Naohito Takeda

Presence of tetrahydroisoquinoline and 2-methyl-tetrahydroquinoline in Parkinsonian and normal human brains

Toshimitsu Niwa, Naohito Takeda, Norio Kaneda et al. · Biochemical and Biophysical Research Communications · 1987 · 185 citations

Neurophysiology, Medicine, Neuropharmacology +10

Presence of 2-methyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline and 1,2-dimethyl-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline, novel endogenous amines, in parkinsonian and normal human brains

Toshimitsu Niwa, Naohito Takeda, Hideo Yoshizumi et al. · Biochemical and Biophysical Research Communications · 1991 · 96 citations

Medicine, Neuropharmacology, Neurochemical Biomarkers +7

RNA metabolism in uremic patients: Accumulation of modified ribonucleosides in uremic serum

Toshimitsu Niwa, Naohito Takeda, Hideo Yoshizumi · Kidney International · 1998 · 78 citations

Urology, Rna Metabolism, Renal Function +10

Novel Nitric Oxide and Superoxide Generation Inhibitors, Persenone A and B, from Avocado Fruit

Oe Kyung Kim, Akira Murakami, Yoshimasa Nakamura et al. · Journal of Agricultural and Food Chemistry · 2000 · 68 citations

Elevated Serum Levels of 3-Deoxyglucosone, a Potent Protein-Cross-Linking Intermediate of the Maillard Reaction, in Uremic Patients

Toshimitsu Niwa, Naohito Takeda, Takashi Miyazaki et al. · ˜The œNephron journals/Nephron journals · 1995 · 52 citations

Healthy Subjects, Glycobiology, Maillard Reaction +16