WO2007043698A1 - 肝臓保存液 - Google Patents
肝臓保存液 Download PDFInfo
- Publication number
- WO2007043698A1 WO2007043698A1 PCT/JP2006/320796 JP2006320796W WO2007043698A1 WO 2007043698 A1 WO2007043698 A1 WO 2007043698A1 JP 2006320796 W JP2006320796 W JP 2006320796W WO 2007043698 A1 WO2007043698 A1 WO 2007043698A1
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- Prior art keywords
- solution
- liver
- preservation solution
- preservation
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/02—Preservation of living parts
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N1/00—Preservation of bodies of humans or animals, or parts thereof
- A01N1/02—Preservation of living parts
- A01N1/0205—Chemical aspects
- A01N1/021—Preservation or perfusion media, liquids, solids or gases used in the preservation of cells, tissue, organs or bodily fluids
- A01N1/0226—Physiologically active agents, i.e. substances affecting physiological processes of cells and tissue to be preserved, e.g. anti-oxidants or nutrients
Definitions
- the present invention relates to a liver preservation solution having improved toxicity due to nitro-glycerin.
- UW solution is commonly used in brain-dead liver transplantation in the US and Europe (Transplant proc, vol. 31, p. 2069-2070, 1999). This is because the UW solution enables the cold ischemic storage of the liver for a longer period of time compared to other organ preservation solutions.
- UW fluid is extremely viscous, it is necessary to wash the blood in the blood vessel with Ringer's solution with a low viscosity before starting the cold ischemic preservation of the liver. It takes a long time.
- UW fluid is an intracellular fluid-type preservation solution (electrolyte is equivalent to the intracellular composition) and has a high potassium concentration (125 mM).
- ET-Kyoto solution containing saccharide trehalose which is an extracellular solution with a completely different composition from UW solution, has a low potassium concentration, stabilizes the cell membrane and suppresses cell damage
- the New ET-Kyoto solution was developed by the present inventors (Patent No. 3253131, Yonsei Medical Journal, vol 45, No. 6, p. 1107-11 11 4, 2004).
- New ET-Kyoto solution has a composition similar to that of ET-Kyoto solution, but differs from ET-Kyoto solution in that it contains dibutylinole cAMP (db-cAMP), nitroglycerin and N-acetylcystein.
- db-cAMP dibutylinole cAMP
- ET-Kyoto fluid has already been shown at the level of animal experiments to be as effective as UW fluid in the preservation of kidneys, lungs, muscles, and skin for cold ischemia. However, no detailed report has yet been made on the effects on liver preservation.
- New ET-Kyoo solution has been shown to be superior to UW solution in lung preservation and has been introduced to clinical and lung transplantation at Kyoto University. Therefore, it is desired to develop a liver preservation solution that is more excellent in maintaining organ function, and that is superior in safety, operability and chemical stability.
- liver preservation solution that is excellent in organ function maintenance, and is excellent in safety, ease of use, and chemical stability.
- the inventors of the present invention have intensively studied to achieve the above object.
- dibutyryl c AM P to ET-Kyoto solution significantly improves the survival rate (engraftment rate) after liver transplantation, and this dibutyryl c
- the inventors have found that the effect of addition of AM P is specific to the ET-Kyoto solution, and have completed the present invention.
- the present invention relates to the following.
- a liver preservation solution containing trehalose and dibutyryl cAMP [1] A liver preservation solution containing trehalose and dibutyryl cAMP.
- a liver preservation solution containing at least the following components within the following range.
- [1 1] A kidney preservation solution containing trehalose and dibutyryl c AMP.
- the liver preservation solution of the present invention has the following advantages.
- the liver preservation solution of the present invention the toxicity due to nitroglycerin generated when the liver is preserved in New ET-Kyoto solution is improved. Furthermore, the potassium concentration of the liver preservation solution of the present invention is lower than that of the UW solution or the like. Therefore, it is possible to reperfuse blood after storage without replacing the preservation solution in the liver with Ringer's solution or the like. (2) Since the liver preservation solution of the present invention has a low viscosity, it is not necessary to start the current with Ringer's solution at the beginning of cold ischemia of the liver.
- liver preservation solution of the present invention has low viscosity and low potassium concentration, the time required for rinsing at the stage of starting cold ischemia of the liver is short.
- liver preservation solution of the present invention is chemically stable in composition and can be stored at room temperature for a long period of time.
- the unit price of the liver preservation solution of the present invention is low.
- Figure 1 is a graph showing the 7-day survival rate after liver transplantation.
