WO2018143166A1 - 細胞の凍結保存組成物および凍結保存方法 - Google Patents
細胞の凍結保存組成物および凍結保存方法 Download PDFInfo
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- the present invention relates to a cryopreservation composition used for cryopreserving cells and a cryopreservation method using the composition.
- Non-patent Document 1 Non-patent Document 1
- Non-Patent Document 2 dimethyl sulfoxide
- Non-Patent Document 2 DMSO is the most effective and frequently used (Non-Patent Document 2), but it does not satisfy the preservation rate of cells, and it cannot always be said that the effect of suppressing ice crystals is sufficient. .
- Patent Document 3 one that enhances the effect of DMSO by adding polyether
- Patent Document 4 one that enhances the cytoprotective effect by using fructan
- Patent Document 5 stem cells by blending carboxylated polylysine
- concentration of fructan added is as high as 30%, it is difficult to remove economically after storage, or cell storage of carboxylated polylysine focuses only on stem cells, and is not versatile. Since it is a polypeptide, there is a concern about the influence on the functionality of cells, and the preservation of cells is not always satisfactory. Therefore, a low toxicity that can preserve all cells is desired.
- Patent No. 5940975 JP 2001-247401 A Japanese National Patent Publication No. 10-511402 JP 2012-235728 A Japanese Patent No. 5630979 JP 2016-160244 A
- sophorose lipid has an effect of suppressing the formation of ice crystals and can easily suppress cell damage due to frost damage.
- SL sophorose lipid
- a composition containing 0.01% to 20% by weight of sophorose lipid to enhance cell viability after cryopreservation [2] A composition containing 5% to 10% by weight of dimethyl sulfoxide (DMSO) Composition [3] containing 1 to 50% by weight of polyhydric alcohol [1] or [2] The composition [4] polyhydric alcohol as at least one of glycerin, ethylene glycol, and propylene glycol The composition described in [3] containing 5 [5] and the composition described in [1] was added to the cell culture medium so as to be 1% by volume in the cell culture medium immediately before and 6 hours before cryopreserving the cells.
- Method of cryopreserving cells [6] When cells are cryopreserved, the cells are cryopreserved by adding 10% to 99% by volume of the composition described in [2] to [4] to the cell culture medium. how to
- SL can reduce frost damage caused by cells.
- a cell survival rate of a certain level or more can be obtained without depending on the effects of DMSO and serum.
- FIG. 4 is a micrograph of cell morphology, of which (A) is 0.2% SL + 30% Gly, (B) is 0.2% SL + 20% Gly, and (C) is 0.2% SL + 15% Gly.
- (D) is 0.1% SL + 30% Gly
- (E) is 0.1% SL + 20% Gly
- (F) is 0.1% SL + 15% Gly
- (G) is 0 .05% SL + 30% Gly
- (H) is 0.05% SL + 20% Gly
- (I) is 0.05% SL + 15% Gly
- (J) is 30% Gly
- (K) Is 20% DMSO.
- SL is a low-toxic glycolipid type biosurfactant, which is a fermentation product obtained from yeast fermentation. When SL is added before freezing (pre-addition), it is taken into the cell and suppresses ice crystals inside the cell. When SL is added during freezing, it suppresses extracellular ice crystals. It is thought to be effective.
- SL used in the following experimental examples and examples was prepared according to the description in JP-A No. 2016-160244. The SL was adjusted to pH 6-8. Examples of the pH adjuster include an alkali agent and an acid.
- the polyhydric alcohol is glycerin, ethylene glycol, propylene glycol or the like, preferably propylene glycol.
- the cells in the cell preservation solution are animal and plant cells. Somatic cells, cancer cells, cell lines, stem cells, etc.
- the freezing / thawing method using the present invention is not particularly limited, and normal slow freezing / rapid thawing is possible without performing fine temperature control during freezing.
- Example Ice Crystal Inhibition Composition and Ice Crystal Inhibition Effect The composition shown in Table 1 was mixed in a volume ratio of 7: 3 with Dulbecco's modified medium (DMEM), which is the most commonly used medium for cell storage. Each sample was dispensed into a 15 mL centrifuge tube (Thermo Scientific BioLite), cooled in the order of 5 minutes at 4 ° C, 20 minutes at -20 ° C, and -80 ° C, and after 10 minutes at -80 ° C. The appearance of the sample was visually observed.
