WO2005003331A1 - Método para el almacenamiento y/o transporte de cultivos celulares in vitro - Google Patents
Método para el almacenamiento y/o transporte de cultivos celulares in vitro Download PDFInfo
- Publication number
- WO2005003331A1 WO2005003331A1 PCT/ES2004/000140 ES2004000140W WO2005003331A1 WO 2005003331 A1 WO2005003331 A1 WO 2005003331A1 ES 2004000140 W ES2004000140 W ES 2004000140W WO 2005003331 A1 WO2005003331 A1 WO 2005003331A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gelatin
- culture
- cells
- support
- culture medium
- Prior art date
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Classifications
-
- 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
- C12N5/0068—General culture methods using substrates
-
- 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
- C12N2533/00—Supports or coatings for cell culture, characterised by material
- C12N2533/50—Proteins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/975—Kit
Definitions
- the invention relates to obtaining a method for storing and transporting organized two-dimensional cell cultures in vitro, as well as obtaining a kit for storing and transporting said cultures.
- Cell cultures homogeneous or not (co-cultures), can constitute useful models of some genetic, biochemical, metabolic or physiological processes that take place in the living organism.
- the ease of handling allows the analysis of a large number of conditions before conducting definitive animal experiments or clinical trials in humans.
- the "in vitro" models constitute a tool for the validation of new therapeutic targets, for the selection of series heads in high-performance systems, for the definition of the mechanism of action of new molecules and, in general, for biomedical research, biotechnological or cosmetic.
- Huvec umbilical cord cells grown to confluence, can be induced to form structures comparable to blood vessels under appropriate experimental conditions, making them a good model of angiogenesis (Vailhe et al., Lab. Invest. 81: 439- 452, 2001). However, the number of cell divisions prior to the experiment and the stimulus used are critical to obtain an adequate response.
- Document EP 702 081 describes a method for storing and transporting three-dimensional tissues that consists of placing said three-dimensional tissue fixed on two types of sponges in a gelatin solution, in such a way that by cooling it gels, thus facilitating its transport and storage.
- the object of the present application is to provide a method for the storage and transport of organized two-dimensional cell cultures in vitro that meets the needs of the state of the art mentioned above.
- Figure 1 Response in a migration assay of HUVEC endothelial cells, stimulated or not, without conditioning medium (cells that have not been maintained in the gelatin medium) and with conditioning medium (72 hours after being maintained in the gelatin medium), measured in fluorescence units.
- the invention provides in its main aspect a method for storage and / or transportation of in vitro organized cell cultures comprising the following steps: a) coating with a gelatin solution in the culture medium at a concentration of 1 to 5% of an organized cell culture immobilized on an asymmetric support, said cell culture comprising cells in the adequate functional state, b) solidification at a temperature of 15 to 25 ° C of the gelatin added to the support, and c) storage and / or transport of the cell culture at a temperature of 15 to 25 ° C, for a period of up to 96 hours.
- the present application also provides in a second aspect of the invention a kit for the storage and transportation of two-dimensional cell cultures organized in vitro according to the method of the invention comprising: i) an asymmetric support, and
- the invention provides a method for the storage and / or transport of organized two-dimensional cell cultures in vitro, comprising the following steps: a) coating with a gelatin solution in the culture medium at a concentration of 1 to 5 % by weight of an organized cell culture immobilized on an asymmetric support, said cell culture comprising cells in the adequate functional state, b) solidification at a temperature of 15 to 25 ° C of the gelatin added to the support, and c) storage and / or transport of cell culture at a temperature from 15 to 25 ° C, for a period of up to 96 hours.
- the method of the invention comprises the following additional steps: d) liquefaction of the gelatin, e) elimination of the gelatin and its replacement by a culture medium, and, f) incubation of the culture.
- the method of the invention enables the physiological properties of cells to be maintained during storage and / or transport of the cell culture or model and, in addition, the essential mechanical properties for the cell model to be protected.
- asymmetric support is understood as those containers that contain two compartments physically separated by a semi-permeable membrane on top of which the culture cells are placed.
- the present invention employs the transwell type support.
- the two-dimensional cell cultures of the invention are organized cultures such as: Huvec cells grown to confluence on a collagen support; confluent culture of differentiated Caco-2 cells; or any other type of cells capable of growing in monolayers such as fibroblasts, tumor cells, liver cells, endothelial cells, etc.
