Xenotransplantation of Galactosyl-Transferase Knockout, CD55, CD59, CD39, and Fucosyl-Transferase Transgenic Pig Kidneys Into Baboons
Identifieur interne : 001737 ( PascalFrancis/Corpus ); précédent : 001736; suivant : 001738Xenotransplantation of Galactosyl-Transferase Knockout, CD55, CD59, CD39, and Fucosyl-Transferase Transgenic Pig Kidneys Into Baboons
Auteurs : S. Le Bas-Bernardet ; X. Tillou ; N. Poirier ; N. Dilek ; M. Chatelais ; J. Devalliere ; B. Charreau ; D. Minault ; J. Hervouet ; K. Renaudin ; C. Crossan ; L. Scobie ; P. J. Cowan ; A. J. F. D'Apice ; C. Galli ; E. Cozzi ; J. P. Soulillou ; B. Vanhove ; G. BlanchoSource :
- Transplantation proceedings [ 0041-1345 ] ; 2011.
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English descriptors
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Abstract
Galactosyl-transferase knockout (GT-KO) pigs represent the latest major progress to reduce immune reactions in xenotransplantation. However, their organs are still subject to rapid humoral rejection involving complement activation requiring the ongoing development of further genetic modifications in the pig. In a pig-to-baboon renal transplantation setting, we have used donor pigs that are not only GT-KO, but also transgenic for human CD55 (hCD55), hCD59, hCD39, and fucosyl-transferase (hHT). We studied kidney xenograft survival, physiological and immunologic parameters, xenogeneic rejection characteristics, as well as viral transmission aspects among two groups of baboons: control animals (n = 2), versus those (n = 4) treated with a cocktail of cyclophosphamide, tacrolimus, mycophenolate mofetil, steroids, and a recombinant human C1 inhibitor. Whereas control animals showed clear acute humoral rejection at around day 4, the treated animals showed moderately improved graft survival with rejection at around 2 weeks posttransplantation. Biopsies showed signs of acute vascular rejection (interstitial hemorrhage, glomerular thrombi, and acute tubular necrosis) as well as immunoglobulin (Ig)M and complement deposition in the glomerular and peritubular capillaries. The low level of preformed non-Gal-α1.3Gal IgM detected prior to transplantation increased at 6 days posttransplantation, whereas induced IgG appeared after day 6. No porcine endogenous retrovirus (PERV) transmission was detected in any transplanted baboon. Thus, surprisingly, organs from the GT-KO, hCD55, hCD59, hCD39, and hHT transgenic donors did not appear to convey significant protection against baboon anti-pig antibodies and complement activation, which obviously continue to be significant factors under a suboptimal immunosuppression regimen. The association, timing, and doses of immunosuppressive drugs remain critical. They will have to be optimized to achieve longer graft survivals.
Notice en format standard (ISO 2709)
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Format Inist (serveur)
NO : | PASCAL 12-0017503 INIST |
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ET : | Xenotransplantation of Galactosyl-Transferase Knockout, CD55, CD59, CD39, and Fucosyl-Transferase Transgenic Pig Kidneys Into Baboons |
AU : | LE BAS-BERNARDET (S.); TILLOU (X.); POIRIER (N.); DILEK (N.); CHATELAIS (M.); DEVALLIERE (J.); CHARREAU (B.); MINAULT (D.); HERVOUET (J.); RENAUDIN (K.); CROSSAN (C.); SCOBIE (L.); COWAN (P. J.); D'APICE (A. J. F.); GALLI (C.); COZZI (E.); SOULILLOU (J. P.); VANHOVE (B.); BLANCHO (G.) |
AF : | Institut de Transplantation-Urologie-Néphrologie, ITUN and INSERM UMR643/Nantes/France (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut., 7 aut., 8 aut., 9 aut., 17 aut., 18 aut., 19 aut.); Pathology Laboratory, CHU-Hôtel Dieu/Nantes/France (10 aut.); Department of Biological and Biomedical Sciences, Glasgow Caledonian University/Glasgow/Royaume-Uni (11 aut., 12 aut.); Immunology Research Centre, St Vicent's Hospital/Victoria/Australie (13 aut., 14 aut.); The Laboratorio di Tecnologie della Riproduzione, LTR/Cremona/Italie (15 aut.); Consorzio per la Ricerca sul Trapianto d'Organi, CORIT/Padua/Italie (16 aut.) |
DT : | Publication en série; Congrès; Niveau analytique |
SO : | Transplantation proceedings; ISSN 0041-1345; Coden TRPPA8; Pays-Bas; Da. 2011; Vol. 43; No. 9; Pp. 3426-3430; Bibl. 14 ref. |
LA : | Anglais |