- FIG. 2 is a graph showing the effect of the preservation solution on each serum biochemical marker reflecting hepatocyte injury or sinusoidal endothelial cell injury.
- Figure 3 is a graph showing the effect of preservatives on liver function.
- Figure 4 is a photograph showing the effect of the preservation solution on the histological changes in liver grafts.
- a and C ET-Kyo + db + c AMP, B and D UW.
- a vs B B sinusoidal congestion is more marked in B than in A.
- FIG. 5 is a photograph showing the effect of the preservation solution on the superstructure of hepatocytes and sinusoidal endothelial cells.
- a and B hepatocytes
- C and D sinusoidal endothelial cells
- a and C UW group
- FIG. 6 is a graph showing the cumulative survival rate of rats transplanted with livers stored in ET-K solution or ET-K solution supplemented with db-c AMP (Kaplan-Meier method).
- the solid line represents the ET-K group
- the dotted line represents the ET-K + db-cAMP group.
- the white circles indicate the occurrence of the ET-K group
- the black circles indicate the occurrence of the ET-K + db-c AMP group.
- Figure 7 is a graph showing the cumulative survival of rats transplanted with livers stored in UW solution or UW solution supplemented with db-c AMP (Kaplan-Meier method).
- the solid line shows the UW group
- the dotted line shows the UW + db—c AMP group.
- White circles show examples of occurrence in the UW group
- black circles show examples of occurrence in the tjW + db-c AMP group.
- the present invention provides a liver preservation solution containing trehalose and dibutyryl cAMP.
- trehalose used in the preservation solution of the present invention: ⁇ , ⁇ -trehalose, a, ⁇ -trehalose, and] 3, J3-trehalose.
- ⁇ , ⁇ -trehalose present in nature is used.
- the range of the trehalose content in the preservation solution of the present invention is not particularly limited as long as it does not impair the liver function maintaining effect of the preservation solution of the present invention, but it is, for example, 50-24 OmM, preferably 100-2. 10 mM, more preferably 100 to 14 OmM, and even more preferably 110 to 13 OmM (for example, 120 mM).
- the range of the content of dibutyryl c AMP contained in the preservation solution of the present invention is not particularly limited as long as it does not impair the liver function maintaining action of the preservation solution of the present invention, for example, 0.005 to 10 mM, preferably Is 0.5 to 5 mM, more preferably 0.5 to 4 mM, and even more preferably 1.5 to 3 mM (for example, 2 mM).
- dibutyryl cAMP in the preservation solution of the present invention, the survival rate (engraftment rate) after liver transplantation is dramatically improved.
- the nitroglycerin content of the preservation solution of the present invention is preferably below 0.44 mM. Considering the toxicity caused by nitroglycerin, the lower the nitroglycerin content, the better. For example, 0.4 mM or less, preferably 0.3 mM or less, more preferably 0.2 mM or less, more preferably 0.1 mM or less (for example, , Substantially 0 mM (substantially free of nitroglycerin)). Above all, nitroglyce A phosphorus content of 0.0044 mM or less is preferable because toxicity due to nitroglycerin is hardly expressed and the survival rate of the recipient after liver transplantation is improved.
- the preservation solution of the present invention may contain hydroxychetyl starch (hereinafter also referred to as “HE S”) in order to adjust the osmotic pressure of the preservation solution.
- Hydroxetil starch has a degree of substitution in the range of 0 4 to 0 8 and preferably has an average molecular weight of 20 000 0 to 9 0000 0, more preferably an average molecular weight of 3 500 00 ⁇ 80 0 000 It is.
- the content of the hydroxychetyl starch is not particularly limited as long as it does not impair the liver function maintaining action of the preservation solution of the present invention.
- the preservation solution of the present invention may contain various electrolytes in order to adjust the osmotic pressure and pH of the preservation solution.
- the electrolyte include a sodium salt or potassium salt of an organic acid, sodium chloride, potassium chloride, magnesium chloride, calcium chloride, sodium dihydrogen phosphate, potassium dihydrogen phosphate, disodium hydrogen phosphate, dihydrogen phosphate
- Examples include sodium hydrogen carbonate, hydrogen carbonate power, sodium carbonate and carbon power.
- the organic acid include darconic acid, lactic acid, -acetic acid, propionic acid,] 3_hydroxybutyric acid, and citrate.
- the preservation solution of the present invention preferably contains at least the following components, preferably within the following range, as the electrolyte.
- Na + is usually contained at 10 to: 40 mM, preferably 20 to 120 mM, more preferably 90 to 110 mM (eg, 100 mM).
