2024
1. Y. Hitora, M. Hokaguchi, Y. Sadahiro, T. Higaki, S. Tsukamoto. Machine learning accelerates screening of osteoclast differentiation inhibitors from natural products. J. Nat. Prod. 87 (10), 2393-2397 (2024). https://doi.org/10.1021/acs.jnatprod.4c00640
2. A. H. El-Desoky, Y. Hitora, Y. Nishime, Y. Sadahiro, T. Kawahara, S. Tsukamoto. A new linear peptide, higapeptin, isolated from the mud flat-derived fungus Acremonium persicinum inhibits mitochondrial energy metabolism. J. Nat. Med. 78 (3), 505-513 (2024). https://doi.org/10.1007/s11418-024-01784-4
3. Y. Hitora, A. H. El-Desoky, Y. Sadahiro, A. Sejiyama, A. Kinoshita, Y. Ise, E. D. Angkouw, R. E. P. Mangindaan, T. Higaki, S. Tsukamoto. Neopetromin, a cyclic tripeptide with a C−N cross-link, from the marine sponge Neopetrosia sp., that causes vacuole fragmentation in tobacco BY-2 cells. J. Nat. Prod. 87 (4), 1197-1202 (2004). https://doi.org/10.1021/acs.jnatprod.4c00158
4. Y. Sadahiro, S. Nishimura, Y. Hitora, S. Tsukamoto. Syrosingopine enhances 20S proteasome activity and degradation of α-synuclein. J. Nat. Prod. 87 (3), 554-559 (2024). https://doi.org/10.1021/acs.jnatprod.3c00661
2023
1. M. Yoshida, K. Sasaoka, K. Hano, Y. Sugiyama, Y. Hitora, T. Doi, S. Tsukamoto, H. Kigoshi. Synthesis and biological evaluation of siladenoserinol A analogs possessing a diastereomeric 6,8-dioxabicyclo[3.2.1]octane skeleton. Bull. Chem. Soc. Jpn. 96 (11), 1283-1297 (2023). https://doi.org/10.1246/bcsj.20230197
2. K. Honda, Y. Hitora, S. Tsukamoto. Akanthomins A–C, aphidicolin analogs from a fungus Akanthomyces sp., that inhibit cell cycle. Phytochemistry 216, 113885 (2023). https://doi.org/10.1016/j.phytochem.2023.113885
3. A. H. El-Desoky, K. Eguchi, I. Kagiyama, Y. Hitora, H. Kato, Y. Ise, F. Losung, R. E. P. Mangindaan, S. Tsukamoto. Aaptocarbamates A−G, chlorinated terpene carbamates with antiosteoclastogenic activities from the marine sponge Aaptos sp. Phytochemistry 216, 113872 (2023). https://doi.org/10.1016/j.phytochem.2023.113872
4. I. Kimura, Y. Hitora, Y. Sadahiro, T. Kawahara, A. H. El-Desoky, S. Tsukamoto. A monoacylglyceryltrimethylhomoserine, 21F121-A, containing a branched acyl group from Penicillium glaucoroseum. J. Nat. Med. 77 (4), 992-997 (2023). https://doi.org/10.1007/s11418-023-01735-5
5. J. Kuwazuru, M. A. Suico, K. Omachi, H. Kojima, M. Kamura, S. Kaseda, T. Kawahara, Y. Hitora, H. Kato, S. Tsukamoto, M. Wada, T. Asano, S. Kotani, S. Misumi, Y. Sannomiya, J. Horizono, Y. Koyama, A. Owaki, T. Shuto, H. Kai. Cyclosporin A derivative as therapeutic candidate for Alport syndrome by inducing mutant type IV collagen secretion. Kidney360 4 (7), 909-917 (2023). https://doi.org/10.34067/KID.0000000000000134