- DMEM Dulbecco's modified medium
- FIG. 1 is a photomicrograph of ice crystal formation inhibition, of which (A) is ultrapure water, (B) is 10 wt% SL, (C) is 0.1 wt% SL, (D) is 10 wt% DMSO, (E) is 10 wt% Gly, (F) is 10 wt% PG, (G) is 10 wt% EG, (H) is 10 wt% % APG. As shown in FIGS. 1B and 1C, when the composition is SL, the ice crystal formation suppressing effect was obtained at 10 wt% or 0.1 wt%. As shown in FIGS.
- the remaining cells were suspended in 1 mL of 10% DMSO / fetal calf serum-containing DMEM in a cryogenic vial (Sansho), 5 minutes at 4 ° C, 20 minutes at -20 ° C, and -80 ° C. Cooled in order. After overnight storage at ⁇ 80 ° C., thawed rapidly at 37 ° C., and the number of viable cells was counted by trypan blue staining (viable cell number after thawing). The remaining cell suspension was seeded in a 6-well plate and cultured for 72 hours. The number of viable cells after culture was counted by trypan blue staining (number of viable cells after culture).
- the survival rate and proliferation rate upon thawing were calculated by the following formulas.
- human normal fibroblasts (Kurabo) were seeded in a 10 mm dish so as to be 4.0 ⁇ 10 4 cells / ml and cultured for 72 hours. After culturing, a 5 wt% SL aqueous solution was added to a concentration of 0.05% by volume. After culturing for a predetermined time, the cells were seeded on a 96-well plate at 2.0 ⁇ 10 4 cells / ml and cultured for 6 or 72 hours, and the absorbance was measured by Cell Counting Kit-8 (Dojindo Laboratories) ( Unfreezed absorbance).
- a cell suspension was prepared so that the remaining cells had a cell density of 4.0 ⁇ 10 5 cells / ml, and a cryogenic vial (Sansho) was used at a volume ratio of 1: 1 with 20% DMSO. Mixed. It put into the freezing processing container BICELL (Japan freezer), and cooled on -80 degreeC conditions. After overnight storage, thaw quickly at 37 ° C., inoculate 100 ⁇ L on a 96-well plate, incubate for 6 or 72 hours, and measure absorbance by Cell Counting Kit-8 (Dojindo Laboratories) Absorbance).
- Human normal fibroblasts (Kurabo) were seeded in a 6-well plate at 3.2 ⁇ 10 4 cells / ml and cultured for 48 hours. After culturing, the culture medium was removed, and a 5% by weight SL aqueous solution was diluted with DMEM medium to 0.05% by volume and added. After culturing for 6 hours, the number of viable cells was counted by trypan blue staining (number of viable cells before freezing).
- the remaining cells were suspended in 1 mL of 10% DMSO / DMEM in a cryogenic vial (Sansho), and cooled in order of 5 minutes at 4 ° C, 20 minutes at -20 ° C, and -80 ° C. . After overnight storage at ⁇ 80 ° C., thawed rapidly at 37 ° C., and the number of viable cells was counted by trypan blue staining (viable cell number after thawing).
- the survival rate before and after freezing was calculated by the following formula.
- the remaining cells were suspended in 1 mL of 10% DMSO / MSCGM-CD medium in a cryogenic vial (Sansho), 5 minutes at 4 ° C, 20 minutes at -20 ° C, and -80 ° C. Cooled in order. After overnight storage at ⁇ 80 ° C., thawed rapidly at 37 ° C., and the number of viable cells was counted by trypan blue staining (viable cell number after thawing).
- the survival rate before and after freezing was calculated by the following formula.
- the survival rate and proliferation rate before and after freezing were calculated according to the following formulas.
- Examples 12 and 13 showed a high cell survival rate, and Example 13 had a higher survival rate than Comparative Examples 4 to 6.
- Example 14 had a higher growth rate than Comparative Example 7.