- K + is usually contained in 4 to 14 OmM, preferably 20 to 13 mM, more preferably 40 to 50 mM (eg 44 mM).
- H 2 P0 4 _ or HP0 4 - usually 1 2 to 6 5 mM, preferably 2 Less than six Omm, more preferably contained. 20 to 3 Omm (e.g. 2 5 mM).
- C 1 ⁇ , HC0 3 —, C0 3 at least one selected from organic acids and organic acid anions is usually 15 to: I 50 mM, preferably 20 to 120 mM, More preferably, 90 to 11 OmM (for example, 10 OmM) is contained.
- At least one selected from 15 to 15: 15 OmM More preferable combinations of concentration ranges of the electrolyte that can be contained in the preservation solution of the present invention are as follows.
- Further preferred concentration range combinations of electrolytes that can be contained in the preservation solution of the present invention are as follows.
- the preservation solution of the present invention has an osmotic pressure of 270-45 to prevent cells or tissues from expanding or contracting during storage.
- it is in the range of OmO sm / 1, 2 7 0-3 More preferably, it is in the range of 8 OmO sm / 1.
- pH is in the range of 7-8.
- a preferred composition of the preservation solution of the present invention is as follows.
- At least one selected from 15 to 150 mM is as follows.
- Dibutyryl c AMP 0.05 to 5 mM Treno Higuchi 100 to 2 1 0 mM Hydroxetyl starch 20 to 40 g / 1 Na + '20 to 1 20 mM
- At least one selected from 20 to 120 mM More preferred composition of the preservation solution of the present invention is as follows.
- H 2 P0 4 or HPO 20 30 mM (eg 25 mM) CI—, HCO 3 and C0 3 and organic acids and organic anions
- At least selected one 9 0 ⁇ : 1 1 0 mM (e.g. 1 0 0 mM) preservation solution of the present invention in addition to the above, for example, Mg + + and or C a + +, 1 ⁇ 1 0 mM Can be included.
- the preservation solution of the present invention may contain other additives, for example, active oxygen scavengers such as N-acetyl cysteine, cell activators such as ATP, antibiotics and the like. , '
- the preservation solution of the present invention can be easily produced according to a known method for producing an infusion.
- the method for using the preservation solution of the present invention is not particularly limited, but for example, blood in liver tissue extracted from a living body is replaced with the preservation solution of the present invention, and this is immersed in the preservation solution of the present invention. And stored at a low temperature (for example, 0 to 10 ° C, preferably 1 to 6 ° C).
- ET-K solution an ET-Kyoto solution with an osmotic pressure of 366 mO sm 1, pH 7.35.
- N ew ET-Kyoto solution (hereinafter, N ew ET_K solution) was obtained.
- modified New ET-K solution db-cAMP '(Daiichi Pharmaceutical Co., Ltd.) was added to the ET-K solution to obtain a modified New ET-Kyoto solution (hereinafter, modified New ET-K solution).
- UW liquid was purchased from Fujisawa Pharmaceutical Co., Ltd.
- composition of ET-I, New ET-K solution and modified New ET-K solution is as follows. .
- livers were transplanted without a final rinse. After storage, liver grafts were transplanted orthotopically into recipient rats. Both the hepatic vena cava and the subhepatic vena cava were sutured with surgical sutures.
- the portal veins were connected by a semi-automated anastomosis using a polyethylene cuff (microtube). In all transplants, the anesthetic time was less than 14 minutes and the time to block the vena cava was less than 25 minutes.
- the transplanted recipient rats were re-anesthetized by intraperitoneal injection of ketamine.
- Bile was collected for 15 minutes and the bile excretion rate and bile volume were measured.
- a blood sample is used to measure serum ammonia, AST, ALT, LDH (all the most common indicators of liver function) and hyaluronic acid (HA) (an indicator of hepatic vascular endothelial cell function). It was collected from the vein.
- the graft was perfused via the portal vein with 20 ml of Ringer's solution at a rate of 1 Oml.
- the 7-day survival rate was 86 '% (7/8) in the modified N ew' ET —K group and 25% (2/8) in the UW group. I got it.
- the survival rate was significantly better (Fitzia exact test: P ⁇ 0. 05; Fig. L).
- the 7-day survival rate was 0% (0/6), and the N ew ET-K solution did not improve the 7-day survival rate. From the above results, it was shown that the use of the modified New ET-K solution significantly increased the survival rate after liver transplantation compared to the case of using the UW solution or New ET-K solution.
