Yoko Koyama

Angiotensin AT ₁ and AT ₂ Receptors Differentially Regulate Angiopoietin-2 and Vascular Endothelial Growth Factor Expression and Angiogenesis by Modulating Heparin Binding–Epidermal Growth Factor (EGF)–Mediated EGF Receptor Transactivation

Soichiro Fujiyama, Hiroaki Matsubara, Yoshihisa Nozawa et al. · Circulation Research · 2001 · 204 citations

Medicine, Cell Biology, Pharmacology +15

Demonstration of Antigenic and Genotypic Variation in <i>Orientia tsutsugamushi</i> Which Were Isolated in Japan, and Their Classification into Type and Subtype

Norio Ohashi, Yoko Koyama, Hiroshi Urakami et al. · Microbiology and Immunology · 1996 · 87 citations

Life Sciences, Genetics, Molecular Genetics +16

Metabolism of purine bases, nucleosides and alkaloids in theobromine-forming Theobroma cacao leaves

Yoko Koyama, Yoshihisa Tomoda, Misako Kato et al. · Plant Physiology and Biochemistry · 2003 · 60 citations

Life Sciences, Botany, Plant Sciences +10

Biosynthesis, accumulation and degradation of theobromine in developing Theobroma cacao fruits

Xin‐Qiang Zheng, Yoko Koyama, Chifumi Nagai et al. · Journal of Plant Physiology · 2004 · 57 citations

Agriculture, Plant Biology, Plant Sciences +11

Characterization of PAP1-upregulated Glutathione S-transferase genes in Arabidopsis thaliana

Bunyapa Wangwattana, Yoko Koyama, Yasutaka Nishiyama et al. · Plant Biotechnology · 2008 · 29 citations · Full text

Life Sciences, Plant Biology, Plant Sciences +17