CN110656087B - 一种manf基因修饰的脐带间充质干细胞及其制备方法与应用 - Google Patents
一种manf基因修饰的脐带间充质干细胞及其制备方法与应用 Download PDFInfo
- Publication number
- CN110656087B CN110656087B CN201810713447.1A CN201810713447A CN110656087B CN 110656087 B CN110656087 B CN 110656087B CN 201810713447 A CN201810713447 A CN 201810713447A CN 110656087 B CN110656087 B CN 110656087B
- Authority
- CN
- China
- Prior art keywords
- mesenchymal stem
- umbilical cord
- manf
- cord mesenchymal
- manf gene
- 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.)
- Active
Links
- 101150100212 Manf gene Proteins 0.000 title claims abstract description 77
- 210000002901 mesenchymal stem cell Anatomy 0.000 title claims abstract description 68
- 210000003954 umbilical cord Anatomy 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 102100021833 Mesencephalic astrocyte-derived neurotrophic factor Human genes 0.000 claims abstract description 25
- 208000020431 spinal cord injury Diseases 0.000 claims abstract description 19
- 210000001178 neural stem cell Anatomy 0.000 claims abstract description 13
- 101000616876 Homo sapiens Mesencephalic astrocyte-derived neurotrophic factor Proteins 0.000 claims abstract description 10
- AVVWPBAENSWJCB-GASJEMHNSA-N D-mannofuranose Chemical compound OC[C@@H](O)[C@H]1OC(O)[C@@H](O)[C@H]1O AVVWPBAENSWJCB-GASJEMHNSA-N 0.000 claims abstract 9
- 238000000034 method Methods 0.000 claims description 16
- 239000013600 plasmid vector Substances 0.000 claims description 16
- 230000004069 differentiation Effects 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000011282 treatment Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 210000000278 spinal cord Anatomy 0.000 abstract description 18
- 238000011084 recovery Methods 0.000 abstract description 6
- 230000007659 motor function Effects 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 4
- 210000000130 stem cell Anatomy 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000013612 plasmid Substances 0.000 description 41
- 210000004027 cell Anatomy 0.000 description 35
- 230000006698 induction Effects 0.000 description 20
- 241000700159 Rattus Species 0.000 description 17
- 101710155665 Mesencephalic astrocyte-derived neurotrophic factor Proteins 0.000 description 16
- 239000013598 vector Substances 0.000 description 15
- 208000027418 Wounds and injury Diseases 0.000 description 14
- 230000006378 damage Effects 0.000 description 13
- 208000014674 injury Diseases 0.000 description 13
- 210000001519 tissue Anatomy 0.000 description 13
- 230000033001 locomotion Effects 0.000 description 10
- 238000004806 packaging method and process Methods 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 238000002054 transplantation Methods 0.000 description 10
- 210000003141 lower extremity Anatomy 0.000 description 9
- 230000001537 neural effect Effects 0.000 description 9
- 210000002569 neuron Anatomy 0.000 description 9
- 238000000338 in vitro Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 241001465754 Metazoa Species 0.000 description 6
- 239000006144 Dulbecco’s modified Eagle's medium Substances 0.000 description 5
- 241000700605 Viruses Species 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000012258 culturing Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000001963 growth medium Substances 0.000 description 5
- 239000002609 medium Substances 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 102000003974 Fibroblast growth factor 2 Human genes 0.000 description 4
- 108090000379 Fibroblast growth factor 2 Proteins 0.000 description 4
- 101001092197 Homo sapiens RNA binding protein fox-1 homolog 3 Proteins 0.000 description 4
- 102000008730 Nestin Human genes 0.000 description 4
- 108010088225 Nestin Proteins 0.000 description 4
