FR2559502B1 - Procede d'encapsulation, notamment de cellules, dans des membranes semi-permeables - Google Patents

Procede d'encapsulation, notamment de cellules, dans des membranes semi-permeables

Info

Publication number
FR2559502B1
FR2559502B1 FR8501965A FR8501965A FR2559502B1 FR 2559502 B1 FR2559502 B1 FR 2559502B1 FR 8501965 A FR8501965 A FR 8501965A FR 8501965 A FR8501965 A FR 8501965A FR 2559502 B1 FR2559502 B1 FR 2559502B1
Authority
FR
France
Prior art keywords
encapsulation
semi
cells
permeable membranes
membranes
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.)
Expired
Application number
FR8501965A
Other languages
English (en)
French (fr)
Other versions
FR2559502A1 (fr
Inventor
Wen-Ghih Tsang
Ann Wen Shue Shyr
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.)
Abbott Biotech Inc
Original Assignee
Damon Biotech Inc
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 Damon Biotech Inc filed Critical Damon Biotech Inc
Publication of FR2559502A1 publication Critical patent/FR2559502A1/fr
Application granted granted Critical
Publication of FR2559502B1 publication Critical patent/FR2559502B1/fr
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5031Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605Excipients; Inactive ingredients
    • A61K9/1629Organic macromolecular compounds
    • A61K9/1652Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5073Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/06Making microcapsules or microballoons by phase separation
    • B01J13/08Simple coacervation, i.e. addition of highly hydrophilic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/20After-treatment of capsule walls, e.g. hardening
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/0012Cell encapsulation
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N5/00Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
    • C12N5/10Cells modified by introduction of foreign genetic material
    • C12N5/12Fused cells, e.g. hybridomas
    • C12N5/16Animal cells
    • C12N5/163Animal cells one of the fusion partners being a B or a T lymphocyte
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2533/00Supports or coatings for cell culture, characterised by material
    • C12N2533/70Polysaccharides
    • C12N2533/74Alginate

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Cell Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
FR8501965A 1984-02-13 1985-02-12 Procede d'encapsulation, notamment de cellules, dans des membranes semi-permeables Expired FR2559502B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/579,494 US4663286A (en) 1984-02-13 1984-02-13 Encapsulation of materials

Publications (2)

Publication Number Publication Date
FR2559502A1 FR2559502A1 (fr) 1985-08-16
FR2559502B1 true FR2559502B1 (fr) 1988-08-26

Family

ID=24317126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8501965A Expired FR2559502B1 (fr) 1984-02-13 1985-02-12 Procede d'encapsulation, notamment de cellules, dans des membranes semi-permeables

Country Status (14)

Country Link
US (1) US4663286A (enExample)
JP (1) JPS60190229A (enExample)
AU (1) AU572609B2 (enExample)
BE (1) BE901704A (enExample)
CA (1) CA1238273A (enExample)
CH (1) CH665137A5 (enExample)
DE (1) DE3504724C2 (enExample)
DK (1) DK65285A (enExample)
FR (1) FR2559502B1 (enExample)
GB (1) GB2153780B (enExample)
IT (1) IT1184885B (enExample)
NL (1) NL8500352A (enExample)
NO (1) NO850535L (enExample)
SE (1) SE8500623L (enExample)

Families Citing this family (97)

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US5389532A (en) * 1988-07-07 1995-02-14 Champagne Moet & Chandon Process of producing a dehydrated polysaccharide gel containing microorganisms for preparing fermented drinks
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WO1990010063A1 (en) * 1989-02-21 1990-09-07 Biosys Method and medium for packaging entomogenous nematodes
DE3908997A1 (de) * 1989-03-18 1990-09-20 Huels Chemische Werke Ag Verfahren zur herstellung immobilisierter hefen fuer die sektgaerung
WO1991001720A1 (en) * 1989-08-07 1991-02-21 Herman Wade Schlameus Composition and method of promoting hard tissue healing
US5190041A (en) * 1989-08-11 1993-03-02 Palti Yoram Prof System for monitoring and controlling blood glucose
US5101814A (en) * 1989-08-11 1992-04-07 Palti Yoram Prof System for monitoring and controlling blood glucose
US5459054A (en) * 1989-12-05 1995-10-17 Neocrin Company Cells encapsulated in alginate containing a high content of a- l- guluronic acid
EP0502949A4 (en) * 1989-12-05 1993-02-24 Trancel Corporation Homologous guluronic acid alginate coating composition for in-vivo application and implantation and method of using same
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US5084350A (en) * 1990-02-16 1992-01-28 The Royal Institution For The Advance Of Learning (Mcgill University) Method for encapsulating biologically active material including cells
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US5227298A (en) * 1990-08-17 1993-07-13 The Trustees Of Columbia University In The City Of New York Method for microencapuslation of cells or tissue
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Also Published As

Publication number Publication date
BE901704A (fr) 1985-05-29
DK65285D0 (da) 1985-02-12
SE8500623D0 (sv) 1985-02-12
GB8503247D0 (en) 1985-03-13
NO850535L (no) 1985-08-14
JPH0150454B2 (enExample) 1989-10-30
DK65285A (da) 1985-08-14
FR2559502A1 (fr) 1985-08-16
DE3504724A1 (de) 1985-09-05
SE8500623L (sv) 1985-08-14
DE3504724C2 (de) 1987-03-26
GB2153780A (en) 1985-08-29
NL8500352A (nl) 1985-09-02
JPS60190229A (ja) 1985-09-27
US4663286A (en) 1987-05-05
GB2153780B (en) 1987-10-21
CA1238273A (en) 1988-06-21
IT8567142A1 (it) 1986-08-12
CH665137A5 (de) 1988-04-29
AU572609B2 (en) 1988-05-12
AU3857285A (en) 1985-08-22
IT1184885B (it) 1987-10-28
IT8567142A0 (it) 1985-02-12

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