Basic anatomical and physiological differences between species should be considered when choosing combinations for use in models of hepatic xenotransplantation: an investigation of the guinea pig-to-rat combination.

Abstract:

:Published data on the guinea pig-to-rat hepatic xenotransplant model describe problems concerning poor graft reperfusion. To further investigate this phenomenon, orthotopic liver xenotransplantation between weight-matched guinea pigs and rats were performed using Kamada's technique. On reperfusion, all cases had portal venous inflow block with hypoperfusion of the hepatic parenchyma. Histological examination showed no evidence of hyperacute rejection, although deposits of IgG2a and C3 but not IgM were identified within the central area of the liver. To increase blood inflow, arterialized partial liver grafts were performed without changing the outcome. We hypothesize that the hypoperfusion may be related to anatomical and physiological differences between the species. Guinea pig portal vein branches were found to have muscular walls susceptible to spasm, and portal blood flow is four times greater in the guinea pig than in the rat because the guinea pig intestine is both longer (two times as long) and of greater diameter. The combination of reperfusion injury, early immunological events, and the rat's lower portal blood flow induces spasm of the intrahepatic portal system resulting in hypoperfusion. These findings demonstrate the importance of recognizing basic anatomical and physiological differences between species when selecting xenotransplantation models.

journal_name

Transplantation

journal_title

Transplantation

authors

Delriviere LD,Havaux X,Gibbs P,Gianello PR

doi

10.1097/00007890-199807150-00017

subject

Has Abstract

pub_date

1998-07-15 00:00:00

pages

112-5

issue

1

eissn

0041-1337

issn

1534-6080

journal_volume

66

pub_type

杂志文章
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  • Effect of FK506 versus cyclosporine on human natural and antibody-dependent cytotoxicity reactions in vitro.

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    更新日期:1991-01-01 00:00:00

  • Activity of syngeneic complement for revealing antibody-induced cytotoxicity against a rat hepatoma.

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  • Analysis of rejection mechanism in the rat to mouse cardiac xenotransplantation. Role and characteristics of anti-endothelial cell antibodies.

    abstract::Recent reports have demonstrated that humoral factors, especially antibodies elicited by xenoantigens, play an important role in the rejection of concordant cardiac xenografts. These induced antibodies, however, have not been well characterized. Therefore, we investigated the rejection mechanism, especially the role o...

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    doi:

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  • Donation after circulatory determination of death: the university of michigan experience with extracorporeal support.

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    pub_type: 杂志文章

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    authors: Kapoor A,Morita K,Engeman TM,Koga S,Vapnek EM,Hobart MG,Fairchild RL

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    pub_type: 临床试验,杂志文章

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    authors: Ferraris JR,Tambutti ML,Cardoni RL,Prigoshin N

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    pub_type: 杂志文章,随机对照试验

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    authors: Brattström C,Granath F,Edgren G,Smedby KE,Wilczek HE

    更新日期:2013-08-15 00:00:00

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    doi:10.1097/TP.0000000000000581

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  • Increasing the donor pool using en bloc pediatric kidneys for transplant.

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    authors: Sánchez-Fructuoso AI,Prats D,Pérez-Contín MJ,Marques M,Torrente J,Conesa J,Grimalt J,Del Rio F,Núñez JR,Barrientos A

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  • Kidney Transplant in the Era of Modern Therapy for Multiple Myeloma.

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    pub_type: 杂志文章

    doi:10.1097/TP.0000000000003335

    authors: Gilbo N,Fieuws S,Meurisse N,Nevens F,van der Merwe S,Laleman W,Verslype C,Cassiman D,van Malenstein H,Roskams T,Sainz-Barriga M,Pirenne J,Jochmans I,Monbaliu D

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    pub_type: 杂志文章

    doi:10.1097/00007890-197612000-00004

    authors: Sachs DH,Leight G,Cone J,Schwarz S,Stuart L,Rosenberg S

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  • Recipient RAS gene variants and renal allograft function.

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    doi:10.1097/00007890-200203270-00023

    authors: Nicod J,Richard A,Frey FJ,Ferrari P

    更新日期:2002-03-27 00:00:00

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    更新日期:1994-07-27 00:00:00