1. A dimeric urea of the bisabolene sesquiterpene from the Okinawan marine sponge Axinyssa sp. inhibits protein tyrosine phosphatase 1B activity in Huh-7 human hepatoma cells. Issue 2 (15th January 2016) Authors: Abdjul, Delfly B.; Kanno, Syu-ichi; Yamazaki, Hiroyuki; Ukai, Kazuyo; Namikoshi, Michio Journal: Bioorganic & medicinal chemistry letters Issue: Volume 26:Issue 2(2016) Page Start: 315 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. A tetramic acid derivative with protein tyrosine phosphatase 1B inhibitory activity and a new nortriterpene glycoside from the Indonesian marine sponge Petrosia sp. Issue 4 (15th February 2017) Authors: Maarisit, Wilmar; Yamazaki, Hiroyuki; Kanno, Syu-ichi; Tomizawa, Ayako; Rotinsulu, Henki; Wewengkang, Defny S.; Sumilat, Deiske A.; Ukai, Kazuyo; Kapojos, Magie M.; Namikoshi, Michio Journal: Bioorganic & medicinal chemistry letters Issue: Volume 27:Issue 4(2017) Page Start: 999 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Absolute structures and bioactivities of euryspongins and eurydiene obtained from the marine sponge Euryspongia sp. collected at Iriomote Island. Issue 4 (15th February 2015) Authors: Yamazaki, Hiroyuki; Takahashi, Ohgi; Kanno, Syu-ichi; Nakazawa, Takahiro; Takahashi, Shiori; Ukai, Kazuyo; Sumilat, Deiske A.; Ishikawa, Masaaki; Namikoshi, Michio Journal: Bioorganic & medicinal chemistry Issue: Volume 23:Issue 4(2015) Page Start: 797 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Anti-mycobacterial alkaloids, cyclic 3-alkyl pyridinium dimers, from the Indonesian marine sponge Haliclona sp. Issue 15 (1st August 2017) Authors: Maarisit, Wilmar; Abdjul, Delfly B.; Yamazaki, Hiroyuki; Kato, Hajime; Rotinsulu, Henki; Wewengkang, Defny S.; Sumilat, Deiske A.; Kapojos, Magie M.; Ukai, Kazuyo; Namikoshi, Michio Journal: Bioorganic & medicinal chemistry letters Issue: Volume 27:Issue 15(2017) Page Start: 3503 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Asperdichrome, an unusual dimer of tetrahydroxanthone through an ether bond, with protein tyrosine phosphatase 1B inhibitory activity, from the Okinawan freshwater Aspergillus sp. TPU1343. Issue 7 (17th February 2016) Authors: Yamazaki, Hiroyuki; Ukai, Kazuyo; Namikoshi, Michio Journal: Tetrahedron letters Issue: Volume 57:Issue 7(2016) Page Start: 732 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. ChemInform Abstract: Asperdichrome, an Unusual Dimer of Tetrahydroxanthone Through an Ether Bond, with Protein Tyrosine Phosphatase 1B Inhibitory Activity, from the Okinawan Freshwater Aspergillus sp. TPU1343. Issue 23 (May 2016) Authors: Yamazaki, Hiroyuki; Ukai, Kazuyo; Namikoshi, Michio Journal: ChemInform Issue: Volume 47:Issue 23(2016) Page Start: no Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. ChemInform Abstract: Euryspongins A—C, Three New Unique Sesquiterpenes from a Marine Sponge Euryspongia sp. Issue 31 (11th July 2013) Authors: Yamazaki, Hiroyuki; Nakazawa, Takahiro; Sumilat, Deiske A.; Takahashi, Ohgi; Ukai, Kazuyo; Takahashi, Shiori; Namikoshi, Michio Journal: ChemInform Issue: Volume 44:Issue 31(2013) Page Start: no Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. ChemInform Abstract: Isopetrosynol, a New Protein Tyrosine Phosphatase 1B Inhibitor, from the Marine Sponge Halichondria cf. panicea Collected at Iriomote Island. Issue 45 (October 2016) Authors: Abdjul, Delfly Booby; Yamazaki, Hiroyuki; Takahashi, Ohgi; Kirikoshi, Ryota; Ukai, Kazuyo; Namikoshi, Michio Journal: ChemInform Issue: Volume 47:Issue 45(2016) Page Start: no Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. ChemInform Abstract: Strongylophorines, New Protein Tyrosine Phosphatase 1B Inhibitors, from the Marine Sponge Strongylophora strongilata Collected at Iriomote Island. Issue 1 (17th December 2015) Authors: Lee, Jong‐Soo; Abdjul, Delfly B.; Yamazaki, Hiroyuki; Takahashi, Ohgi; Kirikoshi, Ryota; Ukai, Kazuyo; Namikoshi, Michio Journal: ChemInform Issue: Volume 47:Issue 1(2016) Page Start: no Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Furanoterpenes, new types of protein tyrosine phosphatase 1B inhibitors, from two Indonesian marine sponges, Ircinia and Spongia spp. Issue 5 (1st March 2017) Authors: Abdjul, Delfly B.; Yamazaki, Hiroyuki; Kanno, Syu-ichi; Wewengkang, Defny S.; Rotinsulu, Henki; Sumilat, Deiske A.; Ukai, Kazuyo; Kapojos, Magie M.; Namikoshi, Michio Journal: Bioorganic & medicinal chemistry letters Issue: Volume 27:Issue 5(2017) Page Start: 1159 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