069502 Collagen Type III Proteins 0.000 description 1
- 102000004266 Collagen Type IV Human genes 0.000 description 1
- 108010042086 Collagen Type IV Proteins 0.000 description 1
- 208000016134 Conjunctival disease Diseases 0.000 description 1
- 208000006069 Corneal Opacity Diseases 0.000 description 1
- 102100021238 Dynamin-2 Human genes 0.000 description 1
- 229930182566 Gentamicin Natural products 0.000 description 1
- CEAZRRDELHUEMR-URQXQFDESA-N Gentamicin Chemical compound O1[C@H](C(C)NC)CC[C@@H](N)[C@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](NC)[C@@](C)(O)CO2)O)[C@H](N)C[C@@H]1N CEAZRRDELHUEMR-URQXQFDESA-N 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 101000817607 Homo sapiens Dynamin-2 Proteins 0.000 description 1
- 108010001336 Horseradish Peroxidase Proteins 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 102000057297 Pepsin A Human genes 0.000 description 1
- 108090000284 Pepsin A Proteins 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 206010042033 Stevens-Johnson syndrome Diseases 0.000 description 1
- 231100000168 Stevens-Johnson syndrome Toxicity 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 102000004338 Transferrin Human genes 0.000 description 1
- 108090000901 Transferrin Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229960000643 adenine Drugs 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000005875 antibody response Effects 0.000 description 1
- 210000000270 basal cell Anatomy 0.000 description 1
- 210000002469 basement membrane Anatomy 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 208000002352 blister Diseases 0.000 description 1
- 239000012503 blood component Substances 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000035606 childbirth Effects 0.000 description 1
- 238000003501 co-culture Methods 0.000 description 1
- 210000002777 columnar cell Anatomy 0.000 description 1
- 210000000795 conjunctiva Anatomy 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000005138 cryopreservation Methods 0.000 description 1
- 238000012136 culture method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 210000004292 cytoskeleton Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 230000008556 epithelial cell proliferation Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003889 eye drop Substances 0.000 description 1
- 229940012356 eye drops Drugs 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229960002518 gentamicin Drugs 0.000 description 1
- ZDXPYRJPNDTMRX-UHFFFAOYSA-N glutamine Natural products OC(=O)C(N)CCC(N)=O ZDXPYRJPNDTMRX-UHFFFAOYSA-N 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 229960000890 hydrocortisone Drugs 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 229940125721 immunosuppressive agent Drugs 0.000 description 1
- 239000003018 immunosuppressive agent Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 210000005061 intracellular organelle Anatomy 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002113 octoxynol Polymers 0.000 description 1
- 229960001699 ofloxacin Drugs 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 229940111202 pepsin Drugs 0.000 description 1
- 210000005059 placental tissue Anatomy 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000010837 poor prognosis Methods 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000037390 scarring Effects 0.000 description 1
- 238000011476 stem cell transplantation Methods 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000007910 systemic administration Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 238000011200 topical administration Methods 0.000 description 1
- 239000012581 transferrin Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/14—Eye parts, e.g. lenses or corneal implants; Artificial eyes
-
- 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
- A61L27/3641—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 site of application in the body
-
- 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
- A61L27/3641—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 site of application in the body
- A61L27/3666—Epithelial tissues other than skin
-
- 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
- A61L27/3683—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 subjected to a specific treatment prior to implantation, e.g. decellularising, demineralising, grinding, cellular disruption/non-collagenous protein removal, anti-calcification, crosslinking, supercritical fluid extraction, enzyme treatment
-
- 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
-
- 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
- A61L27/3839—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 the site of application in the body
-
- 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
- A61L27/54—Biologically active materials, e.g. therapeutic substances
-
- 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
- A61L2430/16—Materials or treatment for tissue regeneration for reconstruction of eye parts, e.g. intraocular lens, cornea
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Botany (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Zoology (AREA)
- Cell Biology (AREA)
- Vascular Medicine (AREA)
- Molecular Biology (AREA)
- Urology & Nephrology (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Ophthalmology & Optometry (AREA)
- Materials For Medical Uses (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Tents Or Canopies (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Prostheses (AREA)
- External Artificial Organs (AREA)
- Adornments (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
Description
Claims (18)
- 구강 점막 상피 세포 유래의 세포가 중층화한 세포층으로 이루어지는 각막 상피형 시트.
