Characterizing lung metabolism with carbon-13 magnetic resonance spectroscopy in a small-animal model: evidence of gluconeogenesis during hypothermic storage.

Abstract:

:Experimental evidence suggests storing lungs inflated with oxygen and with oxidizable substrate improves results of lung transplantation. Glucose is included in the low-potassium-dextran (LPD) solution Perfadex to achieve this goal. The authors hypothesized that other substrates might be more effective. Rat lungs were stored for 6 or 24 hr in LPD solution with the following carbon-13--labeled substrates: 5 mM glucose (Perfadex group), 32 mM pyruvate (pyruvate group), or both (combination group). Metabolism was assessed by magnetic resonance spectroscopy. Small amounts of exogenous glucose were oxidized in the Perfadex group. In contrast, exogenous pyruvate was the major substrate oxidized in the pyruvate and combination groups (P<0.01 vs. Perfadex). Carbon-13--labeled glucose and glycogen were detected in the pyruvate group, suggesting that gluconeogenesis and glycogen synthesis occur in glucose-deprived lungs. Lungs for transplantation metabolize substrates through both anabolic and catabolic pathways. These reactions may be important in designing improved solutions for lung preservation.

journal_name

Transplantation

journal_title

Transplantation

authors

Peltz M,He TT,Adams GA 4th,Chao RY,Meyer DM,Jessen ME

doi

10.1097/01.tp.0000169129.45433.b6

subject

Has Abstract

pub_date

2005-08-15 00:00:00

pages

417-20

issue

3

eissn

0041-1337

issn

1534-6080

pii

00007890-200508150-00020

journal_volume

80

pub_type

杂志文章
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    更新日期:2012-09-27 00:00:00

  • Living-donor liver transplantation: 12 years of experience in Asia.

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    pub_type: 杂志文章,评审

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    更新日期:2003-02-15 00:00:00

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    authors: Paris AM,Bishop C,Festenstein H,Gunther E

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    journal_title:Transplantation

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    doi:10.1097/TP.0b013e3181af7c0d

    authors: Sumpter TL,Lunz JG 3rd,Demetris AJ,Thomson AW

    更新日期:2009-08-15 00:00:00

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    authors: Vo AA,Choi J,Kim I,Louie S,Cisneros K,Kahwaji J,Toyoda M,Ge S,Haas M,Puliyanda D,Reinsmoen N,Peng A,Villicana R,Jordan SC

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    journal_title:Transplantation

    pub_type: 杂志文章

    doi:

    authors: Cairns T,Lee J,Goldberg L,Cook T,Simpson P,Spackman D,Palmer A,Taube D

    更新日期:1995-12-15 00:00:00

  • High Tacrolimus Clearance Is a Risk Factor for Acute Rejection in the Early Phase After Renal Transplantation.

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    pub_type: 杂志文章,随机对照试验

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    pub_type: 杂志文章

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    authors: Krishnan N,Cockwell P,Devulapally P,Gerber B,Hanvesakul R,Higgins R,Ready A,Carmichael P,Tomlinson K,Kumar S,Baharani J,Dasgupta I

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    authors: Mayer AD,Dmitrewski J,Squifflet JP,Besse T,Grabensee B,Klein B,Eigler FW,Heemann U,Pichlmayr R,Behrend M,Vanrenterghem Y,Donck J,van Hooff J,Christiaans M,Morales JM,Andres A,Johnson RW,Short C,Buchholz B,Rehmert N

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    doi:10.1097/00007890-199607270-00023

    authors: Omura T,Ascher NL,Emond JC

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    authors: Ciszek M,Paczek L,Bartłomiejczyk I,Mucha K

    更新日期:2006-06-27 00:00:00

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    更新日期:2007-09-15 00:00:00

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    pub_type: 杂志文章

    doi:10.1097/TP.0000000000000576

    authors: Zaitsu M,Yamashita K,Shibasaki S,Tsunetoshi Y,Fukai M,Ogura M,Yoshida T,Igarashi R,Kobayashi N,Umezawa K,Todo S

    更新日期:2015-05-01 00:00:00

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    pub_type: 杂志文章

    doi:10.1097/00007890-198801000-00021

    authors: Ruiz P,Kolbeck PC,Scroggs MW,Sanfilippo F

    更新日期:1988-01-01 00:00:00

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    pub_type: 杂志文章

    doi:

    authors: Suthanthiran M,Fotino M,Cheigh JS,Rubin AL,Novogrodsky A,Stenzel KH

    更新日期:1979-05-01 00:00:00