WO2006011682A1 - リンパ球の保存及び輸送方法 - Google Patents
リンパ球の保存及び輸送方法 Download PDFInfo
- Publication number
- WO2006011682A1 WO2006011682A1 PCT/JP2005/014365 JP2005014365W WO2006011682A1 WO 2006011682 A1 WO2006011682 A1 WO 2006011682A1 JP 2005014365 W JP2005014365 W JP 2005014365W WO 2006011682 A1 WO2006011682 A1 WO 2006011682A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lymphocytes
- transported
- mononuclear cells
- peripheral blood
- lymphocyte
- 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.)
- Ceased
Links
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
- C12N5/0081—Purging biological preparations of unwanted cells
- C12N5/0087—Purging against subsets of blood cells, e.g. purging alloreactive T cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- 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
- C12N5/0634—Cells from the blood or the immune system
Definitions
- the present invention relates to a method for storing lymphocytes.
- the present invention also relates to a method for transporting lymphocytes.
- cancer malignant neoplasm
- immune cell therapy refers to collecting blood from a patient, separating and culturing lymphocytes contained in the blood, activating and / or proliferating the lymphocytes, activating and / or proliferating the lymphocytes. This refers to the treatment of returning activated lymphocytes (including activated and / or proliferated lymphocytes including lymphokine activated killer cells (hereinafter referred to as LAK cells)) to the patient's body.
- LAK cells lymphokine activated killer cells
- lymphocytes collected from the patient and the activated and Z or proliferated lymphocytes for a certain period of time in advance. There is a case.
- red blood cells or platelets used for transfusion In general, however, only the storage temperature of whole blood, red blood cells or platelets used for transfusion is known. Disclosure of the invention
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a technique for maintaining the lymphocyte viable cell rate and the IFN-a producing cell rate during storage and transportation.
- the viable cell ratio is maintained even after 10 hours or more, especially 24 hours or more.
- the rate of IFN-a producing cells can be kept high.
- the temperature may be maintained with a normal thermostatic device, and when transported, it may be transported in a state of being placed in the thermostatic device.
- the cold storage for maintaining the temperature of the present invention may be stored and Z or transported in a normally used cold storage box having excellent heat insulation.
- FIG. 1 is a graph showing changes in the percentage of viable cells over time when lymphocytes (L AK cells) are suspended in physiological saline and stored at 0, 6, 14 and 25 X.
- FIG. 2 is a graph showing the change over time in the rate of IFN—r producing cells when lymphocytes (L AK cells) are suspended in physiological saline and stored in 0, 6, 14 and 2.
- lymphocytes are collected and separated from the blood of patients with cancer and Z or infection.
- peripheral blood mononuclear cells may be separated after collection.
- any method for separating nucleated cells from red blood cells can be used as a method for separating peripheral blood mononuclear cells.
- Ficoll pack Ficol 1-Paque density gradient method is generally used.
- peripheral blood mononuclear cells By isolating peripheral blood mononuclear cells, the storage temperature range described above is expanded to 5 to 2 2 X.
- the isolated peripheral blood mononuclear cells may be suspended in any carrier as long as they are isotonic with cells, but are preferably suspended in autologous plasma.
- lymphocytes are cultured.
- the lymphocyte refers to a T lymphocyte, a B lymphocyte, an NK cell, or an NKT cell.
- the culture method is not particularly limited, and any culture method generally used in the art may be used. When used for activated autolymphocyte therapy, a method using an anti-CD3 antibody and IL-12 is particularly preferable.
- the anti-CD3 antibody may be added to the medium or immobilized on the culture vessel, but it is preferable to seed lymphocytes in a culture vessel such as a flask on which the anti-CD3 antibody is immobilized.
- the concentration of IL-2 is preferably added to the medium so as to have a concentration of 100 to 200 IUZmL.
- Culture 3 4 to 3 8 ° C, preferably at 3 7 ° C,. 2 to 1 0% conducted preferably at C_ ⁇ 2 under 5% culture period from one day to 2 days 0, especially 1 ⁇ 2 weeks is preferred.