EA : | Galactosyl-transferase knockout (GT-KO) pigs represent the latest major progress to reduce immune reactions in xenotransplantation. However, their organs are still subject to rapid humoral rejection involving complement activation requiring the ongoing development of further genetic modifications in the pig. In a pig-to-baboon renal transplantation setting, we have used donor pigs that are not only GT-KO, but also transgenic for human CD55 (hCD55), hCD59, hCD39, and fucosyl-transferase (hHT). We studied kidney xenograft survival, physiological and immunologic parameters, xenogeneic rejection characteristics, as well as viral transmission aspects among two groups of baboons: control animals (n = 2), versus those (n = 4) treated with a cocktail of cyclophosphamide, tacrolimus, mycophenolate mofetil, steroids, and a recombinant human C1 inhibitor. Whereas control animals showed clear acute humoral rejection at around day 4, the treated animals showed moderately improved graft survival with rejection at around 2 weeks posttransplantation. Biopsies showed signs of acute vascular rejection (interstitial hemorrhage, glomerular thrombi, and acute tubular necrosis) as well as immunoglobulin (Ig)M and complement deposition in the glomerular and peritubular capillaries. The low level of preformed non-Gal-α1.3Gal IgM detected prior to transplantation increased at 6 days posttransplantation, whereas induced IgG appeared after day 6. No porcine endogenous retrovirus (PERV) transmission was detected in any transplanted baboon. Thus, surprisingly, organs from the GT-KO, hCD55, hCD59, hCD39, and hHT transgenic donors did not appear to convey significant protection against baboon anti-pig antibodies and complement activation, which obviously continue to be significant factors under a suboptimal immunosuppression regimen. The association, timing, and doses of immunosuppressive drugs remain critical. They will have to be optimized to achieve longer graft survivals. |
CC : | 002B25; 002A06F |
FD : | Hétérotransplantation; Transferases; Gène; Mutation; Facteur accélérateur dissociation; Animal transgénique; Porc; Rein; Primates; Singe; Médecine; Transplantation; Greffe; Traitement; Antigène CD55; Antigène CD59; Antigène CD39; Babouin |
FG : | Enzyme; Artiodactyla; Ungulata; Mammalia; Vertebrata; Chirurgie; Génétique; Appareil urinaire |
ED : | Heterotransplantation; Transferases; Gene; Mutation; Decay accelerating factor; Transgenic animal; Pig; Kidney; Primates; Monkey; Medicine; Transplantation; Graft; Treatment; Baboon |
EG : | Enzyme; Artiodactyla; Ungulata; Mammalia; Vertebrata; Surgery; Genetics; Urinary system |
SD : | Heterotrasplante; Transferases; Gen; Mutación; Factor acelerador disociación; Animal transgénico; Cerdo; Riñón; Primates; Mono; Medicina; Trasplantación; Injerto; Tratamiento |
LO : | INIST-14765.354000507348890670 |
ID : | 12-0017503 |
Links to Exploration step
Pascal:12-0017503Le document en format XML
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Xenotransplantation of Galactosyl-Transferase Knockout, CD55, CD59, CD39, and Fucosyl-Transferase Transgenic Pig Kidneys Into Baboons</title>
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<affiliation><inist:fA14 i1="01"><s1>Institut de Transplantation-Urologie-Néphrologie, ITUN and INSERM UMR643</s1>
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<series><title level="j" type="main">Transplantation proceedings</title>
<title level="j" type="abbreviated">Transplant. proc.</title>
<idno type="ISSN">0041-1345</idno>
<imprint><date when="2011">2011</date>
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<seriesStmt><title level="j" type="main">Transplantation proceedings</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Baboon</term>
<term>Decay accelerating factor</term>
<term>Gene</term>
<term>Graft</term>
<term>Heterotransplantation</term>
<term>Kidney</term>
<term>Medicine</term>
<term>Monkey</term>
<term>Mutation</term>
<term>Pig</term>
<term>Primates</term>
<term>Transferases</term>
<term>Transgenic animal</term>
<term>Transplantation</term>
<term>Treatment</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Hétérotransplantation</term>
<term>Transferases</term>
<term>Gène</term>
<term>Mutation</term>
<term>Facteur accélérateur dissociation</term>
<term>Animal transgénique</term>
<term>Porc</term>
<term>Rein</term>
<term>Primates</term>
<term>Singe</term>
<term>Médecine</term>
<term>Transplantation</term>
<term>Greffe</term>
<term>Traitement</term>
<term>Antigène CD55</term>
<term>Antigène CD59</term>
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<front><div type="abstract" xml:lang="en">Galactosyl-transferase knockout (GT-KO) pigs represent the latest major progress to reduce immune reactions in xenotransplantation. However, their organs are still subject to rapid humoral rejection involving complement activation requiring the ongoing development of further genetic modifications in the pig. In a pig-to-baboon renal transplantation setting, we have used donor pigs that are not only GT-KO, but also transgenic for human CD55 (hCD55), hCD59, hCD39, and fucosyl-transferase (hHT). We studied kidney xenograft survival, physiological and immunologic parameters, xenogeneic rejection characteristics, as well as viral transmission aspects among two groups of baboons: control animals (n = 2), versus those (n = 4) treated with a cocktail of cyclophosphamide, tacrolimus, mycophenolate