- 제1항에 있어서,최표층(最表層)의 세포가 각화되어 있지 않은 것을 특징으로 하는 각막 상피형 시트.
- 제1항 또는 제2항에 있어서,최표층의 세포가 편평 형상인 것을 특징으로 하는 각막 상피형 시트.
- 제1항 내지 제3항 중 어느 한 항에 있어서,배리어 기능을 구비하는 것을 특징으로 하는 각막 상피형 시트.
- 콜라겐층 상에, 구강 점막 상피 세포 유래의 세포가 중층화한 세포층이 형성된 것을 특징으로 하는 각막 상피 이식용 시트.
- 제5항에 있어서,상기 세포층의 최표층의 세포가 각화되어 있지 않은 것을 특징으로 하는 각막 상피 이식용 시트.
- 제5항 또는 제6항에 있어서,상기 세포층의 최표층의 세포가 편평 형상인 것을 특징으로 하는 각막 상피 이식용 시트.
- 제5항 내지 제7항 중 어느 한 항에 있어서,상기 콜라겐층이 양막(羊膜) 유래인 것을 특징으로 하는 각막 상피 이식용 시트.
- 제5항 내지 제7항 중 어느 한 항에 있어서,상기 콜라겐층이 상피를 제거한 양막으로 이루어지는 것을 특징으로 하는 각막 상피 이식용 시트.
- 제5항 내지 제9항 중 어느 한 항에 있어서,배리어 기능을 가지는 것을 특징으로 하는 각막 상피 이식용 시트.
- a) 콜라겐층 상에서 구강 점막 상피 세포를 배양하는 단계; 및b) 구강 점막 상피 세포를 증식시켜 중층화한 후, 최표층을 공기에 접촉시키는 단계를 포함하는 각막 상피형 시트의 제조 방법.
- 제11항에 있어서,상기 단계 a)가 지지 세포의 공존 하에 실시되는 것을 특징으로 하는 각막 상피형 시트의 제조 방법.
- 제11항에 있어서,상기 단계 a)가 지지 세포의 공존 하에, 상기 지지 세포와 상기 콜라겐층 사이에, 지지 세포가 통과할 수 없는 세공 크기(pore size)의 격리막이 존재하는 상태에서 실시되는 것을 특징으로 하는 각막 상피형 시트의 제조 방법.
- 제11항 내지 제13항 중 어느 한 항에 있어서,상기 콜라겐층이 양막 유래인 것을 특징으로 하는 각막 상피형 시트의 제조 방법.
- 제11항 내지 제13항 중 어느 한 항에 있어서,상기 콜라겐층이 상피를 제거한 양막으로 이루어지는 것을 특징으로 하는 각막 상피형 시트의 제조 방법.
- 제1 용기 내에 지지 세포를 접종하여, 지지 세포의 층을 형성시키는 단계;상기 지지 세포가 통과할 수 없는 세공 크기(pore size)의 격리막으로 이루어지는 바닥면을 가지는 제2 용기를, 상기 바닥면이 배양액 중에 잠기도록 상기 제1 용기 내에 배치하는 단계;상기 제2 용기의 바닥면 상에 콜라겐층을 형성시키는 단계;상기 콜라겐층 상에 구강 점막 상피 세포를 접종하는 단계;상기 구강 점막 상피 세포를 배양하여 중층화시키는 단계; 및중층화한 구강 점막 상피 세포의 최표층을 공기에 접촉시키는 단계를 포함하는 각막 상피형 시트의 제조 방법.
- 제16항에 있어서,상기 콜라겐층이 양막 유래인 것을 특징으로 하는 각막 상피형 시트의 제조 방법.
