荒井 堅太

Arai Kenta

  • 准教授
  • 学位:博士(理学)

基本情報

所属

  • Undergraduate School of Science / Department of Chemistry
  • Graduate School of Science and Technology / Course of Science and Technology
  • Graduate School of Science / Course of Chemistry

ジャンル

  • Chemistry

研究と関連するSDGs

  • Responsible Consumption and Production

詳細情報

研究キーワード

  • Protein folding
  • Enzyme model
  • Neurodegenerative diseases
  • Peptide synthesis
  • Flow chemistry

研究分野

  • Life sciences Bioorganic chemistry

受賞

  • TU Science Award 2020
  • SeS redox & catalysis Bentham Current Green Chemistry Award for an excellent poster presentation

論文

Ca2+-triggered allosteric catalysts crosstalk with cellular redox systems through their foldase- and reductase-like activities

ER Oxidoreductin 1‐Like Activity of Cyclic Diselenides Drives Protein Disulfide Isomerase in an Electron Relay System

Seleno-relaxin analogues: effect of internal and external diselenide bonds on the foldability and a fibrosis-related factor of endometriotic stromal cells.

Boosting the enzymatic activity of CxxC motif-containing PDI family members.

Diselenide-bond replacement of the external disulfide bond of insulin increases its oligomerization leading to sustained activity

Resin-supported cyclic telluride as a heterogeneous promoter of disulfide formation under solid–liquid biphasic conditions

Semi-enzymatic acceleration of oxidative protein folding by N-methylated heteroaromatic thiols

Small Organoselenium Catalysts as a Potential Manipulator for Redox Homeostasis and Proteostasis

Modeling Type‐1 Iodothyronine Deiodinase with Peptide‐Based Aliphatic Diselenides: Potential Role of Highly Conserved His and Cys Residues as a General Acid Catalyst

Redox Chemistry of Selenols and Diselenides as Potential Manipulators for Structural Maturation of Peptides and Proteins

S ‐Denitrosylase‐Like Activity of Cyclic Diselenides Conjugated with Xaa‐His Dipeptide: Role of Proline Spacer as a Key Activity Booster

Abnormal Enhancement of Protein Disulfide Isomerase-like Activity of a Cyclic Diselenide Conjugated with a Basic Amino Acid by Inserting a Glycine Spacer

Flexible Folding: Disulfide-Containing Peptides and Proteins Choose the Pathway Depending on the Environments

Glutathione peroxidase-like functions of 1,2-diselenane-4,5-diol and its amphiphilic derivatives: Switchable catalytic cycles depending on peroxide substrates

Relaxin-2 May Suppress Endometriosis by Reducing Fibrosis, Scar Formation, and Inflammation

Basic Amino Acid Conjugates of 1,2-Diselenan-4-amine with Protein Disulfide Isomerase-like Functions as a Manipulator of Protein Quality Control

Cover Feature: Modeling Thioredoxin Reductase‐Like Activity with Cyclic Selenenyl Sulfides: Participation of an NH???Se Hydrogen Bond through Stabilization of the Mixed Se?S Intermediate (Chem. Eur. J. 55/2019)

Modeling Thioredoxin Reductase-Like Activity with Cyclic Selenenyl Sulfides: Participation of an NH...Se Hydrogen Bond through Stabilization of the Mixed Se-S Intermediate

Cyclic telluride reagents with remarkable glutathione peroxidase-like activity for purification-free synthesis of highly pure organodisulfides

Coupling effects of thiol and urea-type groups for promotion of oxidative protein folding

書籍等出版物

  • Chalcogen Chemistry: Fundamentals and Applications
  • Functional Disulfide Bonds
  • Organoselenium Compounds in Biology and Medicine: Synthesis, Biological and Therapeutic Treatments

講演?口頭発表等

  • Bio-redox regulation by small molecular diselenide and selenenyl sulfide compounds
  • Structural Control of Proteins by Utilizing Selenium Chemistry
  • Allosteric selenopeptides as a model of selenoenzymes
  • Aliphatic Diselenides as a Potential Manipulator for Proteostasis
  • Structural Control of Proteins by Utilizing Selenium Chemistry
  • Synthesis and applications of water-soluble organochalcogen compounds as an oxidoreductase mimic
  • Bio-redox regulation by small molecular diselenide and selenenyl sulfide compounds
  • Electrochemical Flow Synthesis Based on One-Electron Oxidation
  • Cyclic Selenium Compounds: A New Class of Oxidative Folding Reagent
  • Organoselenium compounds: A new class of an oxidative folding reagent
  • [17] Modeling of ER-resident oxidoreductases by using a small molecule with tetrahydroselenophene skeleton.

共同研究?競争的資金等の研究課題

Development and pharmacological investigation of novel diselenide compounds as a medicine for folding diseases

Development of an effective folding procedure for SS-containing proteins by using a micro flow chemistry

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