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Seino K, Nishimori I, Nagai Y, Inoue H, Takada Y, Adachi S, Todoroki T, Fukao K. Idiopathic calcifying pancreatitis in a Japanese pediatric patient. J Gastroenterol 2000; 35:941-4. [PMID: 11573732 DOI: 10.1007/s005350070010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We recently experienced a rare case of chronic pancreatitis in a 13-year-old Japanese boy. Recently, in hereditary pancreatitis patients, some mutations have been identified in the trypsinogen gene. The purpose of this study was to investigate whether the same mutations could also be found in this patient. Polymerase chain reaction (PCR)-amplified products of his cationic and anionic trypsinogen genes were examined by direct sequence analysis. The gene analysis failed to show any mutation in any exons and their flanking intronic sequences of his trypsinogen genes. These findings indicate that the chronic calcifying pancreatitis in the present patient is "idiopathic", and thus a rare case of juvenile pancreatitis.
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Suzuki A, Taniguchi H, Zheng YW, Takada Y, Fukunaga K, Seino K, Yazawa K, Otsuka M, Yoshiki A, Kusakabe M, Fukao K, Nakauchi H. Proliferative and functional ability of transplanted murine neonatal hepatocytes in adult livers. Transplant Proc 2000; 32:2370-1. [PMID: 11120204 DOI: 10.1016/s0041-1345(00)01703-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Zheng YW, Taniguchi H, Suzuki A, Takada Y, Fukunaga K, Seino K, Yuzawa K, Otsuka M, Fukao K, Nakauchi H. Effects of combined growth factors on clonal growth and albumin secretion of murine fetal hepatocytes in low density culture. Transplant Proc 2000; 32:2372-3. [PMID: 11120205 DOI: 10.1016/s0041-1345(00)01704-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Takada Y, Fukunaga K, Mei G, Ishiguro S, Taniguchi H, Seino K, Yuzawa Y, Otsuka M, Fukao K. Porcine model of fulminant hepatic failure treated by liver transplantation. Transplant Proc 2000; 32:2243-4. [PMID: 11120150 DOI: 10.1016/s0041-1345(00)01652-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Fukunaga K, Takada Y, Gu M, Ishiguro S, Seino K, Taniguchi H, Yuzawa K, Otsuka M, Goto K, Fukao K. Peri- and postoperative kinetics of endothelin-1/big endothelin-1 and effects of endothelin antagonist in porcine liver transplantation from non-heart-beating donors. Transplant Proc 2000; 32:1647-9. [PMID: 11119874 DOI: 10.1016/s0041-1345(00)01436-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Suzuki A, Taniguchi H, Zheng YW, Takada Y, Fukunaga K, Seino K, Yazawa K, Otsuka M, Fukao K, Nakauchi H. Clonal colony formation of hepatic stem/progenitor cells enhanced by embryonic fibroblast conditioning medium. Transplant Proc 2000; 32:2328-30. [PMID: 11120186 DOI: 10.1016/s0041-1345(00)01685-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Otsuka M, Yuzawa K, Takada Y, Taniguchi H, Fukunaga K, Seino K, Todoroki T, Fukao K. Long-term graft survival of living-related kidneys after donor-specific transfusion. Transplant Proc 2000; 32:1741-2. [PMID: 11119914 DOI: 10.1016/s0041-1345(00)01428-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Seino K, Tun T, Ohshima N, Hamada H, Yoshino K, Ikeda S, Fukunaga K, Taniguchi H, Takada Y, Yuzawa K, Otsuka M, Todoroki T, Fukao K. Inhibition of CD95 ligand-mediated inflammation. Transplant Proc 2000; 32:2038-9. [PMID: 11120056 DOI: 10.1016/s0041-1345(00)01548-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zheng YW, Taniguchi H, Suzuki A, Takada Y, Fukunaga K, Seino K, Yuzawa K, Otsuka M, Fukao K, Nakauchi H. Effects of four extracellular matrices associated with growth factors on clonal culture and proliferation of murine fetal hepatocytes. Transplant Proc 2000; 32:2498-9. [PMID: 11120265 DOI: 10.1016/s0041-1345(00)01765-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Gu M, Takada Y, Fukunaga K, Ishiguro S, Taniguchi H, Seino K, Yuzawa K, Otsuka M, Todoroki T, Fukao K. Pharmacologic graft protection without donor pretreatment in liver transplantation from non-heart-beating donors. Transplantation 2000; 70:1021-5. [PMID: 11045637 DOI: 10.1097/00007890-200010150-00006] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Non-heart-beating donors (NHBDs) are considered potential sources of transplant organs in an effort to alleviate the problem of donor shortage in clinical liver transplantation. We investigated the possibility of pharmacologic protection of hepatic allograft function from NHBDs without donor pretreatment. METHODS Orthotopic liver transplantation was performed using pigs. In donors, cardiac arrest was induced by stopping the respirator. Forty-five minutes after cessation of the respirator, the liver was flushed with cold lactated Ringer's solution including heparin and with the University of Wisconsin (UW) solution, and then preserved for 8 hr at 4 degrees C