EP1670901A4 - Method of in vitro differentiation of neural stem cells, motor neurons and dopamine neurons from primate embryonic stem cells - Google Patents

Method of in vitro differentiation of neural stem cells, motor neurons and dopamine neurons from primate embryonic stem cells

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Publication number
EP1670901A4
EP1670901A4 EP04782339A EP04782339A EP1670901A4 EP 1670901 A4 EP1670901 A4 EP 1670901A4 EP 04782339 A EP04782339 A EP 04782339A EP 04782339 A EP04782339 A EP 04782339A EP 1670901 A4 EP1670901 A4 EP 1670901A4
Authority
EP
European Patent Office
Prior art keywords
stem cells
neurons
vitro differentiation
primate embryonic
embryonic stem
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.)
Withdrawn
Application number
EP04782339A
Other languages
German (de)
French (fr)
Other versions
EP1670901A2 (en
Inventor
Su-Chun Zhang
James A Thomson
Ian David Duncan
Xue-Jun Li
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wisconsin Alumni Research Foundation
Original Assignee
Wisconsin Alumni Research Foundation
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 Wisconsin Alumni Research Foundation filed Critical Wisconsin Alumni Research Foundation
Publication of EP1670901A2 publication Critical patent/EP1670901A2/en
Publication of EP1670901A4 publication Critical patent/EP1670901A4/en
Withdrawn legal-status Critical Current

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    • 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
    • C12N5/0618Cells of the nervous system
    • C12N5/0619Neurons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/14Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • A61P25/16Anti-Parkinson drugs
    • CCHEMISTRY; METALLURGY
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    • 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
    • C12N5/0603Embryonic cells ; Embryoid bodies
    • C12N5/0606Pluripotent embryonic cells, e.g. embryonic stem cells [ES]
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    • 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
    • C12N5/0618Cells of the nervous system
    • CCHEMISTRY; METALLURGY
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    • 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
    • C12N5/0618Cells of the nervous system
    • C12N5/0623Stem cells
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    • C12N2500/00Specific components of cell culture medium
    • C12N2500/05Inorganic components
    • C12N2500/10Metals; Metal chelators
    • C12N2500/20Transition metals
    • C12N2500/24Iron; Fe chelators; Transferrin
    • C12N2500/25Insulin-transferrin; Insulin-transferrin-selenium
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    • C12N2500/00Specific components of cell culture medium
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    • C12N2500/44Thiols, e.g. mercaptoethanol
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    • C12N2500/00Specific components of cell culture medium
    • C12N2500/30Organic components
    • C12N2500/46Amines, e.g. putrescine
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    • C12N2501/00Active agents used in cell culture processes, e.g. differentation
    • C12N2501/10Growth factors
    • C12N2501/115Basic fibroblast growth factor (bFGF, FGF-2)
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    • C12N2501/00Active agents used in cell culture processes, e.g. differentation
    • C12N2501/10Growth factors
    • C12N2501/119Other fibroblast growth factors, e.g. FGF-4, FGF-8, FGF-10
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    • C12N2501/00Active agents used in cell culture processes, e.g. differentation
    • C12N2501/10Growth factors
    • C12N2501/13Nerve growth factor [NGF]; Brain-derived neurotrophic factor [BDNF]; Cilliary neurotrophic factor [CNTF]; Glial-derived neurotrophic factor [GDNF]; Neurotrophins [NT]; Neuregulins
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    • C12N2501/00Active agents used in cell culture processes, e.g. differentation
    • C12N2501/30Hormones
    • C12N2501/38Hormones with nuclear receptors
    • C12N2501/385Hormones with nuclear receptors of the family of the retinoic acid recptor, e.g. RAR, RXR; Peroxisome proliferator-activated receptor [PPAR]
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    • C12N2501/00Active agents used in cell culture processes, e.g. differentation
    • C12N2501/40Regulators of development
    • C12N2501/41Hedgehog proteins; Cyclopamine (inhibitor)
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    • C12N2501/00Active agents used in cell culture processes, e.g. differentation
    • C12N2501/90Polysaccharides
    • C12N2501/91Heparin
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    • C12N2506/00Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells
    • C12N2506/02Differentiation of animal cells from one lineage to another; Differentiation of pluripotent cells from embryonic cells

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Zoology (AREA)
  • Biotechnology (AREA)
  • Genetics & Genomics (AREA)
  • Wood Science & Technology (AREA)
  • Neurology (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Microbiology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Cell Biology (AREA)
  • Developmental Biology & Embryology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Reproductive Health (AREA)
  • Gynecology & Obstetrics (AREA)
  • Psychology (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
EP04782339A 2003-08-29 2004-08-27 Method of in vitro differentiation of neural stem cells, motor neurons and dopamine neurons from primate embryonic stem cells Withdrawn EP1670901A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US49883103P 2003-08-29 2003-08-29
US49957003P 2003-09-02 2003-09-02
PCT/US2004/027841 WO2005021720A2 (en) 2003-08-29 2004-08-27 Method of in vitro differentiation of neural stem cells, motor neurons and dopamine neurons from primate embryonic stem cells

