201) Soung D.Y., Chung H.Y., Yokozawa T.: A Novel Action of 5-Hydroxytryptamine as a Peroxynitrite Scavenger. Pharm. Pharmacol. Commun., 4, 583-586 (1998).
202) Yokozawa T., Owada S.: Effect of Ginsenoside-Rd in Cephaloridine-Induced Renal Disorder. Nephron, 81, 200-207 (1999).
203) Yokozawa T., Dong E., Kawai Y., Gemba M., Shimizu M.: Protective effects of some flavonoids on the renal cellular membrane. Exp. Toxic. Pathol., 51, 9-14 (1999).
204) Yokozawa T., Liu Z.W., Chen C.P., Tanaka T.: Evaluation of Caffeic Acid Analogues Using a Cultured Renal Epithelial Cell Line, LLC-PK1. Pharm. Pharmacol. Commun., 5, 365-370 (1999).
205) Yokozawa T., Lee K.I., Kashiwagi H., Cho E.J., Chung H.Y.: Antioxidant Activity of Herbal Teas Available on the Korean Market. J. Food Sci. Nutr., 4, 92-96 (1999).
206) Chen C.P., Yokozawa T., Chung H.Y.: Inhibitory effect of caffeic acid analogues isolated from Salviae Miltiorrhizae Radix against 1,1-diphenyl-2-picrylhydrazyl radical. Exp. Toxic. Pathol., 51, 59-63 (1999).
207) Kye I.S., Jeon Y.S., No J.K., Kim Y.J., Lee K.H., Shim K.H., Kim J., Yokozawa T., Chung H.Y.: Reactive Oxygen Scavenging Activity of Green Tea Polyphenols. Kor. J. Gerontol., 9, 10-17 (1999).
208) Kye I.S., Jeon Y.S., Soung D.Y., Rhee S.H., Kim J., Yokozawa T., Chung H.Y., Lee K.H.: Cytoprotective Mechanisms of Green Tea Polyphenols in Cultured Liver Cells. J. Kor. Assoc. Cancer Prev., 4, 9-16 (1999).
209) Chen C.P., Yokozawa T., Tanaka T.: Protective effect of Sanguisorbae Radix against apoptosis and function of renal tissues subjected to ischemia-reperfusion. J. Trad. Med., 16, 97-101 (1999).
210) Yokozawa T., Kim D.W., Hattori M., Kaji T.: Effect of Luobuma leaves against oxidation of low-density lipoprotein: a cell culture assay. J. Trad. Med., 16, 141-147 (1999).
211) No J.K., Soung D.Y., Kim Y.J., Shim K.H., Jun Y.S., Rhee S.H., Yokozawa T., Chung H.Y.: Inhibition of Tyrosinase by Green Tea Components. Life Sci., 65, PL241-PL246 (1999).
212) Yokozawa T., Nakagawa T., Lee K.I., Cho E.J., Terasawa K., Takeuchi S.: Effects of Green Tea Tannin on Cisplatin-induced Nephropathy in LLC-PK1 Cells and Rats. J. Pharm. Pharmacol., 51, 1325-1331 (1999).
213) Yokozawa T., Lee K.I., Nakagawa T., Cho E.J., Chung H.Y.: Protective Effect of Pine Leaf against Peroxynitrite-mediated Renal Epithelial Cell Injury. Pharm. Pharmacol. Commun., 5, 657-661 (1999).
214) Yokozawa T., Wang T.S., Chen C.P., Hattori M.: Tinospora tuberculata Suppresses Nitric Oxide Synthesis in Mouse Macrophages. Biol. Pharm. Bull., 22, 1306-1309 (1999).
215) Chen C.P., Yokozawa T., Kitani K.: Beneficial Effects of Sanguisorbae Radix in Renal Dysfunction Caused by Endotoxin in Vivo. Biol. Pharm. Bull., 22, 1327-1330 (1999).
216) Yokozawa T., Chung H.Y., Kim D.W., Goto H.: Involvement of superoxide and/or nitric oxide in renal tissue injury. Exp. Toxic. Pathol., 51, 517-521 (1999).