in the UW solution. The pigs were divided into two groups: a control group and a treated group. In the treated group, an endothelin antagonist TAK-044 was added to the UW solutions (10 mg/L), and TAK-044 (10 mg/kg body weight) and a platelet activating factor antagonist E5880 (0.3 mg/kg body weight) were also administered to the recipients. RESULTS TAK-044 and E5880 treatment significantly increased the 7-day survival rate of the recipients (100% vs. 17%, P<0.05). In the treated group, portal venous pressure immediately after reperfusion of the graft was significantly lower than in the control group, and postoperative increase in serum concentrations of glutamic oxaloacetic transaminase and total bilirubin was attenuated. Moreover, the energy charge and adenosine triphosphate concentration of the liver were rapidly restored after reperfusion. CONCLUSIONS Pharmacologic modulation with TAK-044 and E5880 avoiding donor pretreatment can improve the viability of hepatic allografts procured from NHBDs.
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Taniguchi H, Kondo R, Suzuki A, Zheng YW, Takada Y, Fukunaga K, Seino K, Yuzawa K, Otsuka M, Fukao K, Nakauchi H. Clonogenic colony-forming ability of flow cytometrically isolated hepatic progenitor cells in the murine fetal liver. Cell Transplant 2000; 9:697-700. [PMID: 11144968 DOI: 10.1177/096368970000900517] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Stem cells are defined as cells having multilineage differentiation potential and self-renewal capability. Hepatic stem cells have aroused considerable interest not only because of their developmental importance but also for their therapeutic potential. However, their presence in the liver has not yet been demonstrated. With the use of a fluorescence-activated cell sorter (FACS) and monoclonal antibodies, we attempted to ascertain whether hepatic stem cells are present in the murine fetal liver. For this purpose, we optimized a cell isolation technique for FACS sorting of fetal liver cells. When isolated CD45 TER119 cells (the non-blood cell fraction in the fetal liver) were tested for their clonogenic colony-forming ability, mechanical dissociation (pipetting) was the most suitable cell isolation technique for FACS sorting. We confirmed that these colonies contained not only cells expressing hepatocyte markers but also cells expressing cholangiocyte markers. To identify hepatic stem cells, studies must focus on CD45TER119- cells in the murine fetal liver.
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Aoki K, Hakamada K, Umehara Y, Seino K, Itabashi Y, Sasaki M. Intraperitoneal transplantation of microencapsulated xenogeneic hepatocytes in totally hepatectomized rats. Transplant Proc 2000; 32:1118-20. [PMID: 10936388 DOI: 10.1016/s0041-1345(00)01153-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Umehara Y, Hakamada K, Toyoki Y, Seino K, Aoki K, Sasaki M. Three-stage total hepatectomy using a portocaval shunt tube in rats. Transplant Proc 2000; 32:1125-6. [PMID: 10936391 DOI: 10.1016/s0041-1345(00)01156-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Tani A, Seino K. Effects of side cooling on temperature, humidity and water recycling efficiency in a culture vessel for a space experiment--results of ground experiment. SEIBUTSU KANKYO CHOSETSU. [ENVIRONMENT CONTROL IN BIOLOGY 2000; 38:79-87. [PMID: 12371436 DOI: 10.2525/ecb1963.38.79] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Seed-to-seed experiments using dwarf plants will be conducted in Cell Biology Experiment Facility (CBEF) set up in the International Space Station (ISS). Development of a simple system to recycle water transpired by plants is necessary to save space and electrical power. A cooling system using a cooling plate that cools one side of the ventilated culture vessel to enhance water vapor condensation was developed. Effects of side cooling on air temperature, relative humidity and water recycling efficiency in the culture vessel were investigated on the ground. Decreasing the cooling plate temperature lowered temperatures of cooled side and inside air. Cooling treatment also decreased relative humidity inside the vessel less than 90% and lowered the amount of water vapor lost from the vessel through ventilation filters. This seemed to be due to the increased water vapor condensation onto the cooled side. To investigate the effect of increases in outside humidity on water recycling efficiency in the culture vessel, a water vapor transfer model was established. The calculation results indicate that an increase in relative humidity around the vessel can decrease water vapor loss from the vessel, increase water condensation onto the cooled side, and therefore, enhance water recycling efficiency in the vessel. The side cooling system seems to be useful for the CBEF in ISS because relative humidity in the CBEF is controllable.