- 제16항에 있어서,상기 콜라겐층이 상피를 제거한 양막으로 이루어지는 것을 특징으로 하는 각막 상피형 시트의 제조 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001352675 | 2001-11-19 | ||
| JPJP-P-2001-00352675 | 2001-11-19 | ||
| PCT/JP2002/011857 WO2003043542A1 (fr) | 2001-11-19 | 2002-11-13 | Feuille du type epithelium corneen et procede de construction associe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20040072635A true KR20040072635A (ko) | 2004-08-18 |
| KR100940765B1 KR100940765B1 (ko) | 2010-02-10 |
Family
ID=19164815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020047007655A Expired - Lifetime KR100940765B1 (ko) | 2001-11-19 | 2002-11-13 | 각막 상피형 시트, 및 그의 제조 방법 |
Country Status (11)
| Country | Link |
|---|---|
| US (3) | US20050003532A1 (ko) |
| EP (1) | EP1454600B1 (ko) |
| JP (1) | JP4392855B2 (ko) |
| KR (1) | KR100940765B1 (ko) |
| CN (1) | CN100360095C (ko) |
| AT (1) | ATE522185T1 (ko) |
| AU (1) | AU2002343774A1 (ko) |
| CA (1) | CA2466903A1 (ko) |
| DE (1) | DE2780078T9 (ko) |
| ES (1) | ES2372814T3 (ko) |
| WO (1) | WO2003043542A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170002194U (ko) | 2016-03-29 | 2017-06-21 | 다나제약 주식회사 | 분할형 의료 패치 |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4576545B2 (ja) * | 2004-05-27 | 2010-11-10 | 独立行政法人理化学研究所 | 羊膜由来因子による胚性幹細胞の培養方法 |
| US20080026030A1 (en) * | 2004-06-30 | 2008-01-31 | Arblast Co., Ltd. | Corneal Epithelial Sheet and Process for Producing the Same |
| WO2006129673A1 (ja) * | 2005-05-30 | 2006-12-07 | Arblast Co., Ltd. | 組織再建用材料及びその使用 |
| EP1944045B1 (en) * | 2005-07-25 | 2013-09-18 | Foundation for Biomedical Research and Innovation | Sheet-like composition |
| EP1932549B1 (en) * | 2005-08-26 | 2016-12-28 | AMNOS Co., Ltd. | Dried amnion and method for drying treatment of amnion |
| WO2007029676A1 (ja) * | 2005-09-07 | 2007-03-15 | Arblast Co., Ltd. | 生体組織シート及びその作製方法 |
| CN1916166B (zh) * | 2006-09-08 | 2010-08-11 | 北京赛尔泰和生物医药科技有限公司 | 自体角膜上皮的制备方法 |
| JP5181172B2 (ja) * | 2007-02-21 | 2013-04-10 | 国立大学法人富山大学 | 培養重層上皮シートの作製方法 |
| KR100996846B1 (ko) | 2008-03-03 | 2010-11-26 | 주식회사 엠씨티티 | 비점막 상피세포를 이용한 각막 또는 결막 조직 시트 |
| WO2009110647A1 (en) * | 2008-03-03 | 2009-09-11 | Modern Cell & Tissue Technologies Inc. | Tissue sheet of cornea or conjunctiva using nasal mucosa epithelium |
| CN102083974A (zh) | 2008-03-19 | 2011-06-01 | 千寿制药株式会社 | 催泪蛋白的部分肽 |
| WO2011072461A1 (en) * | 2009-12-18 | 2011-06-23 | Shanghai He Chen Biotechnology Co., Ltd. | Materials and methods for generating pluripotent stem cells |
| DE102010001271B8 (de) * | 2010-01-27 | 2012-12-06 | Urotiss Gmbh | Vernähbares Gewebetransplantatkonstrukt zur Rekonstruktion eines menschlichen oder tierischen Organs |
| CN101757690B (zh) * | 2010-02-05 | 2013-04-24 | 陕西瑞盛生物科技有限公司 | 一种制备组织工程角膜的方法 |
| US9352003B1 (en) | 2010-05-14 | 2016-05-31 | Musculoskeletal Transplant Foundation | Tissue-derived tissuegenic implants, and methods of fabricating and using same |
| US10130736B1 (en) | 2010-05-14 | 2018-11-20 | Musculoskeletal Transplant Foundation | Tissue-derived tissuegenic implants, and methods of fabricating and using same |
| US8883210B1 (en) | 2010-05-14 | 2014-11-11 | Musculoskeletal Transplant Foundation | Tissue-derived tissuegenic implants, and methods of fabricating and using same |
| US10457913B2 (en) | 2015-01-13 | 2019-10-29 | Osaka University | Corneal epithelioid cells derived from surface ectodermal cells |