- human normal fibroblasts were seeded on a 96-well plate at 2.0 ⁇ 10 4 cells / ml and cultured for 6 hours or 72 hours, and then the absorbance was measured with Cell Counting Kit-8 (Dojindo Laboratories). (Absorbed absorbance). The remaining cells were suspended in DMEM containing fetal bovine serum so as to be 4.0 ⁇ 10 5 cells / ml. In a cryogenic vial (Sansho), each composition shown in Table 9 and the cell suspension were mixed at a volume ratio of 1: 1, put into a freezing container BICELL (Japan Freezer), and under the condition of -80 ° C. Cooled down.
- VEGF cytokine
- the survival rate before and after freezing and the survival rate after growth were calculated by the following formulas.
- Example 22 and 23 had higher survival rates before and after freezing than Comparative Example 10. In addition, Example 23 had a higher survival rate after growth than Comparative Examples 10 and 11.
- the residual rate before and after freezing was calculated by the following formulas.
- Residual rate before and after freezing total number of cells after thawing / total number of cells before freezing ⁇ 100
- mesenchymal stem cells (Lonza) were seeded on a 96-well plate at 2.0 ⁇ 10 4 cells / ml and cultured for 6 hours or 72 hours, and the absorbance was measured by Cell Counting Kit-8 (Dojindo Laboratories). Was measured (unfrozen absorbance). The remaining cells were suspended in DMEM containing fetal bovine serum so as to be 4.0 ⁇ 10 5 cells / ml.
- each composition shown in Table 15 and the cell suspension were mixed at a volume ratio of 1: 1, put into a freezing container BICELL (Japan Freezer), and under the condition of -80 ° C. Cooled down. After storing overnight, thawed rapidly at 37 ° C., 100 ⁇ L was seeded on a 96-well plate, cultured for 6 hours or 72 hours, and the absorbance was measured by Cell Counting Kit-8 (Dojindo Laboratories). Absorbance after storage). In addition, cellular gene (mRNA) expression before and after freezing was evaluated.
- mRNA cellular gene
- the examples of the present invention had a high survival rate before and after freezing.
- the growth rate before and after freezing was also high, but the survival rate before and after freezing slightly decreased when 0.2 wt% SL was added.
- c-myc which is an oncogene serving as an accelerator that promotes cell division, was observed to vary in Comparative Example 26 (20 wt% DMSO) as compared to when it was not frozen. In the examples according to the present invention, there is almost no variation, and it is considered that there is little influence on the mesenchymal stem cells.
- mesenchymal stem cells had lower toxicity in the case of SL + glycerine than DMSO.
- Mesenchymal stem cells (Lonza) are seeded on a 96-well plate at 2.0 ⁇ 10 4 cells / ml and cultured for 6 or 72 hours, and then the absorbance is measured with Cell Counting Kit-8 (Dojindo Laboratories). (Absorbed absorbance). The remaining cells were suspended in DMEM containing fetal bovine serum so as to be 4.0 ⁇ 10 5 cells / ml.
- each composition shown in Table 17 and the cell suspension were mixed at a volume ratio of 1: 1, placed in a freezing container BICELL (Japan Freezer), and at ⁇ 80 ° C. Cooled down. After overnight storage, thawed rapidly at 37 ° C., and without removing each composition, 100 ⁇ L was seeded on a 96-well plate and cultured for 6 hours. Absorbance was measured using Cell Counting Kit-8 (Dojindo Laboratories). Was measured (absorbance after cryopreservation).
- FIG. 3 is a photomicrograph of cell morphology, of which (A) is 0.2 wt% SL + 30 wt% Gly, (B) is 0.2 wt% SL + 20 wt% Gly, and (C) is 0.2 wt% SL + 15 wt% Gly, (D) is 0.1 wt% SL + 30 wt% Gly, (E) is 0.1 wt% SL + 20 wt% Gly, and (F) is 0.
