Pig endogenous retroviruses and xenotransplantation.

abstract：AIM:To provide information on the specificity of induced anti-pig antibodies (Abs) in baboons after exposure and sensitization to pig antigens. MATERIALS AND METHODS:Baboons (n=7) received either porcine mobilized peripheral blood progenitor cells (n=3), kidney (n=3) or heart (n=1) transplants. After rejection of thes...

journal_title：Xenotransplantation

authors： Buhler L,Xu Y,Li W,Zhu A,Cooper DK

更新日期：2003-01-01 00:00:00

abstract：:Patients in whom type 1 diabetes is complicated by impaired awareness of hypoglycemia and recurrent episodes of severe hypoglycemia are candidates for islet or pancreas transplantation if severe hypoglycemia persists after completion of a structured stepped care approach or a formalized medical optimization run-in per...

journal_title：Xenotransplantation

authors： Hering BJ,O'Connell PJ

更新日期：2016-01-01 00:00:00

abstract：BACKGROUND:Ubiquitous expression of T-cell regulatory transgenes such as the cytotoxic T lymphocyte-associated antigen 4 (CTLA4) or the high-affinity variant LEA29Y improves xeno graft survival. Such donor pigs are however immunocompromised and susceptible to infection. Continous high expression of CTLA4 or LEA29Y in t...

journal_title：Xenotransplantation

authors： Fischer A,Manske K,Seissler J,Wohlleber D,Simm N,Wolf-van Buerck L,Knolle P,Schnieke A,Fischer K

更新日期：2020-11-01 00:00:00

abstract：BACKGROUND:Manipulating the pig genome to increase compatibility with human biology may facilitate the clinical application of xenotransplantation. Genetic modifications to pig cells have been made by sequential recombination in fetal fibroblasts and liver-derived cells followed by cross-breeding or somatic cell nuclea...

journal_title：Xenotransplantation

authors： Li P,Estrada JL,Burlak C,Montgomery J,Butler JR,Santos RM,Wang ZY,Paris LL,Blankenship RL,Downey SM,Tector M,Tector AJ

更新日期：2015-01-01 00:00:00

abstract：:Islets isolated from multiple pancreas donors are often necessary to achieve euglycemia in type 1 diabetic patients treated by islet allotransplantation. This increases the burden on the limited pool of donor organs. After infusion into the portal vein, a substantial percentage of islets are lost in the immediate post...

journal_title：Xenotransplantation

authors： van der Windt DJ,Bottino R,Casu A,Campanile N,Cooper DK

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND:The aim of the present study was to further investigate the characteristics of both graft-infiltrating cells and splenocytes during acute vascular rejection (AVR), cell-mediated rejection and non-rejection of vascularized concordant xenografts, by analysing both proinflammatory [interleukin-1beta (IL-1beta) ...

journal_title：Xenotransplantation

authors： Lorant T,Krook H,Wilton J,Olausson M,Tufveson G,Korsgren O,Johnsson C

更新日期：2003-07-01 00:00:00

abstract：:Allogeneic hematopoietic stem cell transplantation (HSCT) and xenotransplantation are accompanied by viral reactivations and virus-associated complications resulting from immune deficiency. Here, in a Mauritian cynomolgus macaque model of fully MHC-matched allogeneic HSCT, we report reactivations of cynomolgus polyoma...

journal_title：Xenotransplantation

authors： Wu HL,Weber WC,Shriver-Munsch C,Swanson T,Northrup M,Price H,Armantrout K,Robertson-LeVay M,Reed JS,Bateman KB,Mahyari E,Thomas A,Junell SL,Hobbs TR,Martin LD,MacAllister R,Bimber BN,Slifka MK,Legasse AW,Moats C,A

更新日期：2020-07-01 00:00:00

abstract：BACKGROUND:Intravascular thrombosis and systemic coagulation abnormalities are major hurdles to successful xenotransplantation and are signs of acute humoral rejection. Increased expression of tissue factor (TF) is associated with the development of microvascular thrombosis in xenografts. To develop an effective strate...

journal_title：Xenotransplantation

authors： Lee KG,Lee H,Ha JM,Lee YK,Kang HJ,Park CG,Kim SJ

更新日期：2012-05-01 00:00:00

abstract：:Cultures of hDAF transgenic porcine aortic endothelial cells (TPAEs) with levels of cell surface hDAF expression between 2000 and 300 000 molecules per cell have been used to determine the relationship between expression of hDAF and protection from human complement deposition in an in vitro model. At concentrations be...

journal_title：Xenotransplantation

authors： Carrington CA,dos Santos Cruz G

更新日期：2001-05-01 00:00:00

abstract：:Exposure to human serum induces the lysis of xenogeneic cells through natural antibodies and complement activation. The carbohydrate Galactose-alpha1,3-Galactose (Gal-alpha1,3-Gal) epitope, has been shown to be the principal antigenic determinant on target cells. This reaction is, therefore, particularly important for...