- 102100035530 RNA binding protein fox-1 homolog 3 Human genes 0.000 description 4
- 230000006907 apoptotic process Effects 0.000 description 4
- 238000010166 immunofluorescence Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 102000012410 DNA Ligases Human genes 0.000 description 3
- 108010061982 DNA Ligases Proteins 0.000 description 3
- 108090000790 Enzymes Proteins 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 230000029087 digestion Effects 0.000 description 3
- 238000001962 electrophoresis Methods 0.000 description 3
- 108010030074 endodeoxyribonuclease MluI Proteins 0.000 description 3
- 229940088598 enzyme Drugs 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 210000005036 nerve Anatomy 0.000 description 3
- 239000002773 nucleotide Substances 0.000 description 3
- 125000003729 nucleotide group Chemical group 0.000 description 3
- 229920002866 paraformaldehyde Polymers 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 210000000115 thoracic cavity Anatomy 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- FWBHETKCLVMNFS-UHFFFAOYSA-N 4',6-Diamino-2-phenylindol Chemical compound C1=CC(C(=N)N)=CC=C1C1=CC2=CC=C(C(N)=N)C=C2N1 FWBHETKCLVMNFS-UHFFFAOYSA-N 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 2
- 102000004219 Brain-derived neurotrophic factor Human genes 0.000 description 2
- 108090000715 Brain-derived neurotrophic factor Proteins 0.000 description 2
- 102000009024 Epidermal Growth Factor Human genes 0.000 description 2
- 101800003838 Epidermal growth factor Proteins 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 241000713666 Lentivirus Species 0.000 description 2
- YBAFDPFAUTYYRW-UHFFFAOYSA-N N-L-alpha-glutamyl-L-leucine Natural products CC(C)CC(C(O)=O)NC(=O)C(N)CCC(O)=O YBAFDPFAUTYYRW-UHFFFAOYSA-N 0.000 description 2
- 108010025020 Nerve Growth Factor Proteins 0.000 description 2
- 102000007072 Nerve Growth Factors Human genes 0.000 description 2
- 238000000246 agarose gel electrophoresis Methods 0.000 description 2
- SHGAZHPCJJPHSC-YCNIQYBTSA-N all-trans-retinoic acid Chemical compound OC(=O)\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C SHGAZHPCJJPHSC-YCNIQYBTSA-N 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 229940077737 brain-derived neurotrophic factor Drugs 0.000 description 2
- 230000030833 cell death Effects 0.000 description 2
- 230000007910 cell fusion Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002299 complementary DNA Substances 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000035475 disorder Diseases 0.000 description 2
- 210000002472 endoplasmic reticulum Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001976 enzyme digestion Methods 0.000 description 2
- 229940116977 epidermal growth factor Drugs 0.000 description 2
- 239000012894 fetal calf serum Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 210000004884 grey matter Anatomy 0.000 description 2
- 238000007490 hematoxylin and eosin (H&E) staining Methods 0.000 description 2
- 230000007954 hypoxia Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 208000028867 ischemia Diseases 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 239000006166 lysate Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 210000005055 nestin Anatomy 0.000 description 2
- 239000003900 neurotrophic factor Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000010839 reverse transcription Methods 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 229960001727 tretinoin Drugs 0.000 description 2