6. A. Yoshidome, J. Sakamoto, M. Kohara, S. Shiomi, M. Hokaguchi, Y. Hitora, M. Kitajima, S. Tsukamoto, H. Ishikawa. Divergent total syntheses of hetero-oligomeric iridoid glycosides. Org. Lett. 25 (2), 347-352 (2023). https://doi.org/10.1021/acs.orglett.2c03965
7. A. H. El-Desoky, T. Asano, Y. Maeyama, H. Kato, Y. Hitora, E. Goto, S. Kotani, M. Nakajima, S. Tsukamoto. Arteperoxides A–C, tris-normonoterpene–sesquiterpene conjugates with peroxide-bridges from Artemisia judaica exhibiting antiosteoclastogenic activity. Phytochemistry 206, 113548 (2023). https://doi.org/10.1016/j.phytochem.2022.113548
8. R. Sasaki, M. A. Suico, C. Keisuke, Y. Teranishi, T. Sato, A. Kagami, S. Kotani, H. Kato, S. Tsukamoto, T. Yamashita, T. Yokoyama, M. Mizuguchi, H. Kai, T. Shuto. Combinatorial screening for therapeutics in ATTRv amyloidosis identifies naphthoquinone analogues as TTR-selective amyloid disruptors. J. Pharm. Sci. 151 (1), 54-62 (2023). https://doi.org/10.1016/j.jphs.2022.11.004
Review
1. Y. Hitora, S. Tsukamoto. The search for inhibitors of the ubiquitin-proteasome system from natural sources by cell-based screening in reporter-expressing cells. J. Synth. Org. Chem., Jpn. 81 (11) 1073-1080 (2023). https://doi.org/10.5059/yukigoseikyokaishi.81.1073
2022
1. A. H. H. El-Desoky, Y. Hitora, K. Onodera, Y. Ise, F. Losung, R. E. P. Mangindaan, S. Tsukamoto. Cyclopsammocinamides A and B, enantiomeric cyclic peptides of cyclocinamide A, from the marine sponge Psammocinia sp. Chem. Pharm. Bull. 70 (11), 818-822 (2022). https://doi.org/10.1248/cpb.c22-00523
2. S. P. Kelly, V. V. Shende, A. R. Flynn, Q. Dan, Y. Ye, J. L. Smith, S. Tsukamoto, M. S. Sigman, D. H. Sherman. Data science-driven analysis of substrate-permissive diketopiperazine reverse prenyltransferase NotF: Applications in protein engineering and cascade biocatalytic synthesis of (–)-eurotiumin A. J. Am. Chem. Soc. 144 (42), 19326-19336 (2022). https://pubs.acs.org/10.1021/jacs.2c06631
3. Y. Sadahiro, Y. Hitora, I. Kimura, N. Hitora-Imamura, R. Onodera, K. Motoyama, S. Tsukamoto. Colletofragarone A2 inhibits cancer cell growth in vivo and leads to the degradation and aggregation of mutant p53. Chem. Res. Toxicol. 35 (9), 1598-1603 (2022). https://doi.org/10.1021/acs.chemrestox.2c00202
4. A. H. H. El-Desoky, K. Eguchi, N. Kishimoto, T. Asano, H. Kato, Y. Hitora, S. Kotani, T. Nakamura, S. Tsuchiya, T. Kawahara, M. Watanabe, M. Wada, M. Nakajima, T. Watanabe, S. Misumi, S. Tsukamoto. Isolation, synthesis, and structure-activity relationship study on daphnane and tigliane diterpenes as HIV latency-reversing agents. J. Med. Chem. 65 (4), 3460-3472 (2022). https://doi.org/10.1021/acs.jmedchem.1c01973
5. S. Nishimura, Y. Hitora, T. Kawahara, M. Tanabe, E. Ogata, H. Kato, P. Srikoon, T. Watanabe, S. Tsukamoto. Cell-based screening of extracts of natural sources to search for inhibitors of the ubiquitin-proteasome system and identification of proteasome inhibitors from the fungus Remotididymella sp. Bioorg. Med. Chem. Lett. 59, 128566 (2022). https://doi.org/10.1016/j.bmcl.2022.128566