- intestinal epithelial lines derived from tumors are Caco-2, TC7, HT29
- the organized two-dimensional cell culture of the invention is differentiated, polarized, and functionally active.
- the gelatin solution is prepared by dissolving gelatin in the same culture medium, which acts as a solvent. Thanks to the use of the culture medium as a solvent, it is achieved that the culture stored and / or transported according to the method of the present invention guarantees the user the preservation of the functional properties of the culture and an immediate use.
- the gelatin solution used is 2.5% by weight.
- any commercial gelatin can be used, such as gelatin type A of pigskin.
- any commercial culture medium can also be used, as a medium
- the gelatin solution in the culture medium can be supplemented with fetal bovine serum (10% FBS) and Penicillin / Streptomycin / L-Glutamine (complete culture medium).
- the cell culture can be prepared in the following way: first, before planting the cells, perform a coating that involves: 1) placing the inserts or transwells on top of the wells of the corresponding size; 2) apply a solution of collagen (or other cell-type dependent extracellular matrix component) in DMEM culture medium (1g / L glucose) without serum (or other) on the upper face of the filters (semipermeable membranes) of each insert. commercial medium); and 3) preferably leave at 37 ° C in the cell culture oven (90% humidity, 5% C0 2 ). Before using the insert, the excess coating solution is aspirated from the apical side, left for approximately 15 to 30 minutes in the culture oven, and the cells corresponding to the density determined for each cell type and for each type of test.
- the characteristics of the inserts or transwells used are specifically determined by the cell type and the assay to which the present invention can be applied. Depending on the type of cell used in the culture and the type of assay, after a number of days elapsed, controls are carried out to determine the functional status of the cellular system. For example, in the case of cellular systems that are used as barrier models, TEER (TransEpithelial Electrical Resistance) and paracellular permeability can be used.
- TEER TransEpithelial Electrical Resistance
- paracellular permeability can be used.
- a determination of the migration / invasion capacity is made by labeling with a fluorochrome (eg, calcein) of cells that have migrated to the lower part of the filter and subsequent quantification by fluorimetry.
- a fluorochrome eg, calcein
- the cell culture is coated with a gelatin solution in the culture medium at a concentration of 1 to 5%.
- the gelatin will be applied at the precise moment in which it has been verified that the cellular system has just reached the adequate functional state, so that the already functional cellular system is immobilized, but the user is left a time frame for do your trials upon receiving the system.
- the elapsed cultivation time is called "life time”.
- the life times of cell cultures depend not only on the cell types of the culture (fibroblasts, tumor lines, etc.) but also on their functional application (assay barrier pass, adhesion test, migration test, invasion test). Their determination is a matter of experimental practice.
- the lifespan will be between 30 minutes and 1 hour after the cells are seeded.
- the time will be between 1 and 24 hours.
- the life time will be 13 days after seeding the cells, after which time they are already functional as a barrier and the gelatin is applied, leaving the user until day 25 of culture to carry out the barrier passage test.
- suitable functional state is understood to be the state that viable cells of the culture present when they are capable of performing the function assigned to them in the assay.
- the plate is incubated with solid gelatin inside a cell incubator until the gelatin is completely liquefied, preferably at 37 ° C, 90% humidity and 5% C0 2 for 3 to 4 hours until the gelatin is completely liquefied. It is then removed from both compartments by aspiration and the culture is washed with a balanced culture medium at 37 ° C. Subsequently, the specific culture medium is applied to the cells in question and the The latter are preferably incubated at 37 ° C in 90% humidity / 5% C0 2 until use.
- the present application provides in a second aspect of the invention a kit for the storage and transport of two-dimensional cell cultures organized in vitro according to the method of the invention, comprising: i) an asymmetric support, and ii) a gelatin solution in the culture medium at a concentration of 1 to 5%.
- the kit of the present invention uses a transwell type support as an asymmetric support.
- Example 1 Method for storing and transporting the C Caaccoo model - 22 d dee b baarrrreerraa i inntteessttiinnaall i inn v viittrroo.
- Pig skin gelatin type A is used, dissolved in DMEM culture medium (1g / L glucose) at 50 ° C and directly at the use concentration.