Publications (2)

Publication Number Publication Date
EP1670901A2 EP1670901A2 (en) 2006-06-21
EP1670901A4 true EP1670901A4 (en) 2007-09-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04782339A Withdrawn EP1670901A4 (en) 2003-08-29 2004-08-27 Method of in vitro differentiation of neural stem cells, motor neurons and dopamine neurons from primate embryonic stem cells

Country Status (8)

Country Link
EP (1) EP1670901A4 (en)
JP (2) JP2007503811A (en)
KR (2) KR20060115351A (en)
AU (1) AU2004269361B2 (en)
CA (1) CA2536588C (en)
GB (1) GB2421029B (en)
IL (2) IL173832A (en)
WO (1) WO2005021720A2 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7588937B2 (en) 2001-10-03 2009-09-15 Wisconsin Alumni Research Foundation Method of in vitro differentiation of neural stem cells, motor neurons and dopamine neurons from primate embryonic stem cells
US8153424B2 (en) 2001-10-03 2012-04-10 Wisconsin Alumni Research Foundation Method of in vitro differentiation of neural stem cells, motor neurons and dopamine neurons from primate embryonic stem cells
US7632679B2 (en) * 2002-07-16 2009-12-15 The Trustees Of Columbia University In The City Of New York Systems and methods for screening for modulators of neural differentiation
JP4792290B2 (en) * 2005-12-27 2011-10-12 財団法人 東京都医学総合研究所 Method for producing neural stem cells
CA2644922C (en) 2006-03-07 2019-07-23 Geeta Shroff Compositions comprising human embryonic stem cells and their derivatives, methods of use, and methods of preparation
KR100838013B1 (en) * 2006-06-07 2008-06-12 제일약품주식회사 Efficient Generation of Neural Progenitors, Neurons and Dopaminergic Neurons from Human Embryonic Stem Cells
WO2009132156A1 (en) 2008-04-22 2009-10-29 Regenerative Research Foundation Retinal pigment epithelial stem cells
KR101168053B1 (en) * 2009-11-06 2012-07-24 연세대학교 산학협력단 Efficient and Universal Method for Neural Differentiation of Pluripotent Stem Cells
US20130149287A1 (en) 2010-07-30 2013-06-13 Cambridge Enterprise Limited Corticogenesis of Human Pluripotent Cells
US9487752B2 (en) 2011-03-30 2016-11-08 Cellular Dynamics International, Inc. Priming of pluripotent stem cells for neural differentiation
JP6015112B2 (en) * 2012-05-11 2016-10-26 株式会社ニコン Cell evaluation apparatus, cell evaluation method and program
PE20210451A1 (en) * 2015-11-12 2021-03-08 Hoffmann La Roche OLIGONUCLEOTIDES TO INDUCE PATERNAL EXPRESSION OF UBE3A
US11473061B2 (en) 2016-02-01 2022-10-18 Cedars-Sinai Medical Center Systems and methods for growth of intestinal cells in microfluidic devices
JPWO2017209290A1 (en) * 2016-06-03 2019-04-11 国立大学法人京都大学 Production and use of pluripotent stem cell-derived motor neurons
JP6376196B2 (en) * 2016-09-29 2018-08-22 株式会社ニコン Cell evaluation apparatus, cell evaluation method and program
US11913022B2 (en) 2017-01-25 2024-02-27 Cedars-Sinai Medical Center In vitro induction of mammary-like differentiation from human pluripotent stem cells
US11767513B2 (en) 2017-03-14 2023-09-26 Cedars-Sinai Medical Center Neuromuscular junction
US11414648B2 (en) 2017-03-24 2022-08-16 Cedars-Sinai Medical Center Methods and compositions for production of fallopian tube epithelium
CN108048399B (en) * 2017-11-13 2021-03-23 昆明医科大学 Method for inducing tree shrew dopamine neuron primary cell autophagy by METH
JP2019106895A (en) * 2017-12-15 2019-07-04 インダストリー‐ユニバーシティー コーぺレーション ファンデーション ハンヤン ユニバーシティ Method of differentiating neural stem cells or neural precursor cells into dopamine neurons
EP3775161A4 (en) * 2018-04-06 2022-04-06 Cedars-Sinai Medical Center Human pluripotent stem cell derived neurodegenerative disease models on a microfluidic chip
US11981918B2 (en) 2018-04-06 2024-05-14 Cedars-Sinai Medical Center Differentiation technique to generate dopaminergic neurons from induced pluripotent stem cells
WO2019236082A1 (en) * 2018-06-06 2019-12-12 The Regents Of The University Of California Neural stem cell compositions and methods to treat neurodegenerative disorders
JP6798533B2 (en) * 2018-07-26 2020-12-09 株式会社ニコン Cell evaluation device, incubator and program
WO2021045217A1 (en) * 2019-09-06 2021-03-11 学校法人慶應義塾 Method for producing cell aggregate including glial progenitor cells
JP7235027B2 (en) * 2020-11-16 2023-03-08 株式会社ニコン Cell evaluation instruments, incubators and programs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083715A2 (en) * 2000-05-01 2001-11-08 THE GOVERNMENT OF THE UNITED STATES OF AMERICA as represented by the Secretary, Derivation of midbrain dopaminergic neurons from embryonic stem cells
WO2001088104A2 (en) * 2000-05-17 2001-11-22 Geron Corporation Neural progenitor cell populations
US20030068819A1 (en) * 2001-10-03 2003-04-10 Su-Chun Zhang Method of in vitro differentiation of transplantatable neural precursor cells from primate embryonic stem cells