Review
1. A. H. H. El-Desoky, S. Tsukamoto. Marine natural products that inhibit osteoclastogenesis and promote osteoblast differentiation. J. Nat. Med. 76, 575-583 (2022). https://doi.org/10.1007/s11418-022-01622-5
2021
1. Y. Sadahiro, Y. Hitora, S. Tsukamoto. Colletofragarone A2 and colletoins A–C from a fungus Colletotrichum sp. decrease mutant p53 levels in cells. J. Nat. Prod. 84 (12), 3131-3137 (2021). https://doi.org/10.1021/acs.jnatprod.1c00913
2. Y. Maeyama, Y. Nakashima, H. Kato, Y. Hitora, K. Maki, N. Inada, S. Murakami, T. Inazumi, Y. Ise, Y. Sugimoto, H. Ishikawa, S. Tsukamoto. Amakusamine from a Psammocinia sp. sponge: Isolation, synthesis, and SAR study on the inhibition of RANKL-induced formation of multinuclear osteoclasts. J. Nat. Prod. 84 (10), 2738-2743 (2021). https://doi.org/10.1021/acs.jnatprod.1c00758
3. Y. Hitora, R. Maeda, K. Honda, Y. Sadahiro, Y. Ise, E. D. Angkouw, R. E. P. Mangindaan, S. Tsukamoto. Neopetrosidines A–D, pyridine alkaloids isolated from the marine sponge Neopetrosia chaliniformis and their cell cycle elongation activity. Bioorg. Med. Chem. 50, 116461 (2021). https://doi.org/10.1016/j.bmc.2021.116461
4. A. H. H. El-Desoky, N. Inada, Y. Maeyama, H. Kato, Y. Hitora, M. Sebe, M. Nagaki, A. Kai, K. Eguchi, T. Inazumi, Y. Sugimoto, J. C. Frisvad, R. M. Williams, S. Tsukamoto. Taichunins E–T, Isopimarane and a 20-nor-isopimarane diterpene, from Aspergillus taichungensis (IBT 19404): structures and inhibitory effects on RANKL-induced formation of multinuclear osteoclasts. J. Nat. Prod. 84 (9), 2475-2485 (2021). https://doi.org/10.1021/acs.jnatprod.1c00486
5. Y. Hitora, K. Ogura, A. H. H. El-Desoky, Y. Ise, E. D. Angkouw, R. E. P. Mangindaan, S. Tsukamoto. Halichonic acid B, a rearranged nitrogenous bisabolene-type sesquiterpene from a marine sponge Axinyssa sp. Chem. Pharm. Bull. 69 (8), 802-805 (2021). https://doi.org/10.1248/cpb.c21-00392
6. Y. Koyanagi, Y. Hitora, T. Kawahara, S. Tsukamoto. Peniphilones A and B: azaphilone alkaloids from the endophytic fungus Penicillium maximae. Heterocycles 102 (2), 325-332 (2021). https://doi.org/10.3987/COM-20-14373
7. Y. Hitora, A. Sejiyama, K. Honda, Y. Ise, F. Losung, R. E. P. Mangindaan, S. Tsukamoto. Fluorescent image-based high-content screening of extracts of natural resources for cell cycle inhibitors and identification of a new sesquiterpene quinone from the sponge, Dactylospongia metachromia. Bioorg. Med. Chem. 31, 115968 (2021). https://doi.org/10.1016/j.bmc.2020.115968
Book
1. A. H. H. El-Desoky, S. Tsukamoto. Manzamines: marine bioactive heterocycles. Topics in Heterocyclic Chemistry, Volume 58 (Marine Natural Products) (T. Kiyota Ed.), Springer Nature Singapore Pte Ltd. 2021.