- the inserts 12 hours before seeding the cells, the inserts (6.5mm diameter transwells) are placed on top of the wells of the corresponding size, and it is applied on the upper face of the polycarbonate filters (semipermeable membranes of 0.4 ⁇ m pore diameter) of each insert a rat tail type I collagen solution (20 ⁇ g / ml) in DMEM culture medium (1g / L glucose) without serum, and left at 37 ° C in the culture oven cell phones (90% humidity, 5% C0 2 ). Before use, the excess coating solution is aspirated from the apical face, left for 15 to 30 minutes in the culture oven, and the Caco-2 cells are seeded at a density of 5 X 10 5 cells / cm 2 . The culture is maintained for 13 days, with medium changes every 48-72 hours, putting 300 ⁇ l of complete culture medium in the apical compartment and 900 ⁇ l in the basal.
- the barrier status (polarization) controls of the Caco-2 monolayer were performed using TEER (TransEpithelial Electrical Resistance) and paracellular permeability. These controls make it possible to determine the functional state of the cellular system as a barrier before coating it with gelatin.
- TEER TransEpithelial Electrical Resistance
- the plate is incubated with solid gelatin inside a cell incubator at 37 ° C, 90% humidity and 5% C0 2 for 3 to 4 hours until the complete gelatin liquefaction . It is then removed from both compartments by aspiration and the culture is washed with complete culture medium balanced at 37 ° C. Subsequently, the specific culture medium for Caco-2 cells is applied and the cells are incubated at 37 ° C in 90% humidity / 5% C0 2 until use (minimum 24 hours; maximum 9 days later), changing the medium every 48 -72 hours.
- Table 1 Stability of the functional barrier state of the Caco-2 cellular system stored in 2.5% room temperature gelatin, evaluated by TEER measurement (values in ohm x cm 2 ).
- Caco-2 up to 4 days at room temperature without affecting its functional barrier status; and 2) once the gelatin has been removed, maintain its functional state for up to 9 days afterwards to carry out barrier passage tests.
- Example 2 Characteristics of the cultures and determination of the life times of the culture before applying the gelatin.
- Table II indicates some of the cell types that can be cultivated in transwells that form monolayers and that are capable of being storable and transportable in gelatin in its barrier state and, therefore, cultures to which the present method of transport.
- Caco-2, TC7, HT29 M6 tumor-derived intestinal epithelial lines
- - MDCK kidney epithelial line
- HEK primary human skin keratinocytes
- HUVEC HMEC-1
- BBEC BBEC
- HAEC HAEC
- BAEC primary lines or cultures of endothelial cells.
- Table II Recommended cell densities for seeding in inserts and culture times for obtaining in vitro barrier systems.
- the cultivation times indicated in Table II refer to the optimal time interval for obtaining a polarized monolayer, beyond which it loses its optimal functional properties as a cell barrier.
- Gelatin is applied to the culture at the moment when it reaches the adequate functional state.
- gelatin is preferably applied on day 13 (approximate minimum time at which cells begin to form a functional polarized monolayer or barrier). They can be kept in gelatin until approximately day 17 at room temperature and used until approximately day 25, without losing their functional barrier properties.
- the life time will be between 30 minutes and 1 hour after seeding the cells. .
- the time will be between 1 and 24 hours.
- Example 3 Method for storing and transporting systems cells for "ready to use” migration / invasion assays.
- Pig skin gelatin type A is used, dissolved in the corresponding culture medium of the cell type to be used (for example, DMEM
- the inserts In case of coating, 12 hours before sowing the cells, the inserts (Fluoroblock system of 3 or 8 ⁇ m diameter) are placed on top of the wells of corresponding size, it is applied on the upper and lower face of the filters of each insert a solution of the corresponding matrix (collagen, fibronectin, vitronectin etc.) diluted in PBS, and left at 37 ° C in the cell culture oven (90% humidity, 5% C0 2 ). Before use, excess coating solution is aspirated from the apical side, left for 15 to 30 minutes in the culture oven, and the cells are seeded at a density that depends on the cell type (between 5 x
- the gelatin solution is placed in a culture bath at 37 ° C until its complete liquefaction and equilibrates at the temperature of the culture (37 ° C).
- the culture medium is then removed from the apical compartment of each insert and washed with culture medium (without serum in this case).
- the plate is incubated with solid gelatin inside a cell incubator at 37 ° C, 90% humidity and 5% CO 2 for 3 to 4 hours until the complete liquefaction of the gelatin. It is then removed from both compartments by aspiration and the culture is washed with serum-free culture medium equilibrated at 37 ° C. At this time the culture is ready for the migration / invasion test.
- the response of HUVEC cells that have not been maintained in conditioning medium is compared with the response of HUVEC cells maintained for 72 hours with conditioning medium.