mofetil, steroids, and a recombinant human C1 inhibitor. Whereas control animals showed clear acute humoral rejection at around day 4, the treated animals showed moderately improved graft survival with rejection at around 2 weeks posttransplantation. Biopsies showed signs of acute vascular rejection (interstitial hemorrhage, glomerular thrombi, and acute tubular necrosis) as well as immunoglobulin (Ig)M and complement deposition in the glomerular and peritubular capillaries. The low level of preformed non-Gal-α1.3Gal IgM detected prior to transplantation increased at 6 days posttransplantation, whereas induced IgG appeared after day 6. No porcine endogenous retrovirus (PERV) transmission was detected in any transplanted baboon. Thus, surprisingly, organs from the GT-KO, hCD55, hCD59, hCD39, and hHT transgenic donors did not appear to convey significant protection against baboon anti-pig antibodies and complement activation, which obviously continue to be significant factors under a suboptimal immunosuppression regimen. The association, timing, and doses of immunosuppressive drugs remain critical. They will have to be optimized to achieve longer graft survivals.</div>
</front>
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<fC03 i1="05" i2="X" l="FRE"><s0>Facteur accélérateur dissociation</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Decay accelerating factor</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Factor acelerador disociación</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Animal transgénique</s0>
<s5>08</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Transgenic animal</s0>
<s5>08</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Animal transgénico</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Porc</s0>
<s5>09</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Pig</s0>
<s5>09</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Cerdo</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Rein</s0>
<s5>11</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Kidney</s0>
<s5>11</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Riñón</s0>
<s5>11</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Primates</s0>
<s2>NS</s2>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Primates</s0>
<s2>NS</s2>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Primates</s0>
<s2>NS</s2>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Singe</s0>
<s5>17</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Monkey</s0>
<s5>17</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Mono</s0>
<s5>17</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Médecine</s0>
<s5>18</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Medicine</s0>
<s5>18</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Medicina</s0>
<s5>18</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Transplantation</s0>
<s5>19</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Transplantation</s0>
<s5>19</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Trasplantación</s0>
<s5>19</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Greffe</s0>
<s5>25</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Graft</s0>
<s5>25</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Injerto</s0>
<s5>25</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Traitement</s0>
<s5>26</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Treatment</s0>
<s5>26</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Tratamiento</s0>
<s5>26</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Antigène CD55</s0>
<s4>INC</s4>
<s5>86</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Antigène CD59</s0>
<s4>INC</s4>
<s5>87</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Antigène CD39</s0>
<s4>INC</s4>
<s5>88</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE"><s0>Babouin</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="18" i2="X" l="ENG"><s0>Baboon</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Enzyme</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Enzyme</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Enzima</s0>
<s2>FE</s2>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Artiodactyla</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Artiodactyla</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Artiodactyla</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Ungulata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Ungulata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Ungulata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Chirurgie</s0>
<s5>37</s5>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Surgery</s0>
<s5>37</s5>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Cirugía</s0>
<s5>37</s5>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Génétique</s0>
<s5>38</s5>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Genetics</s0>