- Drip outflow rate (%) Drip amount / Weight before freezing x 100
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Abstract
Description
[1]ソホロースリピッドを0.01重量%から20重量%含む凍結保存後の細胞生存率を高める組成物
[2]ジメチルスルホキシド(DMSO)を5重量%から10重量%含む[1]に記載する組成物
[3]多価アルコールを1重量%から50重量%含む[1]または[2]に記載する組成物
[4]多価アルコールとして、グリセリン、エチレングリコール、プロピレングリコールのいずれか少なくとも一つを含む[3]に記載する組成物
[5]細胞を凍結保存する直前から6時間前の間で細胞培養培地中に[1]で記載する組成物を1容量%となるように添加して細胞を凍結保存する方法
[6]細胞を凍結保存する際に、細胞培養培地中に[2]乃至[4]に記載する組成物を10容量%から99容量%添加して細胞を凍結保存する方法
最も汎用されている細胞保存時に使用する培地であるダルベッコ改変培地(DMEM)に表1の組成物を7:3の容量比で混和した。各試料を15mL遠沈管(Thermo Scientific BioLite)に分注し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却し、-80℃10分後に試料の外観を目視にて観察した。
ヒト正常線維芽細胞(クラボウ)を3.2×104 cells/mlとなるように6ウェルプレートに播種し、48時間培養した。培養後、培養培地を除去し、5重量%SL水溶液を0.05容量%となるようにウシ胎児血清含有のDMEMにて希釈して添加した。所定時間培養後、生細胞数をトリパンブルー染色により計測した(凍結前の生細胞数)。残りの細胞をクライオジェニックバイアル(三商)の中で10%DMSO/ウシ胎児血清含有DMEM1mLに懸濁し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却した。-80℃で一晩保存後、37℃で速やかに解凍し、生細胞数をトリパンブルー染色により計測した(解凍後の生細胞数)。残りの細胞懸濁液を6ウェルプレートに播種して72時間培養した。培養後の生細胞数をトリパンブルー染色により計測した(培養後の生細胞数)。
増殖率(%)=培養後の生細胞数/解凍後の生細胞数×100
増殖率(%)=凍結保存後の吸光度(72時間培養)/未凍結の吸光度(72時間培養)
ヒト正常線維芽細胞(クラボウ)を3.2×104 cells/mlとなるように6ウェルプレートに播種し、48時間培養した。培養後、培養培地を除去し、5重量%SL水溶液を0.05容量%となるようにDMEM培地にて希釈して添加した。6時間培養後、生細胞数をトリパンブルー染色により計測した(凍結前の生細胞数)。残りの細胞をクライオジェニックバイアル(三商)の中で10%DMSO/DMEM1mLに懸濁し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却した。-80℃で一晩保存後、37℃で速やかに解凍し、生細胞数をトリパンブルー染色により計測した(解凍後の生細胞数)。
間葉系幹細胞(Lonza)を3.2×104 cells/mlとなるように6ウェルプレートに播種し、48時間培養した。培養後、培養培地を除去し、5重量%SL水溶液を0.05容量%となるようにMSCGM-CD培地にて希釈して添加した。6時間培養後、生細胞数をトリパンブルー染色により計測した(凍結前の生細胞数)。残りの細胞をクライオジェニックバイアル(三商)の中で10%DMSO/MSCGM-CD培地1mLに懸濁し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却した。-80℃で一晩保存後、37℃で速やかに解凍し、生細胞数をトリパンブルー染色により計測した(解凍後の生細胞数)。
ヒト正常線維芽細胞(クラボウ)の生細胞数をトリパンブルー染色により計測した(凍結前の生細胞数)。細胞をウシ胎児血清含有DMEMで懸濁した。クライオジェニックバイアル(三商)の中で表7、8の各試料と細胞懸濁液を3:7の容量比で混合し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却した。-80℃で一晩保存後、37℃で速やかに解凍し、生細胞数をトリパンブルー染色により計測した(解凍後の生細胞数)。残りの細胞懸濁液を6ウェルプレートに播種して72時間培養した。培養後の生細胞数をトリパンブルー染色により計測した(培養後の生細胞数)。
増殖率(%)=培養後の生細胞数/解凍後の生細胞数×100
増殖率(%)=凍結保存後の吸光度(72時間培養)/未凍結の吸光度(72時間培養)
ラット骨格筋筋芽細胞(JCRB9081 L6)の生細胞数を計測した(凍結前の生細胞数)。残りの細胞をウシ胎児血清含有DMEMで懸濁した。クライオジェニックバイアル(三商)の中で表7の各組成物と細胞懸濁液を3:7の容量比で混合し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却した。-80℃で一晩保存後、37℃で速やかに解凍し、生細胞数を計測した(解凍後の生細胞数)。
また、筋芽細胞の性質として、5日間培養後の培養上清中のサイトカイン(VEGF)をELISAで定量した。
