Kiyotaka Koyama

Kiyose, Japan

Last Updated: 09/26/2026

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Found 30 publications

Meroterpenoids from the fruiting body of Albatrellus dispansus with inhibitory activities against Candida albicans budded-to-hyphal-form transition and biofilm formation.

Meroterpenoids from the fruiting body of Albatrellus dispansus with inhibitory activities against Candida albicans budded-to-hyphal-form transition and biofilm formation.

Journal: Journal of natural medicines

Published: December 04, 2025

Meroterpenoids with BACE1-inhibitory activity from the fruiting bodies of Suillus bovinus and Boletinus cavipes.

Meroterpenoids with BACE1-inhibitory activity from the fruiting bodies of Suillus bovinus and Boletinus cavipes.

Journal: Journal of natural medicines

Published: October 03, 2024

Inhibition of amyloid β aggregation and BACE1, and protective effect on SH-SY5Y cells, by p-terphenyl compounds from mushroom Thelephora aurantiotincta.

Inhibition of amyloid β aggregation and BACE1, and protective effect on SH-SY5Y cells, by p-terphenyl compounds from mushroom Thelephora aurantiotincta.

Journal: Journal of natural medicines

Published: September 10, 2024

Photoreaction products of extract from the fruiting bodies of Polyozellus multiplex.

Photoreaction products of extract from the fruiting bodies of Polyozellus multiplex.

Journal: Journal of natural medicines

Published: January 21, 2024

Correction: Inhibition of Aβ aggregation by naphtho-γ-pyrone derivatives from a marine-derived fungus, Aspergillus sp. MPUC239.

Correction: Inhibition of Aβ aggregation by naphtho-γ-pyrone derivatives from a marine-derived fungus, Aspergillus sp. MPUC239.

Journal: Journal of natural medicines

Published: May 11, 2023

Inhibition of Aβ aggregation by naphtho-γ-pyrone derivatives from a marine-derived fungus, Aspergillus sp. MPUC239.

Inhibition of Aβ aggregation by naphtho-γ-pyrone derivatives from a marine-derived fungus, Aspergillus sp. MPUC239.

Journal: Journal of natural medicines

Published: January 06, 2023

Enniatins from a marine-derived fungus Fusarium sp. inhibit biofilm formation by the pathogenic fungus Candida albicans.

Enniatins from a marine-derived fungus Fusarium sp. inhibit biofilm formation by the pathogenic fungus Candida albicans.

Journal: Journal of natural medicines

Published: July 15, 2022

Inhibition of BACE1 and Amyloid-β Aggregation by Meroterpenoids from the Mushroom Albatrellus yasudae.

Inhibition of BACE1 and Amyloid-β Aggregation by Meroterpenoids from the Mushroom Albatrellus yasudae.

Journal: Journal of natural products

Published: June 08, 2021

Amyloid β aggregation inhibitory activity of triterpene saponins from the cactus Stenocereus pruinosus.

Amyloid β aggregation inhibitory activity of triterpene saponins from the cactus Stenocereus pruinosus.

Journal: Journal of natural medicines

Published: September 18, 2020

Isolation of three new meroterpenoids and seven known compounds from Albatrellus yasudae and their Aβ-aggregation inhibitory activity.

Isolation of three new meroterpenoids and seven known compounds from Albatrellus yasudae and their Aβ-aggregation inhibitory activity.

Journal: Bioorganic & medicinal chemistry letters

Published: August 17, 2019

Meroterpenoids with BACE1 Inhibitory Activity from the Fruiting Body of Boletinus asiaticus.

Meroterpenoids with BACE1 Inhibitory Activity from the Fruiting Body of Boletinus asiaticus.

Journal: Journal of natural products

Published: June 28, 2019

Naturally occurring biflavonoids with amyloid β aggregation inhibitory activity for development of anti-Alzheimer agents.

Naturally occurring biflavonoids with amyloid β aggregation inhibitory activity for development of anti-Alzheimer agents.

Journal: Bioorganic & medicinal chemistry letters

Published: March 14, 2019

Showing 1-12 of 30

Last Updated: 09/26/2026