- the cells have been stimulated (control +) with complete EBM medium (with growth factors and 10% fetal bovine serum).
- Unstimulated cells have been maintained with EBM without supplement in the basal part.
- the cells kept in gelatin are capable of responding to a migratory stimulus (+ control in the figure).
- This result indicates that the gelatin storage method described in this invention allows: 1) to immobilize the HUVEC system for up to 3 days at room temperature without affecting its functional state; and 2) once the gelatin is removed, a migration test can be performed.
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- Biotechnology (AREA)
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- Bioinformatics & Cheminformatics (AREA)
- Genetics & Genomics (AREA)
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- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
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- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2530318A CA2530318C (en) | 2003-07-01 | 2004-03-29 | Method of storing and/or transporting in vitro cell cultures |
JP2006518239A JP5460946B2 (ja) | 2003-07-01 | 2004-03-29 | インビトロ細胞培養物を保存および/または輸送する方法 |
EP04724028A EP1650292B1 (en) | 2003-07-01 | 2004-03-29 | Method of storing and/or transporting in vitro cell cultures |
US10/563,033 US8900842B2 (en) | 2003-07-01 | 2004-03-29 | Method of storing and/or transporting in vitro cell cultures |
DE602004022052T DE602004022052D1 (de) | 2003-07-01 | 2004-03-29 | Verfahren zur lagerung und/oder zum transport von in-vitro-zellkulturen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP200301526 | 2003-07-01 | ||
ES200301526A ES2222093A1 (es) | 2003-07-01 | 2003-07-01 | Metodo para el almacenamiento y/o transporte de cultivos celulares in vitro. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005003331A1 true WO2005003331A1 (es) | 2005-01-13 |
Family
ID=33560931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2004/000140 WO2005003331A1 (es) | 2003-07-01 | 2004-03-29 | Método para el almacenamiento y/o transporte de cultivos celulares in vitro |
Country Status (7)
Country | Link |
---|---|
US (1) | US8900842B2 (es) |
EP (1) | EP1650292B1 (es) |
JP (2) | JP5460946B2 (es) |
CA (1) | CA2530318C (es) |
DE (1) | DE602004022052D1 (es) |
ES (2) | ES2222093A1 (es) |
WO (1) | WO2005003331A1 (es) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009512531A (ja) * | 2005-10-24 | 2009-03-26 | エー・デー・ガイストリヒ・ゾーネ・アクチェンゲゼルシャフト・フュール・ヒェーミシェ・インダストリー | 滑膜細胞が充填されるコラーゲン膜またはゲルのための方法および装置 |
WO2022144883A3 (en) * | 2020-12-28 | 2022-11-03 | 1E Therapeutics, Ltd. | P21 mrna targeting dnazymes |
US11981896B2 (en) | 2020-12-28 | 2024-05-14 | 1E Therapeutics Ltd. | p21 mRNA target areas for silencing |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2233175B1 (es) * | 2003-04-10 | 2006-02-01 | Industras Samar't, S.A. | Disposicion de troquelado de placas o letreros embutiendo por rehundido. |
JP5237714B2 (ja) * | 2008-07-29 | 2013-07-17 | BioROIS株式会社 | 細胞輸送用担体及びそれを使用した細胞の輸送方法 |
ES2343721B1 (es) | 2008-12-19 | 2011-06-06 | Histocell, S.L. | Sistema de transporte de celulas. |
DE102009022354B4 (de) * | 2009-05-15 | 2015-05-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Bioreaktorsystem |
US20230105072A1 (en) | 2020-02-14 | 2023-04-06 | Readycell, S.L. | System for storing and transporting cell lines |
LU102338B1 (en) | 2020-12-21 | 2022-06-21 | Luxembourg Inst Science & Tech List | Medium for in vitro transportation and storage of cells |
Citations (5)
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EP0702081A2 (en) * | 1994-09-19 | 1996-03-20 | Gunze Limited | Matrix for tissue culture, method for culturing tissue, method for fixing cultured tissue and artificial skin fixed |