217) 三潴忠道, 横澤隆子, 大浦彦吉, 寺澤捷年, 成田光陽: 慢性腎不全の進行に対する温脾湯を中心とした漢方治療の臨床評価. 日本腎臓学会誌, 41, 769-777 (1999).
218) Yokozawa T., Liu Z.W., Chen C.P.: Protective effects of Glycyrrhizae Radix extract and its compounds in a renal hypoxia (ischemia)-reoxygenation (reperfusion) model. Phytomedicine, 6, 439-445 (1999).
219) Yokozawa T., Chen C.P., Tanaka T.: Direct scavenging of nitric oxide by traditional crude drugs. Phytomedicine, 6, 453-463 (1999).
220) Yokozawa T., Sekiya M., Rhyu D.Y., Hattori M,, Chung H.Y.: Radical-scavenging activity of Wen-Pi-Tang and its component crude drugs: with special reference to the effects on nitric oxide, superoxide and peroxynitrite. J. Trad. Med., 17, 41-47 (2000).
221) Yokozawa T., Wang T.S., Chen C.P., Hattori M.: Inhibition of Nitric Oxide Release by an Aqueous Extract of Tinospora tuberculata. Phytother. Res., 14, 51-53 (2000).
222) Yokozawa T., Chen C.P.: Role of Salviae Miltiorrhizae Radix extract and its compounds in enhancing nitric oxide expression. Phytomedicine, 7, 55-61 (2000).
223) Yokozawa T., Chen C.P., Kitani K.: Chiyu extract stimulates antioxidant defense ability in senescence-accelerated mice. J. Trad. Med., 17, 73-79 (2000).
224) Yokozawa T., Liu Z.W.: The Role of Ginsenoside-Rd in Cisplatin-Induced Acute Renal Failure. Renal Failure, 22, 115-127 (2000).
225) Yokozawa T., Chen C.P., Tanaka T., Kitani K.: A Study on the Nitric Oxide Production-Suppressing Activity of Sanguisorbae Radix Components. Biol. Pharm. Bull., 23, 717-722 (2000).
226) Yokozawa T., Dong E., Chen C.P.: Protection of the kidney by Wen-Pi-Tang against ischemia-reperfusion injury. Phytomedicine, 7, 185-189 (2000).
227) Chung H.Y., Yokozawa T., Kim M.S., Lee K.H., Kim K.W., Yang R., Choi J.H.: The mechanism of nitric oxide and/or superoxide cytotoxicity in endothelial cells. Exp. Toxic. Pathol., 52, 227-233 (2000).
228) Kim D.W., Yokozawa T., Hattori M., Kadota S., Namba T.: Effects of aqueous extracts of Apocynum venetum leaves on spontaneously hypertensive, renal hypertensive and NaCl-fed-hypertensive rats. J. Ethnopharmacol., 72, 53-59 (2000).
229) Song Q.H., Toriizuka K., Iijima K., Yabe T., Yokozawa T., Cyong J.C.: Effects of Hokoei-to (Pu-gong-ying-tang), Kampo formulae, on estradiol and progesterone contents in brain regions and serum in ovariectomized mice. J. Trad. Med., 17, 180-185 (2000).
230) Kim D.W., Yokozawa T., Hattori M., Kadota S., Namba T.: Inhibitory Effects of an Aqueous Extract of Apocynum venetum Leaves and its Constituents on Cu2+-induced Oxidative Modification of Low Density Lipoprotein. Phytother. Res., 14, 501-504 (2000).
231) Cho E.J., Yokozawa T., Rhyu D.Y., Mitsuma T., Terasawa K., Park J.C.: Protective activity from hydrophilic and lipophilic free radical generators of Wen-Pi-Tang and its crude drug extracts in LLC-PK1 cells. J. Trad. Med., 17, 245-252 (2000).
232) Yokozawa T., Cho E.J., Nakagawa T., Terasawa K., Takeuchi S.: Inhibitory Effect of Green Tea Tannin on Free Radical-induced Injury to the Renal Epithelial Cell Line, LLC-PK1. Pharm. Pharmacol. Commun., 6, 521-526 (2000).
233) Yokozawa T., Cho E.J., Hara Y., Kitani K.: Antioxidative Activity of Green Tea Treated with Radical Initiator 2,2′-Azobis(2-amidinopropane) Dihydrochloride. J. Agric. Food Chem., 48, 5068-5073 (2000).