<s5>38</s5>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Genética</s0>
<s5>38</s5>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Appareil urinaire</s0>
<s5>39</s5>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Urinary system</s0>
<s5>39</s5>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Aparato urinario</s0>
<s5>39</s5>
</fC07>
<fN21><s1>002</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>The French Speaking Society of Transplantation and Transplantation Sans Frontières. Congrès</s1>
<s3>Geneva CHE</s3>
<s4>2000-12-15</s4>
</fA30>
</pR>
</standard>
<server><NO>PASCAL 12-0017503 INIST</NO>
<ET>Xenotransplantation of Galactosyl-Transferase Knockout, CD55, CD59, CD39, and Fucosyl-Transferase Transgenic Pig Kidneys Into Baboons</ET>
<AU>LE BAS-BERNARDET (S.); TILLOU (X.); POIRIER (N.); DILEK (N.); CHATELAIS (M.); DEVALLIERE (J.); CHARREAU (B.); MINAULT (D.); HERVOUET (J.); RENAUDIN (K.); CROSSAN (C.); SCOBIE (L.); COWAN (P. J.); D'APICE (A. J. F.); GALLI (C.); COZZI (E.); SOULILLOU (J. P.); VANHOVE (B.); BLANCHO (G.)</AU>
<AF>Institut de Transplantation-Urologie-Néphrologie, ITUN and INSERM UMR643/Nantes/France (1 aut., 2 aut., 3 aut., 4 aut., 5 aut., 6 aut., 7 aut., 8 aut., 9 aut., 17 aut., 18 aut., 19 aut.); Pathology Laboratory, CHU-Hôtel Dieu/Nantes/France (10 aut.); Department of Biological and Biomedical Sciences, Glasgow Caledonian University/Glasgow/Royaume-Uni (11 aut., 12 aut.); Immunology Research Centre, St Vicent's Hospital/Victoria/Australie (13 aut., 14 aut.); The Laboratorio di Tecnologie della Riproduzione, LTR/Cremona/Italie (15 aut.); Consorzio per la Ricerca sul Trapianto d'Organi, CORIT/Padua/Italie (16 aut.)</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>Transplantation proceedings; ISSN 0041-1345; Coden TRPPA8; Pays-Bas; Da. 2011; Vol. 43; No. 9; Pp. 3426-3430; Bibl. 14 ref.</SO>
<LA>Anglais</LA>
<EA>Galactosyl-transferase knockout (GT-KO) pigs represent the latest major progress to reduce immune reactions in xenotransplantation. However, their organs are still subject to rapid humoral rejection involving complement activation requiring the ongoing development of further genetic modifications in the pig. In a pig-to-baboon renal transplantation setting, we have used donor pigs that are not only GT-KO, but also transgenic for human CD55 (hCD55), hCD59, hCD39, and fucosyl-transferase (hHT). We studied kidney xenograft survival, physiological and immunologic parameters, xenogeneic rejection characteristics, as well as viral transmission aspects among two groups of baboons: control animals (n = 2), versus those (n = 4) treated with a cocktail of cyclophosphamide, tacrolimus, mycophenolate mofetil, steroids, and a recombinant human C1 inhibitor. Whereas control animals showed clear acute humoral rejection at around day 4, the treated animals showed moderately improved graft survival with rejection at around 2 weeks posttransplantation. Biopsies showed signs of acute vascular rejection (interstitial hemorrhage, glomerular thrombi, and acute tubular necrosis) as well as immunoglobulin (Ig)M and complement deposition in the glomerular and peritubular capillaries. The low level of preformed non-Gal-α1.3Gal IgM detected prior to transplantation increased at 6 days posttransplantation, whereas induced IgG appeared after day 6. No porcine endogenous retrovirus (PERV) transmission was detected in any transplanted baboon. Thus, surprisingly, organs from the GT-KO, hCD55, hCD59, hCD39, and hHT transgenic donors did not appear to convey significant protection against baboon anti-pig antibodies and complement activation, which obviously continue to be significant factors under a suboptimal immunosuppression regimen. The association, timing, and doses of immunosuppressive drugs remain critical. They will have to be optimized to achieve longer graft survivals.</EA>
<CC>002B25; 002A06F</CC>
<FD>Hétérotransplantation; Transferases; Gène; Mutation; Facteur accélérateur dissociation; Animal transgénique; Porc; Rein; Primates; Singe; Médecine; Transplantation; Greffe; Traitement; Antigène CD55; Antigène CD59; Antigène CD39; Babouin</FD>
<FG>Enzyme; Artiodactyla; Ungulata; Mammalia; Vertebrata; Chirurgie; Génétique; Appareil urinaire</FG>
<ED>Heterotransplantation; Transferases; Gene; Mutation; Decay accelerating factor; Transgenic animal; Pig; Kidney; Primates; Monkey; Medicine; Transplantation; Graft; Treatment; Baboon</ED>
<EG>Enzyme; Artiodactyla; Ungulata; Mammalia; Vertebrata; Surgery; Genetics; Urinary system</EG>
<SD>Heterotrasplante; Transferases; Gen; Mutación; Factor acelerador disociación; Animal transgénico; Cerdo; Riñón; Primates; Mono; Medicina; Trasplantación; Injerto; Tratamiento</SD>
<LO>INIST-14765.354000507348890670</LO>
<ID>12-0017503</ID>
</server>
</inist>
</record>
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