journal_title：Xenotransplantation

authors： Déglon N,Aubert V,Spertini F,Winkel L,Aebischer P

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND:Making xenotransplantation socially acceptable is the first step in working toward the promotion of this potential therapy option for providing transplant organs. OBJECTIVE:To analyze the attitude toward xenotransplantation among the Latin American population resident in Florida (the USA), and to determine ...

journal_title：Xenotransplantation

authors： Ríos A,López-Navas AI,Martínez-Alarcón L,Ramis G,Hernández AM,Ayala MA,Garrido G,Ramírez P,Parrilla P

更新日期：2016-07-01 00:00:00

abstract：:The process of islet xenograft rejection is still poorly understood. To elucidate further possible mechanism(s) involved in xenograft rejection, the effect of different immunization protocols was investigated. Fetal porcine islet-like cell clusters (ICCs) were transplanted under the kidney capsule in otherwise untreat...

journal_title：Xenotransplantation

authors： Korsgren O,Wallgren AC,Satake M,Karlsson-Parra A

更新日期：1999-11-01 00:00:00

abstract：:The first blood transfusions in humans were xenotransfusions, carried out by Jean-Baptiste Denis beginning in 1667. Richard Lower, Matthäus Purmann and Georges Mercklin also experimented with the use of animal blood for transfusion until this practice was forbidden in 1670, after the death of one of Denis's patients. ...

journal_title：Xenotransplantation

authors： Roux FA,Saï P,Deschamps JY

更新日期：2007-05-01 00:00:00

abstract：BACKGROUND:In pig-to-nonhuman primate solid organ xenotransplantation using organs from donors transgenic for human decay-accelerating factor (hDAF), the main type of rejection is antibody-mediated (acute humoral xenograft rejection, AHXR). This occurs despite the complement-regulatory function of the transgene, neutra...

journal_title：Xenotransplantation

authors： Lam TT,Hausen B,Hook L,Lau M,Higgins J,Christians U,Jacobsen W,Baluom M,Duthaler R,Katopodis A,Chavez G,Cozzi E,Harrison R,Schuurman HJ,Borie D,Morris RE

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:In the α1,3-galactosyltransferase knockout (α-GalT KO) pig era, identification of the non-Gal epitopes is necessary for successful pig-to-human xenotransplantation. Recently, we successfully detected α-Gal epitopes as well as Hanganutziu-Deicher (H-D) antigens from the N-glycans in the pig heart tissues, whi...

journal_title：Xenotransplantation

authors： Jeong HJ,Adhya M,Park HM,Kim YG,Kim BG

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND:Porcine islet transplantation is emerging as an attractive option for the treatment of patients with type 1 diabetes, with the possibility of providing islets of higher and more consistent quality and in larger volumes than available from human pancreata. The use of encapsulated neonatal porcine islets (ENPI...

journal_title：Xenotransplantation

authors： Kitzmann JP,Law L,Shome A,Muzina M,Elliott RB,Mueller KR,Schuurman HJ,Papas KK

更新日期：2012-11-01 00:00:00

abstract：:Liver xenografts transplanted from guinea pig to rat suffer from inadequate organ reperfusion and initial dysfunction, despite sufficient complement depletion using cobra venom factor (CVF). Reperfusion injury is prevented when complement depleted donors are treated with the prostacyclin analog epoprostenol. Histologi...

journal_title：Xenotransplantation

authors： Meyer zu Vilsendorf A,Link C,Jörns A,Nagel E,Köhl J

更新日期：2001-02-01 00:00:00

abstract：:Acute humoral rejection remains the major barrier to long-term pig-to-primate xenograft survival, and microvascular thrombosis is a critical element of the rejection process. It appears that persistent endothelial cell activation and injury, by even low levels of anti-graft antibodies, eventually overwhelm the cellula...

journal_title：Xenotransplantation

authors： Cowan PJ

更新日期：2007-01-01 00:00:00

abstract：:Post-transplantation infections are common in allograft recipients and should be expected in all immunocompromised hosts. Based on the need for immunosuppression in xenotransplantation, procedures developed to enhance safety in allotransplantation can be applied in future xenotransplantation clinical trials. Standardi...

journal_title：Xenotransplantation

authors： Nellore A,Fishman JA

更新日期：2018-07-01 00:00:00

abstract：BACKGROUND:Innovations in transgenic technology have facilitated improved xenograft survival. Additional gene expression appears to be necessary to overcome the remaining immune and biologic incompatibilities. We report for the first time the novel use of six-gene modifications within a pig-to-baboon cardiac xenotransp...

journal_title：Xenotransplantation

authors： Chan JL,Singh AK,Corcoran PC,Thomas ML,Lewis BG,Ayares DL,Vaught T,Horvath KA,Mohiuddin MM

更新日期：2017-11-01 00:00:00

abstract：BACKGROUND:Autograft (AG) is the gold standard bone graft due to biocompatibility, osteoconductivity, osteogenicity, and osteoinductivity. Alternatives include allografts and xenografts (XG). METHODS:We investigated the osseointegration and biocompatibility of a decellularized porcine XG within a critical defect anima...