2020
1. Y. Koyanagi, T. Kawahara, Y. Hitora, S. Tsukamoto. Ukixanthomycin A: A hexacyclic xanthone from the mudflat-derived actinomycete Streptomyces sp. Heterocycles 100 (10), 1686-1693 (2020). https://doi.org/10.3987/COM-20-14320
2. A. E. Fraley, H. T. Tran, S. P. Kelly, S. A. Newmister, A. Tripathi, H. Kato, S. Tsukamoto, L. Du, S. Li, R. M. Williams, D. H. Sherman. Flavin-dependent monooxygenases NotI and NotI’ mediate spiro-oxindole formation in biosynthesis of the notoamides. ChemBioChem 21 (17), 2449-2454 (2020). https://doi.org/10.1002/cbic.202000004
3. A. H. H. El-Desoky, K. Eguchi, H. Kato, N. Kishimoto, S. Misumi, T. Watanabe, S Tsukamoto. Chamaejasmins, cytotoxic guaiane sesquiterpenes from the root of Stellera chamaejasme L. Fitoterapia 146, 104714 (2020). https://doi.org/10.1016/j.fitote.2020.104714
4. Y. Ye, L. Du, X. Zhang, S. A. Newmister, M. McCauley, J. V. Alegre-Requena, W. Zhang, S. Mu, A. Minami, A. E. Fraley, M. L. Adrover-Castellano, N. A. Carney, V. V. Shende, F. Qi, H. Oikawa, H. Kato, S. Tsukamoto, R. S. Paton, R. M. Williams, D. Sherman, S. Li. Fungal-derived Brevianamide assembly by a stereoselective semipinacolase. Nat. Catal. 3 (6), 497-506 (2020). https://doi.org/10.1038/s41929-020-0454-9
5. S. Murakami, N. Hayashi, T. Inomata, H. Kato, Y. Hitora, S. Tsukamoto. Induction of secondary metabolite production by fungal co-culture of Talaromyces pinophilus and Paraphaeosphaeria sp. J. Nat. Med. 74 (3), 545-549 (2020). https://doi.org/10.1007/s11418-020-01400-1
6. Y. Sadahiro, H. Kato, R. M. Williams, S. Tsukamoto. Irpexine, an isoindolinone alkaloid produced by coculture of endophytic fungi, Irpex lacteus and Phaeosphaeria oryzae. J. Nat. Prod. 83 (5), 1368-1373 (2020). https://doi.org/10.1021/acs.jnatprod.0c00047
7. Y. Sadahiro, Y. Hitora, A. Fukumoto, Y. Ise, E. D. Angkouw, R. E. P. Mangindaan, S. Tsukamoto. Melophluosides A and B, new triterpene galactosides from the marine sponge Melophlus sarasinorum. Tetrahendron Lett. 61 (20), 151852 (2020). https://doi.org/10.1016/j.tetlet.2020.151852
2019
1. M. Elsbaeya, B. Jie, C. Tanaka, H. Kato, S. Tsukamoto, K. Usui, G. Hirai, T. Miyamoto. Nuciferols A and B: novel sesquineolignans from Cocos nucifera. Tetrahedron Lett. 60, 150948 (2019). https://doi.org/10.1016/j.tetlet.2019.150948
2. A. Katsuki, H. Kato, Y. Ise, F. Losung, R. E. P. Mangindaan, S. Tsukamoto. Agesamines A and B, new dibromopyrrole alkaloids from the sponge Agelas sp. Heterocycles 98 (4), 558-563 (2019). https://doi.org/10.3987/COM-19-14054
3. H. Kato, M. Sebe, M. Nagaki, K. Eguchi, I. Kagiyama, Y. Hitora, J. C. Frisvad, R. M. Williams, S. Tsukamoto. Taichunins A–D, Norditerpenes from Aspergillus taichungensis (IBT 19404). J. Nat. Prod. 82 (5), 1377-1381 (2019). https://doi.org/10.1021/acs.jnatprod.8b01032
4. K. Raiju, Y. Hitora, H. Kato, Y. Ise, E. D. Angkouw, R. E. P. Mangindaan, S. Tsukamoto. Halichonic acid, a new rearranged bisabolene-type sesquiterpene from a marine sponge Halichondria sp. Tetrahedron Lett. 60 (15), 1079-1081 (2019). https://doi.org/10.1016/j.tetlet.2019.03.030