- the survival rate is extremely low, so reducing the nitroglycerin content in the preservation solution increases the survival rate after liver transplantation. It was shown to rise.
- Serum AST (GOT), ALT (GPT), LDH and HA were measured 4 hours after transplantation.
- Hepatocellular injury assessed by AT, AS ⁇ and LDH levels was significantly lower in the modified N ew ET—K group than that in the UW group (modified NewET-KI UW: ALT, 527 ⁇ 88 / 1728 ⁇ 380 IU / 1, p ⁇ 0.01, AST, 681 ⁇ 90/1652 ⁇ 292 IU / 1, p ⁇ 0.01, LDH, 1105 ⁇ 352/4796 ⁇ 1059 IU / 1, p ⁇ 0 01, Figure 2A, B and C).
- HA levels reflected sinusoidal endothelial cell (SEC) injury. The HA level was significantly lower in the modified New ET-K group compared to the UW group (1 98 8 ⁇ 791/2809 ⁇ 673 ng / ml, p 0 05, Figure 2D).
- Ammonia and bile excretion were evaluated as indicators of liver function. At this point, ammonia was not significantly different between the two groups (255 ⁇ 20/252 ⁇ 22 ⁇ g / dl, p> 0.05, Fig. 3 A), and biliary excretion was significantly higher in the modified N ew ET-K group (modified New ET-K I UW: 702 ⁇ 125/489 ⁇ 108 ⁇ 1 / kg / mm, p 0.05 Fig. 3 B). From the above results, it was shown that the modified New ET-K solution has a higher effect of maintaining liver function than the UW solution.
- liver grafts stored in UW fluid were more susceptible to reperfusion injury than in ET-K fluid.
- the modified N ew ET and the K group were more vacant, with less vacuolar degeneration, sinusoidal congestion, and bleeding (Figure 4).
- TEM was performed to analyze the ultrastructure of liver grafts stored 24 hours at 4 hours after transplantation.
- hepatocyte death ie apoptotic changes (nuclear enrichment)
- the stock solutions used in the test are as follows.
- Group Donor weight (g) Storage time (min) Liver-free time (min) 1VC reflow (min) Survival days Contole 368 1474 410 13 23 7 Contole 364 1434 376 16 28 1 Control 340 1440 364 16 27 7
- the preservation solution of the present invention is also useful for preservation of the kidney. It has been suggested. Industrial applicability
- the liver preservation solution of the present invention has excellent liver preservation ability and is useful in the field of transplantation medicine.
- This application is based on Japanese Patent Application No. 2005-299 3 14 filed in Japan (filing date: October 13, 2005), the contents of which are incorporated in full herein.
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Abstract
Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2625628A CA2625628C (en) | 2005-10-13 | 2006-10-12 | Solution for preserving liver |
US12/083,503 US20090239206A1 (en) | 2005-10-13 | 2006-10-12 | Solution for preserving liver |
JP2007540229A JP5274017B2 (ja) | 2005-10-13 | 2006-10-12 | 肝臓保存液 |
US13/222,407 US8512940B2 (en) | 2005-10-13 | 2011-08-31 | Method for preserving liver in a solution comprising dibutyryl cAMP |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005-299314 | 2005-10-13 | ||
JP2005299314 | 2005-10-13 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/083,503 A-371-Of-International US20090239206A1 (en) | 2005-10-13 | 2006-10-12 | Solution for preserving liver |
US13/222,407 Continuation US8512940B2 (en) | 2005-10-13 | 2011-08-31 | Method for preserving liver in a solution comprising dibutyryl cAMP |
Publications (1)
Publication Number | Publication Date |
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WO2007043698A1 true WO2007043698A1 (ja) | 2007-04-19 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/320796 WO2007043698A1 (ja) | 2005-10-13 | 2006-10-12 | 肝臓保存液 |
Country Status (4)