- the medium that can be used is not particularly limited, but AIM-V medium (Invitrogen), RPM 1-1640 medium (Invitrogen), Dulbecco's modified medium (Invitrogen), Iskov medium (Invitrogen), KBM Commercially available media used for cell culture such as media (Kohjin Bio) and AL y S media (Cell Science Laboratory) can be used. If necessary, 5 to 20% of bovine serum, fetal bovine serum, human serum, human plasma, etc. can be added.
- the culture vessel is not particularly limited, and culture plates, petri dishes, flasks, bags, etc. that are usually used in the field can be used.
- the concentration for seeding each cell group can be freely set according to the situation.
- the lymphocytes separated and cultured from the blood thus collected and then harvested are prepared as an injection using a commonly used carrier.
- the carrier to be used is not particularly limited.
- an isotonic solution such as physiological saline, P B S (phosphate buffered physiological saline) and the like can be mentioned.
- a serum component such as albumin may be added to the isotonic solution.
- lymphocytes preserved in this state maintain a high viable cell rate and an IFN-a-producing cell rate, and are useful as an injection for immune cell therapy.
- it is useful as an injection for use in immune cell therapy for cancer and Z or infection.
- the collected blood is stored and Z or transported at 16 to 22 ° C., so that peripheral blood mononuclear cells are well separated from the collected blood and proliferative. Can be maintained in a state.
- the storage temperature range is expanded to 5 to 22 while maintaining a high proliferative state.
- the lymphocytes obtained by culturing are stored and transported or transported at 0-6 ° C. Thereby, it is possible to obtain lymphocytes which maintain a high viable cell rate and an IFN-producing cell rate while maintaining a high proliferative state. Therefore, in lymphocyte culture, there is an excellent effect by imposing different handling on the sample blood before culturing and the lymphocyte obtained after culturing, and further, by combining these handling, a more excellent effect can be obtained it can.
- culture method used here is not limited to the above-described conditions, but can also apply conditions commonly known in lymphocyte culture.
- Human peripheral blood mononuclear cells are seeded in anti-CD3 antibody (Orthoclone: Janssen Pharma) solid-phase flask (Sumitomo Beichikrite) and IL-2 is adjusted to 280 I UZmL in the medium (KBM400: Kojin Bio) And cultured (37 ° C, C 0 2 : 5%).
- lymphocytes After culturing for 14 days, lymphocytes (LAK cells) were collected by centrifugation and washed.
- the cultured lymphocytes were stored in physiological saline (0.2% human serum albumin) at a density of 5 ⁇ 10 7 ce 11 s / mL.
- the viable cell ratio after each storage time was determined by the PI (Propidiurn Iodide) method, and I FN-a producing cells.
- the rate was measured by the measurement method of intracellular site force by PMA (Phorbo 1 1 2 -Myristate 13-Ac etate) and ionomycin (I ono myc in) stimulation.
- Figure 1 shows the change in the viable cell ratio after 6, 30, 36, and 50 hours after harvesting at each storage temperature.
- Figure 2 shows the change in the IFN-producing cell rate after 6, 24, 30, 36, and 50 hours after harvesting at each storage temperature.
- the method of the present invention provides a method for storage and transport while maintaining a high lymphocyte viable cell rate and IFN-producing cell rate, It has excellent effects as a storage and Z or transport method for injections containing spheres.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Hematology (AREA)
- General Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Immunology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Molecular Biology (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006527902A JPWO2006011682A1 (ja) | 2004-07-30 | 2005-07-29 | リンパ球の保存及び輸送方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004247556 | 2004-07-30 | ||
| JP2004-247556 | 2004-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006011682A1 true WO2006011682A1 (ja) | 2006-02-02 |
Family
ID=35786406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/014365 Ceased WO2006011682A1 (ja) | 2004-07-30 | 2005-07-29 | リンパ球の保存及び輸送方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (2) | JPWO2006011682A1 (ja) |
| WO (1) | WO2006011682A1 (ja) |
-
2005
- 2005-07-29 WO PCT/JP2005/014365 patent/WO2006011682A1/ja not_active Ceased
- 2005-07-29 JP JP2006527902A patent/JPWO2006011682A1/ja active Pending
-
2011
- 2011-04-04 JP JP2011082603A patent/JP2011139711A/ja active Pending
Non-Patent Citations (7)
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2006011682A1 (ja) | 2008-05-01 |
| JP2011139711A (ja) | 2011-07-21 |
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