Phenolic compounds from Gastrodia rhizome and relaxant effects of related compounds on isolated smooth muscle preparation

Inhibitory effect of mitragynine, an alkaloid with analgesic effect from thai medicinal plant Mitragyna speciosa, on electrically stimulated contraction of isolated guinea-pig ileum through the opioid receptor

Kazuo Watanabe, Shingo Yano, Syunji Horie et al. · Life Sciences · 1997 · 122 citations

Medicine, Medicinal Chemistry, Pharmacology +14

Studies on the constituents of Gastrodia elata Blume.

HEIHACHIRO TAGUCHI, Itiro Yosioka, Kazuo Yamasaki et al. · Chemical and Pharmaceutical Bulletin · 1981 · 122 citations · Full text

Life Sciences, Botany, Plant Sciences +11

Opioid receptor agonistic characteristics of mitragynine pseudoindoxyl in comparison with mitragynine derived from Thai medicinal plant Mitragyna speciosa

Leonardo T. Yamamoto, Syunji Horie, Hiromitsu Takayama et al. · General Pharmacology The Vascular System · 1999 · 117 citations

Medicine, Medicinal Chemistry, Pharmacology +14

Effects of hirsutine, an antihypertensive indole alkaloid from Uncaria rhynchophylla, on intracellular calcium in rat thoracic aorta

Syunji Horie, Shingo Yano, Norio Aimi et al. · Life Sciences · 1992 · 90 citations

Medicine, Botany, Pharmacology +14

Ca²⁺Channel Blocking Effects of Hirsutine, an Indole Alkaloid from<i>Uncaria</i>Genus, in the Isolated Rat Aorta

Shingo Yano, Hideki Horiuchi, Syunji Horie et al. · Planta Medica · 1991 · 65 citations

Medicine, Pharmacology, Physiology +13