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US (2) | US20090239206A1 (ja) |
JP (1) | JP5274017B2 (ja) |
CA (1) | CA2625628C (ja) |
WO (1) | WO2007043698A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013168403A1 (ja) | 2012-05-08 | 2013-11-14 | 株式会社大塚製薬工場 | トレハロース含有肺塞栓形成予防用哺乳動物細胞懸濁液 |
EP2712920A1 (en) | 2012-09-28 | 2014-04-02 | Otsuka Pharmaceutical Factory, Inc. | Method of washing adherent cell using trehalose-containing cell-washing solution |
WO2014208053A1 (ja) | 2013-06-28 | 2014-12-31 | 株式会社大塚製薬工場 | トレハロース及びデキストラン含有哺乳動物細胞移植用溶液 |
US10087421B2 (en) | 2010-11-09 | 2018-10-02 | Otsuka Pharmaceutical Factory, Inc. | Stem cell suspension |
CN110402919A (zh) * | 2019-07-17 | 2019-11-05 | 西北农林科技大学 | 环腺苷酸用于制备山羊精子冷冻保存用稀释液的应用及制备方法 |
CN111700063A (zh) * | 2020-06-29 | 2020-09-25 | 广州瑞铂茵健康管理咨询有限公司 | 一种脐带标本的保存方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000064254A1 (en) * | 1999-04-27 | 2000-11-02 | University Of Utah | Novel organ preservation solution |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3253131B2 (ja) * | 1992-07-24 | 2002-02-04 | 洋巳 和田 | 移植臓器用溶液 |
-
2006
- 2006-10-12 JP JP2007540229A patent/JP5274017B2/ja not_active Expired - Fee Related
- 2006-10-12 CA CA2625628A patent/CA2625628C/en not_active Expired - Fee Related
- 2006-10-12 US US12/083,503 patent/US20090239206A1/en not_active Abandoned
- 2006-10-12 WO PCT/JP2006/320796 patent/WO2007043698A1/ja active Application Filing
-
2011
- 2011-08-31 US US13/222,407 patent/US8512940B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000064254A1 (en) * | 1999-04-27 | 2000-11-02 | University Of Utah | Novel organ preservation solution |
Non-Patent Citations (1)
Title |
---|
CHEN F. ET AL: "Development of new organ preservation solution (ET-Kyoto solution)", ORGAN BIOLOGY, vol. 12, no. 1, 10 April 2005 (2005-04-10), pages 9 - 20, XP003011799 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10087421B2 (en) | 2010-11-09 | 2018-10-02 | Otsuka Pharmaceutical Factory, Inc. | Stem cell suspension |
WO2013168403A1 (ja) | 2012-05-08 | 2013-11-14 | 株式会社大塚製薬工場 | トレハロース含有肺塞栓形成予防用哺乳動物細胞懸濁液 |
US10265346B2 (en) | 2012-05-08 | 2019-04-23 | Otsuka Pharmaceutical Factory, Inc. | Trehalose-containing mammalian cell suspension for prevention of pulmonary embolism formation |
EP2712920A1 (en) | 2012-09-28 | 2014-04-02 | Otsuka Pharmaceutical Factory, Inc. | Method of washing adherent cell using trehalose-containing cell-washing solution |
US9040300B2 (en) | 2012-09-28 | 2015-05-26 | Otsuka Pharmaceutical Factory, Inc. | Method of washing adherent cell using trehalose-containing cell-washing solution |
US9498500B2 (en) | 2012-09-28 | 2016-11-22 | Otsuka Pharmaceutical Factory, Inc. | Method of washing adherent cell using trehalose-containing cell-washing solution |
WO2014208053A1 (ja) | 2013-06-28 | 2014-12-31 | 株式会社大塚製薬工場 | トレハロース及びデキストラン含有哺乳動物細胞移植用溶液 |
US10945427B2 (en) | 2013-06-28 | 2021-03-16 | Otsuka Pharmaceutical Factory, Inc. | Trehalose and dextran-containing solution for transplanting mammalian cells |
CN110402919A (zh) * | 2019-07-17 | 2019-11-05 | 西北农林科技大学 | 环腺苷酸用于制备山羊精子冷冻保存用稀释液的应用及制备方法 |
CN110402919B (zh) * | 2019-07-17 | 2021-09-28 | 西北农林科技大学 | 环腺苷酸用于制备山羊精子冷冻保存用稀释液的应用及制备方法 |
CN111700063A (zh) * | 2020-06-29 | 2020-09-25 | 广州瑞铂茵健康管理咨询有限公司 | 一种脐带标本的保存方法 |
CN111700063B (zh) * | 2020-06-29 | 2021-03-30 | 广州瑞铂茵健康科技有限公司 | 一种脐带标本的保存方法 |
Also Published As
Publication number | Publication date |
---|---|
US8512940B2 (en) | 2013-08-20 |
CA2625628C (en) | 2012-04-24 |
US20110311959A1 (en) | 2011-12-22 |
JP5274017B2 (ja) | 2013-08-28 |
CA2625628A1 (en) | 2007-04-19 |
JPWO2007043698A1 (ja) | 2009-04-23 |
US20090239206A1 (en) | 2009-09-24 |
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