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Effects of dietary protein on immunological activity and host resistance to fungal infection in mice

Research Project

Project/Area Number 21580135
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Food science
Research InstitutionChiba University

Principal Investigator

OARADA Motoko  千葉大学, 真菌医学研究センター, 助教 (40211784)

Co-Investigator(Kenkyū-buntansha) KAMEI Katsuhiko  千葉大学, 真菌医学研究センター, 教授 (10214545)
Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords栄養化学 / 栄養学 / 感染症 / 高タンパク質 / 免疫学 / タンパク質 / ストレス
Research Abstract

In an effort to establish the optimum diet for host resistance, we investigated the effect of different dietary protein levels on host resistance to pathogenic fungi. Mice refed low protein diet showed higher antifungal activity in the spleen and liver compared with mice on the normal protein diet. In contrast, mice refed high protein diet showed reduced antifungal activity in these organs. The present results imply that protein restriction without malnutrition could be beneficial to host resistance to pathogeni fungi, but high protein intake impairs host resistance.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (10 results)

All 2012 2011 2010 2009

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Book (2 results)

  • [Journal Article] Refeeding with a high-protein diet after a 48h fast causes acute hepatocellular injury in mice2012

    • Author(s)
      Oarada M, Tsuzuki T, Nikawa T, et al
    • Journal Title

      Brit J Nutr

      Volume: 107 Pages: 1435-1444

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Refeeding with a high-protein diet after a 48 h fast causes acute hepatocellular injury in mice2011

    • Author(s)
      Motoko Oarada
    • Journal Title

      British Journal of Nutrition

      Volume: 107 Issue: 10 Pages: 1435-1444

    • DOI

      10.1017/s0007114511004521

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effects of a high-protein diet on host resistance to Paracoccidioides brasiliensis in mice2010

    • Author(s)
      Oarada M, Igarashi M, Tsuzuki T, Kamei K, et al
    • Journal Title

      Biosci Biotechnol Biochem

      Volume: 74 Pages: 620-626

    • Related Report
      2011 Final Research Report 2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effects of a high-protein diet on host resistance to Paracoccidioides brasiliensis in mice2010

    • Author(s)
      Motoko Oarada
    • Journal Title

      Biosci Biotechnol Biochem 74(3)

      Pages: 620-626

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Effect of dietary oil on host resistance to fungal infection in psychologically stressed mice2009

    • Author(s)
      Oarada M, Igarashi M, Tsuzuki T, et al
    • Journal Title

      Biosci Biotechnol Biochem

      Volume: 73 Pages: 1994-1998

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Beneficial effects of a low-protein diet on host resistance to Paracoccidioides brasiliensis in mice2009

    • Author(s)
      Oarada M, Kamei K, Gonoi T, et al
    • Journal Title

      Nutrition

      Volume: 25 Pages: 956-63

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Effects of dietary oils on host resistance to fungal infection in psychologically stressed mice2009

    • Author(s)
      Motoko Oarada
    • Journal Title

      Biosci Biotechnol Biochem 73(9)

      Pages: 1994-1998

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Beneficial effects of a low-protein diet on host resistance to Paracoccidioides brasiliensis in mice2009

    • Author(s)
      Motoko Oarada
    • Journal Title

      Nutrition 25(9)

      Pages: 954-963

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Book] 食品の機能化学,アイ・ケイ・コーポレーション2010

    • Author(s)
      大荒田素子
    • Related Report
      2011 Final Research Report
  • [Book] 食品の機能化学2010

    • Author(s)
      大荒田素子(分担)
    • Publisher
      アイ・ケイコーポレーション
    • Related Report
      2010 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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