- VBEQCZHXXJYVRD-GACYYNSASA-N uroanthelone Chemical compound C([C@@H](C(=O)N[C@H](C(=O)N[C@@H](CS)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CS)C(=O)N[C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CC=1C=CC(O)=CC=1)C(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O)C(C)C)[C@@H](C)O)NC(=O)[C@H](CO)NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)[C@H](CCC(O)=O)NC(=O)[C@@H](NC(=O)[C@H](CC=1NC=NC=1)NC(=O)[C@H](CCSC)NC(=O)[C@H](CS)NC(=O)[C@@H](NC(=O)CNC(=O)CNC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CS)NC(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)CNC(=O)[C@H](CC(O)=O)NC(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@H]1N(CCC1)C(=O)[C@H](CS)NC(=O)CNC(=O)[C@H]1N(CCC1)C(=O)[C@H](CC=1C=CC(O)=CC=1)NC(=O)[C@H](CO)NC(=O)[C@@H](N)CC(N)=O)C(C)C)[C@@H](C)CC)C1=CC=C(O)C=C1 VBEQCZHXXJYVRD-GACYYNSASA-N 0.000 description 2
- 238000001262 western blot Methods 0.000 description 2
- 210000004885 white matter Anatomy 0.000 description 2
- JBVSSSZFNTXJDX-YTLHQDLWSA-N Ala-Ala-Thr Chemical compound C[C@@H](O)[C@@H](C(O)=O)NC(=O)[C@H](C)NC(=O)[C@H](C)N JBVSSSZFNTXJDX-YTLHQDLWSA-N 0.000 description 1
- 108010076441 Ala-His-His Proteins 0.000 description 1
- ATAKEVCGTRZKLI-UWJYBYFXSA-N Ala-His-His Chemical compound C([C@H](NC(=O)[C@@H](N)C)C(=O)N[C@@H](CC=1NC=NC=1)C(O)=O)C1=CN=CN1 ATAKEVCGTRZKLI-UWJYBYFXSA-N 0.000 description 1
- 239000012099 Alexa Fluor family Substances 0.000 description 1
- HPKSHFSEXICTLI-CIUDSAMLSA-N Arg-Glu-Ala Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C)C(O)=O HPKSHFSEXICTLI-CIUDSAMLSA-N 0.000 description 1
- PHHRSPBBQUFULD-UWVGGRQHSA-N Arg-Gly-Lys Chemical compound C(CCN)C[C@@H](C(=O)O)NC(=O)CNC(=O)[C@H](CCCN=C(N)N)N PHHRSPBBQUFULD-UWVGGRQHSA-N 0.000 description 1
- UIUXXFIKWQVMEX-UFYCRDLUSA-N Arg-Phe-Tyr Chemical compound [H]N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(O)=O UIUXXFIKWQVMEX-UFYCRDLUSA-N 0.000 description 1
- WOZDCBHUGJVJPL-AVGNSLFASA-N Arg-Val-Lys Chemical compound CC(C)[C@@H](C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CCCN=C(N)N)N WOZDCBHUGJVJPL-AVGNSLFASA-N 0.000 description 1
- JREOBWLIZLXRIS-GUBZILKMSA-N Asn-Glu-Leu Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(C)C)C(O)=O JREOBWLIZLXRIS-GUBZILKMSA-N 0.000 description 1
- DMLSCRJBWUEALP-LAEOZQHASA-N Asn-Glu-Val Chemical compound [H]N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](C(C)C)C(O)=O DMLSCRJBWUEALP-LAEOZQHASA-N 0.000 description 1
- ZLGKHJHFYSRUBH-FXQIFTODSA-N Asp-Arg-Asp Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(O)=O)C(O)=O ZLGKHJHFYSRUBH-FXQIFTODSA-N 0.000 description 1
- KGAJCJXBEWLQDZ-UBHSHLNASA-N Asp-Asp-Trp Chemical compound C1=CC=C2C(=C1)C(=CN2)C[C@@H](C(=O)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(=O)O)N KGAJCJXBEWLQDZ-UBHSHLNASA-N 0.000 description 1
- UMHUHHJMEXNSIV-CIUDSAMLSA-N Asp-Leu-Ser Chemical compound OC[C@@H](C(O)=O)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(O)=O UMHUHHJMEXNSIV-CIUDSAMLSA-N 0.000 description 1
- QNIACYURSSCLRP-GUBZILKMSA-N Asp-Lys-Gln Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(N)=O)C(O)=O QNIACYURSSCLRP-GUBZILKMSA-N 0.000 description 1
- ZVGRHIRJLWBWGJ-ACZMJKKPSA-N Asp-Ser-Gln Chemical compound [H]N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(N)=O)C(O)=O ZVGRHIRJLWBWGJ-ACZMJKKPSA-N 0.000 description 1
- 101100298998 Caenorhabditis elegans pbs-3 gene Proteins 0.000 description 1
- 241000283707 Capra Species 0.000 description 1
- GRNOCLDFUNCIDW-ACZMJKKPSA-N Cys-Ala-Glu Chemical compound C[C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)O)NC(=O)[C@H](CS)N GRNOCLDFUNCIDW-ACZMJKKPSA-N 0.000 description 1
- MUZAUPFGPMMZSS-GUBZILKMSA-N Cys-Glu-Lys Chemical compound C(CCN)C[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CS)N MUZAUPFGPMMZSS-GUBZILKMSA-N 0.000 description 1
- VIRYODQIWJNWNU-NRPADANISA-N Cys-Glu-Val Chemical compound CC(C)[C@@H](C(=O)O)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CS)N VIRYODQIWJNWNU-NRPADANISA-N 0.000 description 1
