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Biologically Functional Peptides Derived form Food Proteins

Research Project

Project/Area Number 61430024
Research Category

Grant-in-Aid for General Scientific Research (A)

Allocation TypeSingle-year Grants
Research Field 製造化学・食品
Research InstitutionKyoto University

Principal Investigator

CHIBA Hideo  Dept. of Food Sci. and Technol., Faculty of Agric., Kyoto University, 農学部, 教授 (40026521)

Co-Investigator(Kenkyū-buntansha) IKURA Koji  Dept. of Food Sci. and Technol., Faculty of Agric. Kyoto University, 農学部, 助手 (00101246)
YOSHIKAWA Masaaki  Dept. of Food Sci. and Technol., Faculty of Agric. Kyoto University, 農学部, 助手 (50026572)
SASAKI Ryuzo  Dept. of Food Sci. and Technol., Faculty of Agric. Kyoto University, 農学部, 助教授 (60077378)
Project Period (FY) 1986 – 1987
Project Status Completed (Fiscal Year 1987)
Budget Amount *help
¥24,000,000 (Direct Cost: ¥24,000,000)
Fiscal Year 1987: ¥5,000,000 (Direct Cost: ¥5,000,000)
Fiscal Year 1986: ¥19,000,000 (Direct Cost: ¥19,000,000)
KeywordsFood Protein / Biologically Functional Peptide / Opioid Peptide / Opioid Antagonist / ファゴサイトシス活性化ペプチド / 免疫系賦活ペプチド
Research Abstract

In order to clarify structures and functions of biologically active peptides derived from food proteins, opioid poptides and immunostimulating peptides were chosen as research targets. Opioid antagonist peptides were isolated from peptic digests of bovine <kappa>-casein (Ser-Arg-Tyr-Pro-Ser-Tyr-OCH_3) and human lactoferrin (Tyr-Leu-Gly-Ser-Gly-Tyr-OCH_3, Arg-Tyr-Tyr-Gly-Tyr-OCH_3 and Lys-Tyr-Leu-Gly-Pro-Gln-Tyr-OCH_3). These opioid antagonist peptides can be expressed as a following general formula, Xa-Tyr-Xb-Tyr-Xc, in which 1) Xa are neutral or basic residues, 2) Tyr near the amino terminus can be replaced by Phe or Trp, 3) Tyr near the carboxyl terminus is essential, 4) Xb are 1 to 4 netral residues, 5) as for Xc, OCH_3 is preferable to OH. From these results, we speculate that these opioid antagonists bind retro-wise to receptors by directing the carboxyl terminal Tyr to binding site for the amino terminal Tyr of opioid agonist peptide.
Based on the primary structures of human and bovine <Kappa>-caseins,Asn-Ser-Tyr-Pro-tyr-Tyr and Leu-Pro-Tyr-Pro-Tyr-Tyr were synthesized. These peptides showed opioid antagonist activities without being esterified.
As a model experiment to introduce biologically active peptide sequence by site directed mutagenesis in the future, fragment peptide of bovine <beta>-casein of which Gly^<203> was converted to Tyr was synthesized. Opioid agonist peptides, Tyr-Pro-Phe-Pro-Ile and Tyr-Pro-Phe-Pro-Ile-Ile, and opioid antagonist peptide, Tyr-Pro-Phe-Pro-Ile-Ile-Val, were obtained form this approach.
Peptide sequences homologous to phagocytosis stimulating peptides, Tuftsin (Thr-Lys-Pro-Arg) and Rigin (Gly-Gln-Pro-Arg), Were searched for in the primary structures of food proteins and and the homologous peptides were synthesized. A fragment peptide of soybean glycinin B_<la> subunit, Gln-Arg-Pro-Arg, stimulated phagocytosis of macrophages.

Report

(2 results)
  • 1987 Final Research Report Summary
  • 1986 Annual Research Report
  • Research Products

    (13 results)

All Other

All Publications (13 results)

  • [Publications] Masaaki Yoshikawa,Fumito Tani,Takashi Yoshimuraf,Hideo Chiba: Agric. Biol. Chem.50. 2419-2421 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Masaaki Yoshikawa,Fumito Tani,Tadaaki Ashikaga,Takashi Yoshimura,Hideo Chiba: Agric. Biol. Chem.50. 2951-2954 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 千葉 英雄,吉川 正明: 化学と生物. 25. 396-405 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Masaaki Yoshikawaf,Fumito Tani,Hideo Chiba: Peptide Chemistry. (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Hideo Chiba and Masaaki Yoshikawa(eds. R.E. Feeney and J.R. Whitaker): "Biologically Functional Peptides from Food Proteins: New Opioid Peptides from Milk Proteins. in ″ProteinTailoring for Food and Medical Uses″" Marcel Dekker, Inc., 31(392) (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Masaaki Yoshikawa, Fumito Tani, Takashi Yoshimura and Hideo Chiba: "Opioid Peptides Form Milk Proteins" Agric. Biol. Chem.50. 2419-2421 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Masaaki Yoshikawa, Fumito Tani, Tadaaki Ashikaga, Takashi Yoshimura and Hideo Chiba: "Purification and Characterization of an Opioid Antagonist form Peptic Digest of Bovine <kappa>-Casein" Agric. Biol. Chem.50. 2951-2954 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Hiswo Chiba and Masaaki Yoshikawa: "Bio-reguratory Factor Derived form Foods" Kagaku to Seibutsu. 25. 396-405 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Masaaki Yoshikawa, Fumito Tani and Hideo Chiba: "Structure-Activity Relationship of Opioid Antagonist Petides Derived form Milk Proteins" Peptide Chemistry. (1988)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Hideo Chiba and Masaaki Yoshikawa (eds. R.E. Feeney and J,R. Whitaker): Biologically Functional Peptides form Food Porteins: New Opioid Peptides form Milk Proteins. in "Protein Tailoring for food and Medical Uses". Marcel Dekker, Inc., 31 (392) (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Masaaki Yoshikawa;Fumito Tani;Takashi Yoshimura;Hideo Chiba: Agric.Biol.Chem.50. 2419-2421 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] Masaaki Yoshikawa;Fumito Tani;Tadaaki Ashikaga;Takashi Yoshimura;Hideo Chiba: Agric.Biol.Chem.50. 2951-2954 (1986)

    • Related Report
      1986 Annual Research Report
  • [Publications] Hideo Chiba;Masaaki Yoshikawa eds.R.E.Feeney;J.R.Whitaker: "Biologically Functional Peptides from Food Proteins:New Opioid Peptides from Milk Proteins.in"Protein Tailoring for Food and Medical Uses"" Marcel Dekker,Inc., 31(392) (1986)

    • Related Report
      1986 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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