234) Choi J.S., Chung H.Y., Jung H.A., Park H.J., Yokozawa T.: Comparative Evaluation of Antioxidant Potential of Alaternin (=2-Hydroxyemodin) and Emodin. J. Agric. Food Chem., 48, 6347-6351 (2000).
235) Choi J.S., Kim J.E., Kim J.I., Cheigh H.S., Yokozawa T.: A Flavonol Diglucoside from the Leaves of Brassica juncea. Nat. Product Sci., 6, 199-200 (2000).
236) Yokozawa T., Fujii H., Kosuna K., Nonaka G.: Effects of Buckwheat in a Renal Ischemia-Reperfusion Model. Biosci. Biotechnol. Biochem., 65, 396-400 (2001).
237) Chen C.P., Yokozawa T., Sekiya M., Hattori M., Tanaka T.: Protective effect of Sanguisorbae Radix against peroxynitrite-mediated renal injury. J. Trad. Med., 18, 1-7 (2001).
238) Yokozawa T., Chen C.P., Hattori M.: Confirmation that Luobuma ameliorates the deterioration of antioxidant defense in senescence-accelerated mice. J. Trad. Med., 18, 27-32 (2001).
239) Yokozawa T., Nakagawa T., Terasawa K.: Effects of Oriental medicines on the production of advanced glycation endproducts. J. Trad. Med., 18, 107-112 (2001).
240) Huh J.I., Kim H.J., Kim J.W., Shim K.H., Kim Y.J., Lee K.H., Yokozawa T., Yu B.P., Chung H.Y.: Influence of Aging and Dietary Restriction on Renal Nitric Oxide Synthase. Kor. J. Gerontol., 11, 28-33 (2001).
241) Yokozawa T., Rhyu D.Y., Owada S.: Increase of radical in rats with adenine-induced renal failure is suppressed by Wen-Pi-Tang. J. Trad. Med., 18, 147-153 (2001).
242) Nakagawa T., Yokozawa T., Terasawa K.: A study of Kampo medicines in a diabetic nephropathy model. J. Trad. Med., 18, 161-168 (2001).
243) Yokozawa T., Tanaka T., Kimura T.: Examination of the Nitric Oxide Production-Suppressing Component in Tinospora tuberculata. Biol. Pharm. Bull., 24, 1153-1156 (2001).
244) Hur J.M., Park S.J., Park J.G., Hwang Y.H., Park J.C., Yokozawa T., Kim M.S.: Flavonoids from the Leaves of Glycine max Showing Anti-lipid Peroxidative Effect. Nat. Product Sci., 7, 49-52 (2001).
245) Yokozawa T., Nakagawa T., Wakaki K., Koizumi F.: Animal model of diabetic nephropathy. Exp. Toxic. Pathol., 53, 359-364 (2001).
246) Yokozawa T., Dong E.: Role of Ginsenoside-Rd in Cisplatin-Induced Renal Injury: Special Reference to DNA Fragmentation. Nephron, 89, 433-438 (2001).
247) Song Q.H., Toriizuka K., Iijima K., Yabe T., Yokozawa T., Cyong J.C.: Effects of Hokoei-to (Pugongying-Tang), a Kampo Formula, on Monoamine Content in Brain Regions and Mitogenic Activity of Splenic Lymphocytes in Ovariectomized Mice. Am. J. Chin. Med., 29, 433-443 (2001).
248) Kim J.W., No J.K., Ikeno Y., Yu B.P., Choi J.S., Yokozawa T., Chung H.Y.: Age-related changes in redox status of rat serum. Arch. Gerontol. Geriatr., 34, 9-17 (2002).
249) Yokozawa T., Chen C.P., Tanaka T., Kitani K.: Effects of sanguiin H-6, a component of Sanguisorbae Radix, on lipopolysaccharide-stimulated nitric oxide production. Biochem. Pharmacol., 63, 853-858 (2002).
250) Nakagawa T., Yokozawa T., Terasawa K., Shu S., Juneja L.R.: Protective Activity of Green Tea against Free Radical- and Glucose-Mediated Protein Damage. J. Agric. Food Chem., 50, 2418-2422 (2002).