- VFGADOJXRLWTBU-JBDRJPRFSA-N Cys-Ile-Ser Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CO)C(=O)O)NC(=O)[C@H](CS)N VFGADOJXRLWTBU-JBDRJPRFSA-N 0.000 description 1
- CIVXDCMSSFGWAL-YUMQZZPRSA-N Cys-Lys-Gly Chemical compound C(CCN)C[C@@H](C(=O)NCC(=O)O)NC(=O)[C@H](CS)N CIVXDCMSSFGWAL-YUMQZZPRSA-N 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- XEYMBRRKIFYQMF-GUBZILKMSA-N Gln-Asp-Leu Chemical compound [H]N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC(C)C)C(O)=O XEYMBRRKIFYQMF-GUBZILKMSA-N 0.000 description 1
- FLLRAEJOLZPSMN-CIUDSAMLSA-N Glu-Asn-Arg Chemical compound OC(=O)CC[C@H](N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@H](C(O)=O)CCCN=C(N)N FLLRAEJOLZPSMN-CIUDSAMLSA-N 0.000 description 1
- IVGJYOOGJLFKQE-AVGNSLFASA-N Glu-Leu-Lys Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CCCCN)C(=O)O)NC(=O)[C@H](CCC(=O)O)N IVGJYOOGJLFKQE-AVGNSLFASA-N 0.000 description 1
- YKBUCXNNBYZYAY-MNXVOIDGSA-N Glu-Lys-Ile Chemical compound [H]N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O YKBUCXNNBYZYAY-MNXVOIDGSA-N 0.000 description 1
- MBOAPAXLTUSMQI-JHEQGTHGSA-N Gly-Glu-Thr Chemical compound [H]NCC(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H]([C@@H](C)O)C(O)=O MBOAPAXLTUSMQI-JHEQGTHGSA-N 0.000 description 1
- 102000002812 Heat-Shock Proteins Human genes 0.000 description 1
- 108010004889 Heat-Shock Proteins Proteins 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 206010020565 Hyperaemia Diseases 0.000 description 1
- YOTNPRLPIPHQSB-XUXIUFHCSA-N Ile-Arg-Lys Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CCCN=C(N)N)C(=O)N[C@@H](CCCCN)C(=O)O)N YOTNPRLPIPHQSB-XUXIUFHCSA-N 0.000 description 1
- SCHZQZPYHBWYEQ-PEFMBERDSA-N Ile-Asn-Glu Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(=O)N)C(=O)N[C@@H](CCC(=O)O)C(=O)O)N SCHZQZPYHBWYEQ-PEFMBERDSA-N 0.000 description 1
- LDRALPZEVHVXEK-KBIXCLLPSA-N Ile-Cys-Glu Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CS)C(=O)N[C@@H](CCC(=O)O)C(=O)O)N LDRALPZEVHVXEK-KBIXCLLPSA-N 0.000 description 1
- NZOCIWKZUVUNDW-ZKWXMUAHSA-N Ile-Gly-Ala Chemical compound CC[C@H](C)[C@H](N)C(=O)NCC(=O)N[C@@H](C)C(O)=O NZOCIWKZUVUNDW-ZKWXMUAHSA-N 0.000 description 1
- MLSUZXHSNRBDCI-CYDGBPFRSA-N Ile-Pro-Val Chemical compound CC[C@H](C)[C@@H](C(=O)N1CCC[C@H]1C(=O)N[C@@H](C(C)C)C(=O)O)N MLSUZXHSNRBDCI-CYDGBPFRSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- PIHFVNPEAHFNLN-KKUMJFAQSA-N Leu-Cys-Tyr Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CS)C(=O)N[C@@H](CC1=CC=C(C=C1)O)C(=O)O)N PIHFVNPEAHFNLN-KKUMJFAQSA-N 0.000 description 1
- KPYAOIVPJKPIOU-KKUMJFAQSA-N Leu-Lys-Lys Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(O)=O KPYAOIVPJKPIOU-KKUMJFAQSA-N 0.000 description 1
- ONPJGOIVICHWBW-BZSNNMDCSA-N Leu-Lys-Tyr Chemical compound CC(C)C[C@H](N)C(=O)N[C@@H](CCCCN)C(=O)N[C@H](C(O)=O)CC1=CC=C(O)C=C1 ONPJGOIVICHWBW-BZSNNMDCSA-N 0.000 description 1
- GNRPTBRHRRZCMA-RWMBFGLXSA-N Leu-Met-Pro Chemical compound CC(C)C[C@@H](C(=O)N[C@@H](CCSC)C(=O)N1CCC[C@@H]1C(=O)O)N GNRPTBRHRRZCMA-RWMBFGLXSA-N 0.000 description 1
- JYXBNQOKPRQNQS-YTFOTSKYSA-N Lys-Ile-Ile Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(O)=O JYXBNQOKPRQNQS-YTFOTSKYSA-N 0.000 description 1
- ZXFRGTAIIZHNHG-AJNGGQMLSA-N Lys-Ile-Leu Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)O)NC(=O)[C@H](CCCCN)N ZXFRGTAIIZHNHG-AJNGGQMLSA-N 0.000 description 1
- WBSCNDJQPKSPII-KKUMJFAQSA-N Lys-Lys-Lys Chemical compound NCCCC[C@H](N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(O)=O WBSCNDJQPKSPII-KKUMJFAQSA-N 0.000 description 1
- JPYPRVHMKRFTAT-KKUMJFAQSA-N Lys-Phe-Cys Chemical compound C1=CC=C(C=C1)C[C@@H](C(=O)N[C@@H](CS)C(=O)O)NC(=O)[C@H](CCCCN)N JPYPRVHMKRFTAT-KKUMJFAQSA-N 0.000 description 1