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Seino K, Yamauchi T, Ishibashi A, Tokuhara N, Kobayashi S, Fukunaga K, Taniguchi H, Takada Y, Yuzawa K, Otsuka M, Todoroki T, Fukao K. Prolongation of mouse skin allograft survival by novel agonists selective for retinoic acid receptor-alpha. Transplant Proc 2000; 32:257-8. [PMID: 10715409 DOI: 10.1016/s0041-1345(99)00949-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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41
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Taniguchi H, Suzuki A, Zheng Y, Kondo R, Takada Y, Fukunaga K, Seino K, Yuzawa K, Otsuka M, Fukao K, Nakauchi H. Usefulness of flow-cytometric cell sorting for enrichment of hepatic stem and progenitor cells in the liver. Transplant Proc 2000; 32:249-51. [PMID: 10715407 DOI: 10.1016/s0041-1345(99)00947-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Takada Y, Fukunaga K, Gu M, Ishiguro S, Taniguchi H, Seino K, Yuzawa K, Otsuka M, Fukao K. Improvement of allograft viability with organs procured from non-heart-beating donors in porcine liver transplantation. Transplant Proc 2000; 32:277-8. [PMID: 10715416 DOI: 10.1016/s0041-1345(99)00956-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Tani A, Tahara N, Seino K, Kitaya Y, Saito T, Goto E, Takahashi H. [Development of plant growth chambers for the experiments under microgravity conditions (4)-results of two experiments for water circulation in parabolic flight]. UCHU SEIBUTSU KAGAKU 1999; 13:224-5. [PMID: 12533008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
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Seino K, Ogino T, Fukunaga K, Taniguchi H, Takada Y, Yuzawa K, Otsuka M, Yagita H, Okumura K, Fukao K. Attempts to reveal the mechanism of CD95-ligand-mediated inflammation. Transplant Proc 1999; 31:1942-3. [PMID: 10455926 DOI: 10.1016/s0041-1345(99)00219-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Fukunaga K, Takada Y, Mei G, Taniguchi H, Seino K, Yuzawa K, Otsuka M, Todoroki T, Goto K, Fukao K. An endothelin receptor antagonist ameliorates injuries of sinusoid lining cells in porcine liver transplantation. Am J Surg 1999; 178:64-8. [PMID: 10456707 DOI: 10.1016/s0002-9610(99)00107-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND TAK-044 is an endothelin receptor antagonist. Whether the agent has protective effects on liver graft injuries from non-heart-beating donors is unknown. METHODS In donor pigs, cardiac arrest was induced by stopping the respirator. Forty-five minutes after cessation of the respirator, the liver was flushed with University of Wisconsin (UW) solution, preserved for 8 hours at 4 degrees C, and transplanted orthotopically. The pigs were divided into two groups: a control group and a drug-treated group in which TAK-044 was given in the UW solutions (10 mg/L) and was administered to recipients (10 mg/kg body weight). RESULTS TAK-044 treatment significantly increased recipient survival rate. After reperfusion of the graft, portal venous pressure and 15-minute retention rate of indocyanine green were significantly reduced in the drug-treated group. Electron microscopic findings indicated that TAK-044 attenuated endothelial cell injuries. CONCLUSION TAK-044 treatment improves the viability of livers harvested from non-heart-beating donors. The main effect of the agent is protection of endothelial cells from ischemia/reperfusion injuries.
