主な業績
（過去５カ年、紙上発表）：
-Sakurai S, Suzuki H, Yoshizawa Y.Functional evidence that Tyr-17,-18,-225 and -232 residues of staphylococcal exfoliative toxin A are essential for its toxicity. Microbiol Immunol (in press).
-Tokiwa T, Yamazaki T, Enosawa S. Side population cells from an immortalized human liver epithelial cell line exhibit stem-like cell properties. Cell Medicine (in press).
-常盤孝義。 エクスプラント培養法によるヒト組織からの細胞分離。Organ Biology 17:275-281 (2010).
-Yamazaki T, Enosawa S, Kasahara M, Fukuda A, Sakamoto S, Shigeta T, Nakazawa A, Tokiwa T. Isolation of hepatic progenitor cells from human liver with cirrhosis secondary to biliary atresia using EpCAM or Thy-1. Cell Medicine (in press).
-Yamazaki T, Tokiwa T. Isofraxidin, a coumarin component from Acanthopanax senticosus, inhibits matrix metalloproteinase-7 expression and cell invasion of human hepatoma cells. Biol Pharm Bull 33:1716-22 (2010).
-Sakurai S, Suzuki H, Yoshizawa Y. Positive regulatory protein for staphylococcal exfoliateve toxin. A gene expression in Staphyloccoccus aureus. Arch Kohno Clinic Med Res Inst 25: 1-7 (2009).
-Tokiwa T, Yamazaki T, Ono M, Enosawa S, Tsukiyama T. Cloning and characterization of liver progenitor cells from the scatter cell clusters in primary culture of porcine livers. Cell Transplant 17: 179-86 (2008).
-Yamazaki T, Enosawa S, Tokiwa T. Presence of side-population cells in an immortalized nontumorigenic human liver epithelial cell line. In Vitro Cell Dev Biol 44: 6-9 (2008).
-Yamazaki T, Shimosaka S, Sasaki H, Mastumura T, Tsukiyama T, Tokiwa T. (+)-Syringaresinol-du-O-B-D-glucoside, a phenolic compound from Acanthopanax senticosus Harms, suppresses prounflammatory mediators in SW982 human synovial sarcoma cells by inhibiting activating protein-1 and/or nuclear factor-kB activities. Toxicology In Vitro 21: 1530-1537 (2007).
-Sakurai S, Suzuki H, Hoshino S, Machida K, Tsukiyama T. New evidence that the Tyr-17,-18,-225 and -232 residues of staphylococcal exfoliative toxin A are essential for its toxicity. Arch Kohno Clinic Med Res Inst 23: 1-10 (2007).
-小林 豊、近藤邦彦、根本美代子、浅井葉子、渡辺 寛。入浴が中高齢患者の循環動態に与える影響（２）－循環動態の変化、疲労に影響を与える因子についての検討― 河医研研究年報 57: 13-16 (2007).
-Tokiwa T, Yamazaki T, Xin W, Sugae N, Noguchi M, Enosawa S, Tsukiyama T. Differentiation of an immortalized nontumorigenic human liver epithelial cell line as liver progenitor cells. Cell Biol Int 30: 992-8 (2006).
-山崎泰助、松村外志張、築山 節、常盤孝義。 エゾウコギ成分エレウテロサイドEの抗炎症作用と抑制メカニズム。 組織培養研究 25: 137-45 (2006).
-常盤孝義、山崎泰助、桜井 進。 (review) エゾウコギ成分エレウテロサイドEによる抗炎症作用とそのメカニズム。FFIジャーナル 211: 576-82 (2006).
-小林 豊、浅井葉子、宮入裕樹、渡辺 寛。入浴が中高齢患者の循環動態に与える影響（１）―入浴中の動作についての検討―河医研研究年報 56: 7-12 (2006).
(Edit : H23-6-1)