- HYSVGEAWTGPMOA-IHRRRGAJSA-N Lys-Pro-Leu Chemical compound [H]N[C@@H](CCCCN)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CC(C)C)C(O)=O HYSVGEAWTGPMOA-IHRRRGAJSA-N 0.000 description 1
- SUZVLFWOCKHWET-CQDKDKBSSA-N Lys-Tyr-Ala Chemical compound [H]N[C@@H](CCCCN)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](C)C(O)=O SUZVLFWOCKHWET-CQDKDKBSSA-N 0.000 description 1
- 206010027146 Melanoderma Diseases 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 238000012408 PCR amplification Methods 0.000 description 1
- 206010033892 Paraplegia Diseases 0.000 description 1
- 108010079005 RDV peptide Proteins 0.000 description 1
- HEQPKICPPDOSIN-SRVKXCTJSA-N Ser-Asp-Tyr Chemical compound OC[C@H](N)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@H](C(O)=O)CC1=CC=C(O)C=C1 HEQPKICPPDOSIN-SRVKXCTJSA-N 0.000 description 1
- ADJDNJCSPNFFPI-FXQIFTODSA-N Ser-Pro-Ala Chemical compound OC(=O)[C@H](C)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](N)CO ADJDNJCSPNFFPI-FXQIFTODSA-N 0.000 description 1
- YOSLMIPKOUAHKI-OLHMAJIHSA-N Thr-Asp-Asp Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC(O)=O)C(O)=O YOSLMIPKOUAHKI-OLHMAJIHSA-N 0.000 description 1
- XTCNBOBTROGWMW-RWRJDSDZSA-N Thr-Ile-Glu Chemical compound CC[C@H](C)[C@@H](C(=O)N[C@@H](CCC(=O)O)C(=O)O)NC(=O)[C@H]([C@@H](C)O)N XTCNBOBTROGWMW-RWRJDSDZSA-N 0.000 description 1
- FYBFTPLPAXZBOY-KKHAAJSZSA-N Thr-Val-Asp Chemical compound [H]N[C@@H]([C@@H](C)O)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(O)=O)C(O)=O FYBFTPLPAXZBOY-KKHAAJSZSA-N 0.000 description 1
- 229920004890 Triton X-100 Polymers 0.000 description 1
- 239000013504 Triton X-100 Substances 0.000 description 1
- DWAMXBFJNZIHMC-KBPBESRZSA-N Tyr-Leu-Gly Chemical compound [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CC(C)C)C(=O)NCC(O)=O DWAMXBFJNZIHMC-KBPBESRZSA-N 0.000 description 1
- PDDJTOSAVNRJRH-UNQGMJICSA-N Val-Thr-Phe Chemical compound C[C@H]([C@@H](C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)O)NC(=O)[C@H](C(C)C)N)O PDDJTOSAVNRJRH-UNQGMJICSA-N 0.000 description 1
- 239000011543 agarose gel Substances 0.000 description 1
- 108010087924 alanylproline Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000003698 anagen phase Effects 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- 210000003050 axon Anatomy 0.000 description 1
- 230000003542 behavioural effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000010523 cascade reaction Methods 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 239000006285 cell suspension Substances 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- RNFNDJAIBTYOQL-UHFFFAOYSA-N chloral hydrate Chemical compound OC(O)C(Cl)(Cl)Cl RNFNDJAIBTYOQL-UHFFFAOYSA-N 0.000 description 1
- 229960002327 chloral hydrate Drugs 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000012154 double-distilled water Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 210000001951 dura mater Anatomy 0.000 description 1
- 210000001671 embryonic stem cell Anatomy 0.000 description 1
- 230000037149 energy metabolism Effects 0.000 description 1
- 206010015037 epilepsy Diseases 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 210000002950 fibroblast Anatomy 0.000 description 1
- 238000001917 fluorescence detection Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000005021 gait Effects 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000012239 gene modification Methods 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 102000057400 human MANF Human genes 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000007928 intraperitoneal injection Substances 0.000 description 1