ヒト骨格筋筋芽細胞(患者より)の生細胞数を計測した(凍結前の生細胞数)。残りの細胞をウシ胎児血清含有DMEMで懸濁した。クライオジェニックバイアル(三商)の中で表11の各組成物と細胞懸濁液を3:7の容量比で混合し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却した。-80℃で一晩保存後、37℃で速やかに解凍し、生細胞数を計測した(解凍後の生細胞数)。
ヒト正常線維芽細胞(クラボウ)の生細胞数をトリパンブルー染色により計測した(凍結前の生細胞数)。細胞を非血清のDMEMで懸濁した。クライオジェニックバイアル(三商)の中で表13の各試料と細胞懸濁液を3:7の容量比で混合し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却した。-80℃で一晩保存後、37℃で速やかに解凍し、生細胞数をトリパンブルー染色により計測した(解凍後の生細胞数)。
増殖後の生存率(%)=培養後の生細胞数/培養後の総細胞数×100
間葉系幹細胞(Lonza)の生細胞数をトリパンブルー染色により計測した(凍結前の生細胞数)。細胞をMSCGM-CD培地で懸濁した。クライオジェニックバイアル(三商)の中で表14の各試料と細胞懸濁液を3:7の容量比で混合し、4℃条件下で5分、-20℃条件下で20分、-80℃条件下の順で冷却した。-80℃で一晩保存後、37℃で速やかに解凍し、生細胞数をトリパンブルー染色により計測した(解凍後の生細胞数)。
増殖率(%)=凍結保存後の吸光度(72時間培養)/未凍結の吸光度(72時間培養)
間葉系幹細胞(Lonza)を2.0×104 cells/mlとなるように96ウェルプレートに播種し、72時間培養した。培養後、培養培地を除去して、表16の各組成物の濃度となるようにウシ胎児血清非含有のDMEMにて希釈して添加した。48時間培養後、Cell Counting Kit-8(同仁化学研究所)により吸光度を測定した。
間葉系幹細胞(Lonza)を2.0×104 cells/mlとなるように96wellプレートに播種して6時間あるいは72時間培養後、Cell Counting Kit-8(同仁化学研究所)により吸光度を測定した(未凍結の吸光度)。残りの細胞をウシ胎児血清含有DMEMで4.0×105 cells/mlとなるように懸濁した。クライオジェニックバイアル(三商)の中で表17の各組成物と細胞懸濁液を1:1の容量比で混合し、凍結処理容器BICELL(日本フリーザー)に入れて、―80℃条件下で冷却した。一晩保存後、37℃で速やかに解凍し、各組成物を除去せずに100 μLを96 wellプレートに播種して6時間培養して、Cell Counting Kit-8(同仁化学研究所)により吸光度を測定した(凍結保存後の吸光度)。
各食品(きゅうり、ほうれん草、りんご)を、それぞれ、表18、表19、表20の組成となるように水で調製した溶液100gに30分間浸漬した。浸漬後、ペーパータオルで余分な水分を拭き取り、-20℃で冷凍した。一晩保存後、37℃で解凍して、外観および食感を以下の判定基準に従って評点下した。
<判定基準>
3:冷凍前と比べて、差は認められない
2:冷凍前と比べて、差が認められる
1:冷凍前と比べて、かなり差が認められる
各食品(まぐろ、レバー)を、それぞれ、表21、22の組成となるように水で調製した溶液100gに30分間浸漬した。浸漬後、ペーパータオルで余分な水分を拭き取り重量測定(冷凍前の重量)後、-20℃で冷凍した。一晩保存後、37℃で解凍し、外観観察とドリップ量測定を行った。外観を以下の判定基準に従って評点下した。
<判定基準>
3:冷凍前と比べて、差は認められない
2:冷凍前と比べて、差が認められる
1:冷凍前と比べて、かなり差が認められる
ドリップ量(食材を取り除いた後の重量)を測定して、以下の式によりドリップ流出率を算出した。ドリップ量とは、食品を解凍した際に、細胞内の氷が溶けて水になり、傷ついた細胞から流れ出てくる水分のことをいう。
Claims (9)
- ソホロースリピッドを0.01重量%から20重量%含む凍結保存後の細胞生存率を高める組成物。
- ジメチルスルホキシド(DMSO)を5重量%から10重量%含む請求項1に記載する組成物。
- 多価アルコールを1重量%から50重量%含む請求項1または2に記載する組成物。
- 多価アルコールとして、グリセリン、エチレングリコール、プロピレングリコールのいずれか少なくとも一つを含む請求項3に記載する組成物。
- ソホロースリピッド及び多価アルコールを含み、ジメチルスルホキシド(DMSO)を含まない、凍結保存後の細胞生存率を高める組成物。
- 前記多価アルコールはグリセリンであり、細胞は幹細胞である請求項5記載の組成物。
- 前記幹細胞は間葉系幹細胞である請求項6記載の組成物。
- 細胞を凍結保存する直前から6時間前の間で細胞培養培地中に請求項1で記載する組成物を1容量%となるように添加して細胞を凍結保存する方法。
- 細胞を凍結保存する際に、細胞培養培地中に請求項2乃至7の何れか1項に記載する組成物を10容量%から99容量%添加して細胞を凍結保存する方法。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020170943A1 (ja) * | 2019-02-18 | 2020-08-27 | サラヤ株式会社 | 脱細胞化処理液及び洗浄組成物 |