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Seino K, Kayagaki N, Yamaguchi N, Takada Y, Uyama S, Kiuchi T, Tanaka K, Yagita H, Okumura K, Fukao K. Soluble forms of CD95 and CD95 ligand after living related liver transplantation. Transplantation 1999; 67:634-6. [PMID: 10071041 DOI: 10.1097/00007890-199902270-00026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Soluble forms of CD95 and CD95 ligand (sCD95 and sCD95L, respectively) can increase in the serum of patients with some inflammatory disease. In this study, we investigated the serum levels of sCD95 and sCD95L in liver transplantation recipients. METHODS Serum levels of sCD95 and sCD95L in living related liver transplant recipients were analyzed by ELISA and their relation to the clinical findings estimated. RESULTS Serum samples from the recipients did not show detectable levels of sCD95L but showed significantly increased levels of sCD95. The increase of sCD95 was positively associated with that of total-bilirubin and incidence of rejection, infection, and graft ischemia. CONCLUSIONS The present results indicate an existence of sCD95 in the recipients of living related liver transplants. The increased serum levels of sCD95 may modify the immunological situation of the recipients after transplantation or represent the ongoing graft damage.
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Taniguchi H, Kondo R, Suzuki A, Zheng Y, Ito S, Takada Y, Fukunaga K, Seino K, Yuzawa K, Otsuka M, Fukao K, Yoshiki A, Kusakabe M, Nakauchi H. Evidence for the presence of hepatic stem cells in the murine fetal liver. Transplant Proc 1999; 31:454. [PMID: 10083186 DOI: 10.1016/s0041-1345(98)01704-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Seino K, Ogino T, Ju ST, Hamada H, Yagita H, Okumura K, Fukao K. Biological factors that affect CD95 ligand-mediated inflammation. Transplant Proc 1999; 31:893-5. [PMID: 10083393 DOI: 10.1016/s0041-1345(98)01824-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
MESH Headings
- Animals
- Antigens, Surface/genetics
- Antigens, Surface/immunology
- Fas Ligand Protein
- Inflammation/immunology
- Liver Neoplasms, Experimental/immunology
- Liver Neoplasms, Experimental/pathology
- Male
- Membrane Glycoproteins/genetics
- Membrane Glycoproteins/immunology
- Mice
- Mice, Inbred C3H
- Mice, Inbred C57BL
- Mice, Inbred MRL lpr
- Mice, Inbred Strains
- Neoplasm Transplantation
- Recombinant Proteins/immunology
- Transfection
- Transplantation, Homologous
- Transplantation, Isogeneic
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Seino K, Iwabuchi K, Kayagaki N, Miyata R, Nagaoka I, Matsuzawa A, Fukao K, Yagita H, Okumura K. Chemotactic activity of soluble Fas ligand against phagocytes. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 1998; 161:4484-8. [PMID: 9794371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
A recombinant soluble form of human Fas ligand (sFasL) was tested for its chemotactic activity against human and mouse polymorphonuclear neutrophils (PMN) by the Boyden chamber method. sFasL exhibited a potent chemotactic activity against both human and mouse PMN and HL-60 cells when differentiated into neutrophils or monocytes. A neutralizing anti-FasL mAb abolished the chemotactic activity, while control mAb did not. Ligation of Fas by either IgM- or IgG-type anti-Fas mAb also induced PMN migration. PMN derived from lpr mice that express few Fas molecules did not respond to sFasL. In contrast, those derived from lpr(cg) mice that express Fas molecules with a mutated death domain normally responded to sFasL chemotaxis. These results directly indicated a chemotactic activity of sFasL against PMN and suggest a novel signaling function of Fas, which appears to be independent of the death domain-mediated apoptosis.
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Allison J, Seino K, Yagita H. Can expression of CD95 (Fas/APO-1) ligand on grafts or tumor cells prevent their rejection? SPRINGER SEMINARS IN IMMUNOPATHOLOGY 1998; 19:311-22. [PMID: 9540159 DOI: 10.1007/bf00787228] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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