- 108010027338 isoleucylcysteine Proteins 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 108010034529 leucyl-lysine Proteins 0.000 description 1
- 108010047926 leucyl-lysyl-tyrosine Proteins 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 108010003700 lysyl aspartic acid Proteins 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 208000030159 metabolic disease Diseases 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010172 mouse model Methods 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 230000016273 neuron death Effects 0.000 description 1
- 230000004112 neuroprotection Effects 0.000 description 1
- 210000004967 non-hematopoietic stem cell Anatomy 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229940055695 pancreatin Drugs 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 210000005259 peripheral blood Anatomy 0.000 description 1
- 239000011886 peripheral blood Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 108010051242 phenylalanylserine Proteins 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000012257 pre-denaturation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000013077 scoring method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000000225 synapse Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000009772 tissue formation Effects 0.000 description 1
- 108010038745 tryptophylglycine Proteins 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/475—Growth factors; Growth regulators
- C07K14/4756—Neuregulins, i.e. p185erbB2 ligands, glial growth factor, heregulin, ARIA, neu differentiation factor
-
- 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
- A61K35/48—Reproductive organs
- A61K35/51—Umbilical cord; Umbilical cord blood; Umbilical stem cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- 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
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
- C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
- C12N15/86—Viral vectors
-
- 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
- C12N5/0618—Cells of the nervous system
- C12N5/0623—Stem cells
-
- 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
- C12N2506/00—Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells
- C12N2506/13—Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells from connective tissue cells, from mesenchymal cells
- C12N2506/1346—Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells from connective tissue cells, from mesenchymal cells from mesenchymal stem cells
- C12N2506/1369—Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells from connective tissue cells, from mesenchymal cells from mesenchymal stem cells from blood-borne mesenchymal stem cells, e.g. MSC from umbilical blood
-
- 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
- C12N2740/00—Reverse transcribing RNA viruses
- C12N2740/00011—Details
- C12N2740/10011—Retroviridae
- C12N2740/15011—Lentivirus, not HIV, e.g. FIV, SIV
- C12N2740/15041—Use of virus, viral particle or viral elements as a vector
- C12N2740/15043—Use of virus, viral particle or viral elements as a vector viral genome or elements thereof as genetic vector
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Organic Chemistry (AREA)
- Genetics & Genomics (AREA)
- Zoology (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Cell Biology (AREA)
- Biochemistry (AREA)
- Developmental Biology & Embryology (AREA)
- Medicinal Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Microbiology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Neurosurgery (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Neurology (AREA)
- Virology (AREA)
- Epidemiology (AREA)
- Reproductive Health (AREA)
- Immunology (AREA)
- Hematology (AREA)
- Toxicology (AREA)