WO2021070908A1 (ja) * | 2019-10-08 | 2021-04-15 | 岩谷産業株式会社 | 細胞凍結用組成物、細胞凍結方法、細胞培養方法、及び細胞凍結用キット |
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5630979B2 (ja) | 1974-01-28 | 1981-07-18 | ||
JPS5940975B2 (ja) | 1977-10-24 | 1984-10-03 | 大成建設株式会社 | コンクリ−ト製浮「かん」体構造物の接合方法 |
US5118512A (en) * | 1990-01-23 | 1992-06-02 | Osteotech, Inc. (A Delaware Corp.) | Process for cryopreserving biological materials and materials prepared thereby |
JP2001247401A (ja) | 2000-03-02 | 2001-09-11 | Univ Kyoto | 組織の冷却保存液 |
JP2010511402A (ja) | 2006-12-07 | 2010-04-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 温室のための制御装置 |
JP2010158192A (ja) * | 2009-01-07 | 2010-07-22 | Sanwa Shurui Co Ltd | 糖型バイオサーファクタント生産能を有する微生物及びそれを用いる糖型バイオサーファクタントの製造方法 |
WO2011011055A2 (en) * | 2009-07-20 | 2011-01-27 | The General Hospital Corporation D/B/A Massachusetts General Hospital | Methods and compositions for improving the viability of cryopreserved cells |
JP2012235728A (ja) | 2011-05-11 | 2012-12-06 | Univ Of Fukui | 細胞の凍結保存液および凍結保存方法 |
JP2014117240A (ja) * | 2012-12-18 | 2014-06-30 | Nippon Terupen Kagaku Kk | バイオサーファクタントの抽出・精製方法 |
JP2016160244A (ja) | 2015-03-04 | 2016-09-05 | サラヤ株式会社 | 低毒性ソホロリピッド含有組成物及びその用途 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2720941B1 (fr) * | 1994-06-13 | 1996-08-23 | Inst Francais Du Petrole | Utilisation des sophorolipides et compositions cosmétiques et dermatologiques. |
US5580714A (en) | 1995-03-08 | 1996-12-03 | Celox Laboratories, Inc. | Cryopreservation solution |
WO2004044216A1 (en) * | 2002-11-06 | 2004-05-27 | Polytechnic University | Antimicrobial properties of various forms of sophorolipids |
JP4926455B2 (ja) * | 2005-10-12 | 2012-05-09 | サラヤ株式会社 | 羅漢果抽出物およびソホロリピッドを含有する皮膚外用組成物 |
WO2008097971A2 (en) * | 2007-02-06 | 2008-08-14 | The Research Foundation Of State University Of New York | Methods for treating diseases of altered ige regulation |
BRPI0811666A2 (pt) * | 2007-06-19 | 2015-02-10 | 3M Innovative Properties Co | "sistemas e métodos para fabricação de escalas de deslocamento" |
JP5630979B2 (ja) * | 2009-08-04 | 2014-11-26 | 株式会社バイオベルデ | 動物幹細胞凍結保存液 |
JP2012232963A (ja) * | 2011-05-02 | 2012-11-29 | Saraya Kk | 塩基性生理活性タンパク質とソホロリピッドの複合体を含有する吸収促進組成物 |
JP5804437B2 (ja) * | 2012-06-15 | 2015-11-04 | 極東製薬工業株式会社 | 幹細胞保存媒体、幹細胞保存方法および幹細胞保存システム |
CN105683329B (zh) * | 2013-09-04 | 2018-04-06 | 莎罗雅株式会社 | 低毒性的含有槐糖脂的组合物及其用途 |
