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EFFECT OF CYSTINE INTAKE AND TRACER ADMINISTRATION ON METHIONINE REQUIREMENT

EFFECT OF CYSTINE INTAKE AND TRACER ADMINISTRATION ON METHIONINE REQUIREMENT
胱氨酸摄入量和示踪剂施用对蛋氨酸需求的影响
批准号:
6115551
负责人:
VERNON R YOUNG
金额:
$4.04万
依托单位国家:
美国
项目类别:
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-12-01 至 1999-11-30

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项目成果

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中文摘要
翻译
评估饲粮提供胱氨酸时蛋氨酸的需取量。蛋氨酸平衡(按需要量摄入)将与较低蛋氨酸摄入量加胱氨酸进行比较。通过口服蛋氨酸和半胱氨酸的多标记同位素,研究人员将能够获得蛋氨酸-胱氨酸循环的信息,并进一步研究胱氨酸在蛋氨酸利用中的保留作用。在另一项示踪剂研究中,示踪剂将被静脉注射,以提供有关蛋氨酸的强制性氧化损失和人体对蛋氨酸利用效率的信息。
英文摘要
To evaluate methionine requirement when cystine is provided by diet. Methionine balance (at requirement intake) will be compared with lower methionine intake plus cystine. By administering orally multi-labeled isotopes of methionine and cysteine, the investigators will be able to obtain information on methionine-cystine cycle and further investigate the cystine sparing role in methionine utilization. During an additional tracer study, tracers will be infused, I.V., to provide information related to the obligatory oxidative losses of methionine and to the efficiency of the utilization of methionine by the human body.
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THE EFFECT OF CREATINE SUPPLEMENTATION ON METHIONINE RE
  • 批准号:
    6982625
  • 项目类别:
  • 资助金额:
    $5.97万
  • 财政年份:
    2003
  • 负责人:
    VERNON R YOUNG
  • 依托单位:
CORE--MASS SPECTROMETRY LABORATORY
  • 批准号:
    6630907
  • 项目类别:
  • 资助金额:
    $10.37万
  • 财政年份:
    2002
  • 负责人:
    VERNON R YOUNG
  • 依托单位:
CORE--MASS SPECTROMETRY LABORATORY
  • 批准号:
    6500420
  • 项目类别:
  • 资助金额:
    $10.37万
  • 财政年份:
    2001
  • 负责人:
    VERNON R YOUNG
  • 依托单位:
CYSTEINE & GLUTATHIONE METABOLISM IN HEALTHY SUBJECTS
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