- Gastroenterology & Hepatology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Plant Pathology (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810713447.1A CN110656087B (zh) | 2018-06-29 | 2018-06-29 | 一种manf基因修饰的脐带间充质干细胞及其制备方法与应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810713447.1A CN110656087B (zh) | 2018-06-29 | 2018-06-29 | 一种manf基因修饰的脐带间充质干细胞及其制备方法与应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110656087A CN110656087A (zh) | 2020-01-07 |
CN110656087B true CN110656087B (zh) | 2022-01-21 |
Family
ID=69027084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810713447.1A Active CN110656087B (zh) | 2018-06-29 | 2018-06-29 | 一种manf基因修饰的脐带间充质干细胞及其制备方法与应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110656087B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115054568A (zh) * | 2022-04-14 | 2022-09-16 | 赣南医学院第一附属医院 | 促进脊髓损伤恢复的温敏型水凝胶及制备方法 |
CN117679493B (zh) * | 2024-02-02 | 2024-05-28 | 北京大学第三医院(北京大学第三临床医学院) | 一种通过免疫调控来治疗或预防肌腱病的药物及其应用 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BRPI0909221A2 (pt) * | 2008-03-25 | 2015-08-11 | Amarantus Therapeutics Inc | Desordens neurodegenerativas |
CN102021144A (zh) * | 2009-09-18 | 2011-04-20 | 上海市第一人民医院 | 一种分离脐带间充质干细胞的方法 |
CN102191217A (zh) * | 2010-03-12 | 2011-09-21 | 上海市第一人民医院 | 一种诱导脐带间充质干细胞分化为类神经细胞的方法 |
-
2018
- 2018-06-29 CN CN201810713447.1A patent/CN110656087B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN110656087A (zh) | 2020-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20060247195A1 (en) | Method of altering cell properties by administering rna | |
US20150320833A1 (en) | Ossification-inducing compositions and methods of use thereof | |
EP2076588B1 (en) | Expansion method for adult stem cells from blood, particularly peripheral blood, and relative application in medical field | |
JP6253590B2 (ja) | Hmgb1断片を利用した脊髄の損傷に対する新規治療法 | |
Abbaszadeh et al. | Human ciliary neurotrophic factor–overexpressing stable bone marrow stromal cells in the treatment of a rat model of traumatic spinal cord injury | |
CN108588026A (zh) | 高表达il10的临床级间充质干细胞的制备方法及其用途 | |
CN110656087B (zh) | 一种manf基因修饰的脐带间充质干细胞及其制备方法与应用 | |
CN113144221B (zh) | 外泌体制剂及其制备方法和应用 | |
CN108753730A (zh) | 一种ntf4基因修饰的脐带间充质干细胞及其构建方法和应用 | |
KR20180028094A (ko) | 유도신경줄기세포를 포함하는 신경계 질환 및 손상에 대한 개선 또는 치료용 조성물 | |
Mi et al. | Implantation with SHED sheet induced with homogenate protein of spinal cord promotes functional recovery from spinal cord injury in rats | |
CN110684805B (zh) | 神经导向因子Sema基因重组慢病毒载体在制备治疗骨关节炎药物中的应用 | |
CN117679493B (zh) | 一种通过免疫调控来治疗或预防肌腱病的药物及其应用 | |
Peng et al. | Hyperbaric oxygen therapy combined with Schwann cell transplantation promotes spinal cord injury recovery | |
CN111568916A (zh) | LncRNAGAS5在治疗原发性骨质疏松症的作用 | |
US10478476B2 (en) | Use of full-length amelogenin for promoting nerve growth or regeneration | |
CN110804593B (zh) | 一种诱导皮肤成纤维细胞直接向神经元转分化的小分子化合物组合及应用 | |
CN111886016A (zh) | 治疗脊髓损伤的组合物和方法 | |
CN112516168B (zh) | 用于干预应激性认知障碍的间充质干细胞 | |
CN115845030A (zh) | 神经生长因子诱导蛋白或其基因的应用 | |
CN111876443A (zh) | 一种利用转分化技术诱导体细胞重编程至神经细胞模型的方法 | |
CN111826399A (zh) | 促进间质干细胞tsp4过表达的方法及其制剂和应用 | |
RU2801207C2 (ru) | Способы применения zscan4 для омоложения человеческих клеток | |
CN112704728A (zh) | 一种egf高表达的干细胞温敏凝胶的制备方法及其应用 | |
CN116769777A (zh) | 一种促进脊髓损伤后轴突再生的工程化外泌体、制备方法与应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240415 Address after: 523000 Room 401, building 6, No. 9, Xincheng Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Sino US cel Biotechnology (Guangdong) Co.,Ltd. Country or region after: China Address before: 518057 13e, building 8, Shekou Peninsula Chengbang phase 2, Wanghai Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Li Tao Country or region before: China Patentee before: Wu Chunfeng |