US6194138B1 (en) * | 1997-08-16 | 2001-02-27 | Rolf Zander | Method for flushing blood cells using gelatin |
EP1127580A2 (en) * | 2000-02-23 | 2001-08-29 | Pfizer Products Inc. | Method of increasing the bioavailability and tissue penetration of azithromycin |
WO2001066783A1 (en) * | 2000-03-08 | 2001-09-13 | Korea Research Institute Of Bioscience And Biotechnology | Novel 7,8-dihydro-xanthenone-8-carboxylic acid derivative and novel microbe producing the same |
WO2002074301A1 (en) * | 2001-03-15 | 2002-09-26 | University Of Pittsburgh Of The Commonwealth System Of Higher Education | Method of using pyruvate and/or its derivatives for the treatment of cytokine-mediated inflammatory conditions |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH089966A (ja) * | 1994-06-30 | 1996-01-16 | Sumitomo Bakelite Co Ltd | 動物細胞の輸送方法 |
GB0031065D0 (en) * | 2000-12-20 | 2001-01-31 | Univ Cardiff | Preservation of cells |
-
2003
- 2003-07-01 ES ES200301526A patent/ES2222093A1/es active Pending
-
2004
- 2004-03-29 JP JP2006518239A patent/JP5460946B2/ja not_active Expired - Lifetime
- 2004-03-29 US US10/563,033 patent/US8900842B2/en active Active
- 2004-03-29 EP EP04724028A patent/EP1650292B1/en not_active Expired - Lifetime
- 2004-03-29 WO PCT/ES2004/000140 patent/WO2005003331A1/es active Application Filing
- 2004-03-29 ES ES04724028T patent/ES2329793T3/es not_active Expired - Lifetime
- 2004-03-29 CA CA2530318A patent/CA2530318C/en not_active Expired - Lifetime
- 2004-03-29 DE DE602004022052T patent/DE602004022052D1/de not_active Expired - Lifetime
-
2011
- 2011-02-04 JP JP2011022733A patent/JP2011120600A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0702081A2 (en) * | 1994-09-19 | 1996-03-20 | Gunze Limited | Matrix for tissue culture, method for culturing tissue, method for fixing cultured tissue and artificial skin fixed |
US6194138B1 (en) * | 1997-08-16 | 2001-02-27 | Rolf Zander | Method for flushing blood cells using gelatin |
EP1127580A2 (en) * | 2000-02-23 | 2001-08-29 | Pfizer Products Inc. | Method of increasing the bioavailability and tissue penetration of azithromycin |
WO2001066783A1 (en) * | 2000-03-08 | 2001-09-13 | Korea Research Institute Of Bioscience And Biotechnology | Novel 7,8-dihydro-xanthenone-8-carboxylic acid derivative and novel microbe producing the same |
WO2002074301A1 (en) * | 2001-03-15 | 2002-09-26 | University Of Pittsburgh Of The Commonwealth System Of Higher Education | Method of using pyruvate and/or its derivatives for the treatment of cytokine-mediated inflammatory conditions |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009512531A (ja) * | 2005-10-24 | 2009-03-26 | エー・デー・ガイストリヒ・ゾーネ・アクチェンゲゼルシャフト・フュール・ヒェーミシェ・インダストリー | 滑膜細胞が充填されるコラーゲン膜またはゲルのための方法および装置 |
US8293225B2 (en) | 2005-10-24 | 2012-10-23 | Ed. Geistlich Soehne Ag Fuer Chemische Industrie | Method and device for synovial cell-charged collagen membrane or gel |
US8852580B2 (en) | 2005-10-24 | 2014-10-07 | Geistlich Pharma Ag | Method and device for synovial cell-charged collagen membrane or gel |
WO2022144883A3 (en) * | 2020-12-28 | 2022-11-03 | 1E Therapeutics, Ltd. | P21 mrna targeting dnazymes |
US11879140B2 (en) | 2020-12-28 | 2024-01-23 | 1E Therapeutics Ltd. | P21 mRNA targeting DNAzymes |
US11981896B2 (en) | 2020-12-28 | 2024-05-14 | 1E Therapeutics Ltd. | p21 mRNA target areas for silencing |
Also Published As
Publication number | Publication date |
---|---|
US20090239282A1 (en) | 2009-09-24 |
EP1650292A1 (en) | 2006-04-26 |
JP2011120600A (ja) | 2011-06-23 |
JP2007525200A (ja) | 2007-09-06 |
DE602004022052D1 (de) | 2009-08-27 |
JP5460946B2 (ja) | 2014-04-02 |
ES2222093A1 (es) | 2005-01-16 |
CA2530318C (en) | 2012-08-21 |
CA2530318A1 (en) | 2005-01-13 |
EP1650292B1 (en) | 2009-07-15 |
US8900842B2 (en) | 2014-12-02 |
ES2329793T3 (es) | 2009-12-01 |
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