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7144997B2 (en) * 1997-07-24 2006-12-05 Curis, Inc. Vertebrate embryonic patterning-inducing proteins, compositions and uses related therto
CA2298506A1 (en) * 1997-08-04 1999-02-11 The Regents Of The University Of California Methods for treating neurological deficits
CN100422315C (en) * 2000-11-30 2008-10-01 斯坦姆荣公司 Isolated homozygous stem cells differentiated cells derived therefrom and materials and methods for making and using same
US20030211605A1 (en) * 2001-05-01 2003-11-13 Lee Sang-Hun Derivation of midbrain dopaminergic neurons from embryonic stem cells

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001083715A2 (en) * 2000-05-01 2001-11-08 THE GOVERNMENT OF THE UNITED STATES OF AMERICA as represented by the Secretary, Derivation of midbrain dopaminergic neurons from embryonic stem cells
WO2001088104A2 (en) * 2000-05-17 2001-11-22 Geron Corporation Neural progenitor cell populations
US20030068819A1 (en) * 2001-10-03 2003-04-10 Su-Chun Zhang Method of in vitro differentiation of transplantatable neural precursor cells from primate embryonic stem cells

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
BAIN G ET AL: "Embryonic stem cells express neuronal properties in vitro", DEVELOPMENTAL BIOLOGY, ACADEMIC PRESS, NEW YORK, NY, US, vol. 168, no. 2, 1995, pages 342 - 357, XP002317725, ISSN: 0012-1606 *
LI X ET AL: "Differentiation of human embryonic stem cells into motoneurons.", SOCIETY FOR NEUROSCIENCE ABSTRACT VIEWER AND ITINERARY PLANNER, 2003, 33RD ANNUAL MEETING OF THE SOCIETY OF NEUROSCIENCE; NEW ORLEANS, LA, USA; NOVEMBER 08-12, 2003, pages ABSTRACT NO. 347.7, XP009087528, Retrieved from the Internet <URL:http://sfn.scholarone.com> [retrieved on 30070730] *
LI XUE-JUN ET AL: "Specification of motoneurons from human embryonic stem cells", NATURE BIOTECHNOLOGY, vol. 23, no. 2, February 2005 (2005-02-01), pages 215 - 221, XP009087451, ISSN: 1087-0156 *
MUJTABA T ET AL: "Lineage-restricted neural precursors can be isolated from both the mouse neural tube and cultured ES cells", DEVELOPMENTAL BIOLOGY, ACADEMIC PRESS, NEW YORK, NY, US, vol. 214, no. 1, 1 October 1999 (1999-10-01), pages 113 - 127, XP002216609, ISSN: 0012-1606 *
See also references of WO2005021720A2 *
YAN YIPING ET AL: "Directed differentiation of dopaminergic neuronal subtypes from human embryonic stem cells", STEM CELLS (MIAMISBURG), vol. 23, no. 6, June 2005 (2005-06-01), pages 781 - 790, XP009087442, ISSN: 1066-5099 *

Also Published As

Publication number Publication date
GB2421029B (en) 2008-04-09
GB2421029A (en) 2006-06-14
WO2005021720A3 (en) 2005-05-19
JP2010162024A (en) 2010-07-29
GB0605851D0 (en) 2006-05-03
JP5529561B2 (en) 2014-06-25
CA2536588A1 (en) 2005-03-10
WO2005021720A2 (en) 2005-03-10
EP1670901A2 (en) 2006-06-21
IL173832A0 (en) 2006-07-05
KR20080109943A (en) 2008-12-17
JP2007503811A (en) 2007-03-01
CA2536588C (en) 2018-04-24
IL198450A (en) 2011-01-31
AU2004269361A1 (en) 2005-03-10
IL173832A (en) 2011-02-28
KR20060115351A (en) 2006-11-08
AU2004269361B2 (en) 2010-05-20

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