| US10531957B2 (en) | 2015-05-21 | 2020-01-14 | Musculoskeletal Transplant Foundation | Modified demineralized cortical bone fibers |
| CN105238691A (zh) * | 2015-11-13 | 2016-01-13 | 张志华 | 一种用于人工角膜重建的细胞种植模型 |
| WO2017183655A1 (ja) * | 2016-04-20 | 2017-10-26 | 京都府公立大学法人 | 培養上皮シートの製造方法 |
| CN108567995A (zh) * | 2017-03-10 | 2018-09-25 | 上海睿泰生物科技股份有限公司 | 一种用于角膜疾病治疗的上皮细胞片的制备方法及其应用 |
| CN107335096A (zh) * | 2017-07-11 | 2017-11-10 | 上海白衣缘生物工程有限公司 | 一种复合口腔粘膜上皮细胞的口腔补片制备方法 |
| CN113143584B (zh) * | 2021-03-09 | 2023-07-28 | 河南省立眼科医院 | 动物角膜上皮细胞收集及低温保存手持设备、收集方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5032508A (en) | 1988-09-08 | 1991-07-16 | Marrow-Tech, Inc. | Three-dimensional cell and tissue culture system |
| US4888291A (en) * | 1987-06-19 | 1989-12-19 | President And Fellows Of Harvard College | Human epithelium originating from cell cultures |
| US5015584A (en) * | 1987-10-14 | 1991-05-14 | Board Of Regents, The University Of Texas System | Epidermal graft system |
| US5827641A (en) * | 1992-11-13 | 1998-10-27 | Parenteau; Nancy L. | In vitro cornea equivalent model |
| EP0915967A1 (en) | 1996-05-28 | 1999-05-19 | The Board Of Regents Of The University Of Michigan | Engineering oral tissues |
| US6143315A (en) | 1997-07-24 | 2000-11-07 | Wang; Ming X. | Biochemical contact lens for treating injured corneal tissue |
| AU2001253802B2 (en) * | 2000-04-27 | 2006-11-30 | Ray Jui-Fang Tsai | Method for expansion of epithelial stem cells |
-
2002
- 2002-11-13 CN CNB028230116A patent/CN100360095C/zh not_active Expired - Lifetime
- 2002-11-13 WO PCT/JP2002/011857 patent/WO2003043542A1/ja not_active Ceased
- 2002-11-13 CA CA002466903A patent/CA2466903A1/en not_active Abandoned
- 2002-11-13 EP EP02780078A patent/EP1454600B1/en not_active Expired - Lifetime
- 2002-11-13 AU AU2002343774A patent/AU2002343774A1/en not_active Abandoned
- 2002-11-13 DE DE02780078T patent/DE2780078T9/de active Active
- 2002-11-13 ES ES02780078T patent/ES2372814T3/es not_active Expired - Lifetime
- 2002-11-13 JP JP2003545226A patent/JP4392855B2/ja not_active Expired - Fee Related
- 2002-11-13 AT AT02780078T patent/ATE522185T1/de not_active IP Right Cessation
- 2002-11-13 KR KR1020047007655A patent/KR100940765B1/ko not_active Expired - Lifetime
-
2004
- 2004-05-11 US US10/842,645 patent/US20050003532A1/en not_active Abandoned
-
2005
- 2005-08-16 US US11/203,965 patent/US20050287126A1/en not_active Abandoned
-
2014
- 2014-02-07 US US14/175,369 patent/US20140220102A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170002194U (ko) | 2016-03-29 | 2017-06-21 | 다나제약 주식회사 | 분할형 의료 패치 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2372814T3 (es) | 2012-01-26 |
| US20050003532A1 (en) | 2005-01-06 |
| JPWO2003043542A1 (ja) | 2005-03-10 |
| DE2780078T9 (de) | 2005-05-19 |
| DE02780078T1 (de) | 2005-01-13 |
| EP1454600A4 (en) | 2010-04-07 |
| CN1589126A (zh) | 2005-03-02 |
| KR100940765B1 (ko) | 2010-02-10 |
| WO2003043542A1 (fr) | 2003-05-30 |
| EP1454600A1 (en) | 2004-09-08 |
| ATE522185T1 (de) | 2011-09-15 |
| EP1454600B1 (en) | 2011-08-31 |
| JP4392855B2 (ja) | 2010-01-06 |
| AU2002343774A1 (en) | 2003-06-10 |
| CA2466903A1 (en) | 2003-05-30 |
| US20140220102A1 (en) | 2014-08-07 |
| CN100360095C (zh) | 2008-01-09 |
| US20050287126A1 (en) | 2005-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100940765B1 (ko) | 각막 상피형 시트, 및 그의 제조 방법 | |
| KR20050105242A (ko) | 양막-유래 의용재료 및 그 제조방법 | |