WO2015137357A1 (ja) * | 2014-03-10 | 2015-09-17 | サラヤ株式会社 | ソホロリピッドと生理活性物質と油脂とを含有する組成物およびその製造方法 |
WO2018017843A1 (en) * | 2016-07-22 | 2018-01-25 | Tissue Testing Technologies Llc | Enhancement of cell cryopreservation with glycolipids |
-
2018
- 2018-01-30 KR KR1020197024911A patent/KR102493297B1/ko active IP Right Grant
- 2018-01-30 WO PCT/JP2018/002879 patent/WO2018143166A1/ja unknown
- 2018-01-30 JP JP2018565550A patent/JP6626225B2/ja active Active
- 2018-01-30 EP EP18747715.3A patent/EP3569689A4/en not_active Withdrawn
- 2018-01-30 US US16/482,236 patent/US20200045955A1/en not_active Abandoned
- 2018-01-30 CN CN201880009336.0A patent/CN110234750B/zh active Active
-
2022
- 2022-05-19 US US17/664,194 patent/US20220272963A1/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5630979B2 (ja) | 1974-01-28 | 1981-07-18 | ||
JPS5940975B2 (ja) | 1977-10-24 | 1984-10-03 | 大成建設株式会社 | コンクリ−ト製浮「かん」体構造物の接合方法 |
US5118512A (en) * | 1990-01-23 | 1992-06-02 | Osteotech, Inc. (A Delaware Corp.) | Process for cryopreserving biological materials and materials prepared thereby |
JP2001247401A (ja) | 2000-03-02 | 2001-09-11 | Univ Kyoto | 組織の冷却保存液 |
JP2010511402A (ja) | 2006-12-07 | 2010-04-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 温室のための制御装置 |
JP2010158192A (ja) * | 2009-01-07 | 2010-07-22 | Sanwa Shurui Co Ltd | 糖型バイオサーファクタント生産能を有する微生物及びそれを用いる糖型バイオサーファクタントの製造方法 |
WO2011011055A2 (en) * | 2009-07-20 | 2011-01-27 | The General Hospital Corporation D/B/A Massachusetts General Hospital | Methods and compositions for improving the viability of cryopreserved cells |
JP2012235728A (ja) | 2011-05-11 | 2012-12-06 | Univ Of Fukui | 細胞の凍結保存液および凍結保存方法 |
JP2014117240A (ja) * | 2012-12-18 | 2014-06-30 | Nippon Terupen Kagaku Kk | バイオサーファクタントの抽出・精製方法 |
JP2016160244A (ja) | 2015-03-04 | 2016-09-05 | サラヤ株式会社 | 低毒性ソホロリピッド含有組成物及びその用途 |
Non-Patent Citations (2)
Title |
---|
KOVELOCK JEBIOSHOP MWH, NATURE, vol. 183, 1959, pages 1394 - 1395 |
MAZUR, AM. J. PHYSIOL., vol. 247, 1984, pages C125 - 142 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020170943A1 (ja) * | 2019-02-18 | 2020-08-27 | サラヤ株式会社 | 脱細胞化処理液及び洗浄組成物 |
JPWO2020170943A1 (ja) * | 2019-02-18 | 2021-04-08 | サラヤ株式会社 | 脱細胞化処理液及び洗浄組成物 |
WO2021070908A1 (ja) * | 2019-10-08 | 2021-04-15 | 岩谷産業株式会社 | 細胞凍結用組成物、細胞凍結方法、細胞培養方法、及び細胞凍結用キット |
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