journal_title：Xenotransplantation

authors： Jinnah AH,Whitlock P,Willey JS,Danelson K,Kerr BA,Hassan OA,Emory CL,Smith TL,Bracey DN

更新日期：2020-11-26 00:00:00

abstract：BACKGROUND:In vivo pig liver xenotransplantation preclinical trials appear to have poor efficiency compared to heart or kidney xenotransplantation because of xenogeneic rejection, including coagulopathy, and particularly thrombocytopenia. In contrast, ex vivo pig liver (wild type) perfusion systems have been proven to ...

journal_title：Xenotransplantation

authors： Wang Q,Zhang X,Wang B,Bai G,Pan D,Yang P,Tao K,Li X,Dou K

更新日期：2020-01-01 00:00:00

abstract：BACKGROUND:The pig pancreas is considered to be the most suitable source of islets for xenotransplantation in patients with type I diabetes. The objective of this study was to assess the antigenicity of neonatal porcine islet-like cell clusters (NPCC), including the Galalpha1-3Galbeta1-4GlcNAc-R (alpha-Gal) and Hanganu...

journal_title：Xenotransplantation

authors： Omori T,Nishida T,Komoda H,Fumimoto Y,Ito T,Sawa Y,Gao C,Nakatsu S,Shirakura R,Miyagawa S

更新日期：2006-09-01 00:00:00

abstract：BACKGROUND:As a step towards clinical cardiac xenotransplantation, our experimental heterotopic intrathoracic xenotransplantation model offers a beating and ejecting donor heart while retaining the recipient's native organ as a backup in case of graft failure. Clinically applicable immunosuppressive regimens (IS) were ...

journal_title：Xenotransplantation

authors： Abicht JM,Mayr T,Reichart B,Buchholz S,Werner F,Lutzmann I,Schmoeckel M,Bauer A,Thormann M,Langenmayer M,Herbach N,Pohla H,Herzog R,McGregor CG,Ayares D,Wolf E,Klymiuk N,Baehr A,Kind A,Hagl C,Ganswindt U,Belka C

更新日期：2015-11-01 00:00:00

abstract：BACKGROUND:Extensive studies in rodents have identified olfactory ensheathing cells (OECs) as promising candidates for cell-based therapies of spinal cord and peripheral nerve injury. Previously, we demonstrated that short-term cultured adult porcine OECs can remyelinate the rodent and non-human primate spinal cord. He...

journal_title：Xenotransplantation

authors： Radtke C,Lankford KL,Wewetzer K,Imaizumi T,Fodor WL,Kocsis JD

更新日期：2010-01-01 00:00:00

abstract：:Fetal pig islets, xenografted after organ culture into non-immunosuppressed prediabetic NOD mice, are rejected within 10 days. Immunosuppression with anti-T cell (anti-CD4 and anti-CD3) monoclonal antibodies alone is highly effective in delaying graft rejection in this discordant model, but rejection eventually occurs...

journal_title：Xenotransplantation

authors： Koulmanda M,Kovarik J,Mandel TE

更新日期：1998-08-01 00:00:00

abstract：BACKGROUND:Little information is available regarding the precise swine leukocyte antigen (SLA)-derived immunogenic peptides that are presented in the context of human HLA molecules. Here, we identified SLA-derived immunogenic peptides that are presented in association with human HLA-A2 molecule. METHODS:The SLA-derive...

journal_title：Xenotransplantation

authors： Park CS,Im SA,Song S,Kim K,Lee CK

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND:Despite overcoming xenograft hyperacute rejection (HAR), Gal (galactose-alpha1,3-galactose) expression may not be completely eliminated from the alpha1,3-galactosyltransferase gene knockout (Gal KO) pig because of alternative galactosyltransferases. Whether low levels of "residual" Gal are still susceptible ...

journal_title：Xenotransplantation

authors： Murray-Segal L,Gock H,Cowan PJ,d'Apice AJ

更新日期：2008-02-01 00:00:00

abstract：BACKGROUND:This paper is based on a theological symposium presented at the International Xenotransplantation Association's 14th Congress held in Baltimore, MD, September, 2017. METHODS:The information explores the Jewish, Christian and Muslim theological perceptions and perspectives about cross-species (ie pig-to-huma...

journal_title：Xenotransplantation

authors： Paris W,Seidler RJH,FitzGerald K,Padela AI,Cozzi E,Cooper DKC

更新日期：2018-05-01 00:00:00

abstract：:Type 1 diabetes can be cured by transplantation of isolated pancreatic islets. Because of the shortage of human donor tissue, adult porcine islets (APIs) constitute a possible alternative tissue source. Upon intraportal injection, islets are subjected to an instant blood-mediated inflammatory reaction (IBMIR) leading ...

journal_title：Xenotransplantation

authors： Ehrnfelt C,Kumagai-Braesch M,Uzunel M,Holgersson J

更新日期：2004-03-01 00:00:00