| US20050214259A1 (en) | Corneal endothelium-like sheet and method of constructing the same | |
| KR20070015519A (ko) | 생체 조직 시트, 그것의 제조 방법, 및 그것을 이용한 이식방법 | |
| KR20070093991A (ko) | 양막을 이용한 시트형 조성물 및 그 제작 방법 | |
| US7049139B2 (en) | Method for growth of human conjunctival tissue equivalents for research, clinical ocular surface transplantation and tissue engineering | |
| KR20070037451A (ko) | 각막 상피 시트 및 그 제조 방법 | |
| US20070280993A1 (en) | Corneal Epithelial Sheet, Method Of constructing The Same, And Transplantation Method Using The Sheet | |
| JP2009225675A (ja) | 上皮系細胞シートの作製のための同種皮膚由来フィーダー細胞 | |
| CN115181723A (zh) | 一种人源半月板细胞自分泌生物胶原膜在膝关节损伤治疗中的应用 | |
| KR100737294B1 (ko) | 각막 줄기세포의 분리방법 및 각막 재구성 방법 | |
| Sharma et al. | Limbal stem cell transplants and amniotic membrane grafts in ocular surface disease: current perspectives. | |
| HK1064273A (en) | Ectocornea-like sheet and method of constructing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20040519 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| N231 | Notification of change of applicant | ||
| PN2301 | Change of applicant |
Patent event date: 20060413 Comment text: Notification of Change of Applicant Patent event code: PN23011R01D |
|
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20070528 Comment text: Request for Examination of Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20081127 Patent event code: PE09021S01D |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20090521 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20091119 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20100129 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20100129 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration | ||
| FPAY | Annual fee payment |
Payment date: 20121105 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 20121105 Start annual number: 4 End annual number: 4 |
|
| FPAY | Annual fee payment |
Payment date: 20140116 Year of fee payment: 5 |
|
| PR1001 | Payment of annual fee |
Payment date: 20140116 Start annual number: 5 End annual number: 5 |
|
| FPAY | Annual fee payment |
Payment date: 20141023 Year of fee payment: 6 |
|
| PR1001 | Payment of annual fee |
Payment date: 20141023 Start annual number: 6 End annual number: 6 |
|
| FPAY | Annual fee payment |
Payment date: 20151209 Year of fee payment: 7 |
|
| PR1001 | Payment of annual fee |
Payment date: 20151209 Start annual number: 7 End annual number: 7 |
|
| FPAY | Annual fee payment |
Payment date: 20161213 Year of fee payment: 8 |
|
| PR1001 | Payment of annual fee |
Payment date: 20161213 Start annual number: 8 End annual number: 8 |
|
| FPAY | Annual fee payment |
Payment date: 20171206 Year of fee payment: 9 |
|
| PR1001 | Payment of annual fee |
Payment date: 20171206 Start annual number: 9 End annual number: 9 |
|
| FPAY | Annual fee payment |
Payment date: 20181128 Year of fee payment: 10 |
|
| PR1001 | Payment of annual fee |
Payment date: 20181128 Start annual number: 10 End annual number: 10 |
|
| FPAY | Annual fee payment |
Payment date: 20191023 Year of fee payment: 11 |
|
| PR1001 | Payment of annual fee |
Payment date: 20191023 Start annual number: 11 End annual number: 11 |
|
| PR1001 | Payment of annual fee |
Payment date: 20210818 Start annual number: 13 End annual number: 13 |
|
| PC1801 | Expiration of term |
Termination date: 20230513 Termination category: Expiration of duration |