5. H. Kato, A. H. El-Desoky, Y. Takeishi, T. Nehira, E. D. Angkouw, R. E. P. Mangindaan, N. J. de Voogd, S. Tsukamoto. Tetradehydrohalicyclamine B, a new proteasome inhibitor from the marine sponge Acanthostrongylophora ingens. Bioorg. Med. Chem. Lett. 29 (1), 8-10 (2019). https://doi.org/10.1016/j.bmcl.2018.11.028
2018
1. A. Fukumoto, Y. Hitora, A. Kai, H. Kato, E. D. Angkouw, R. E. P. Mangindaan, N. J. de Voogd, S. Tsukamoto. Isolation of aaptic acid from the marine sponge Aaptos lobata and inhibitory effect of aaptamines on RANKL-induced formation of multinuclear osteoclasts. Heterocycles 97 (2), 1219-1225 (2018). https://doi.org/10.3987/COM-18-S(T)73
2. M. Torii, Y. Hitora, H. Kato, Y. Koyanagi, T. Kawahara, F. Losung, R. E. P. Mangindaan, S. Tsukamoto. Siladenoserinols M–P, sulfonated serinol derivatives from a tunicate. Tetrahedron 74 (52), 7516-7521 (2018). https://doi.org/10.1016/j.tet.2018.11.031
3. A. Kai, H. Kato, D. H. Sherman, R. M. Williams, S. Tsukamoto. Isolation of a new indoxyl alkaloid, Amoenamide B, from Aspergillus amoenus NRRL 35600: biosynthetic implications and correction of the structure of Speramide B. Tetrahedron Lett. 59 (48), 4236-4240 (2018). https://doi.org/10.1016/j.tetlet.2018.10.034
4. S. Shiomi, K. Wada, Y. Umeda, H. Kato, S. Tsukamoto, H. Ishikawa. Total syntheses and stereochemical reassignments of mollenines A and B. Bioorg. Med. Chem. Lett. 28 (16), 2766-2769 (2018). https://doi.org/10.1016/j.bmcl.2018.01.065
5. M. Inoue, Y. Hitora, H. Kato, F. Losung, R. E. P. Mangindaan, S. Tsukamoto. New geranyl flavonoids from the leaves of Artocarpus communis. J. Nat. Med. 72 (3), 632-640 (2018). https://doi.org/10.1007/s11418-018-1192-z
6. M. Yoshida, K. Saito, H. Kato, S. Tsukamoto, T. Doi. A total synthesis and biological evaluation of siladenoserinol A and its analogues. Angew. Chem. Int. Ed. 57 (18), 5147-5150 (2018). https://doi.org/10.1002/anie.201801659
7. A. A. El-Beih, A. H. El-Desoky, M. A. Al-hammady, A.-S. I. Elshamy, M.-E. F. Hegazy, H. Kato, S. Tsukamoto. New inhibitiors of RANKL-induced osteoclastogenesis from the marine sponge Siphonochalina siphonella. Fitoterapia 128, 43-49 (2018). https://doi.org/10.1016/j.fitote.2018.05.001
8. M. Hashimoto, H. Kato, A. Katsuki, S. Tsukamoto, I. Fujii. Identification of biosynthetic gene cluster for himeic acid A: a ubiquitin-activating enzyme (E1) inhibitor in Aspergillus japonicus MF275. ChemBioChem 19 (6), 535-539 (2018). https://doi.org/10.1002/cbic.201700584
9. A. Katsuki, H. Kato, Y. Tahara, M. Hashimoto, I. Fujii, S. Tsukamoto. pH-Dependent production of himeic acid A and its non-enzymatic conversions to himeic acids B and C. Bioorg. Med. Chem. 26 (8), 1869-1874 (2018). https://doi.org/10.1016/j.bmc.2018.02.034
Review
1. K. Klas, H. Kato, J. C. Frisvad, F. Yu, S. Newmister, A. Fraley, D. H. Sherman, S. Tsukamoto, R. M. Williams. Structural and stereochemical diversity in prenylated indole alkaloids containing the bicyclo[2.2.2]diazaoctane ring system from marine and terrestrial fungi. Nat. Prod. Rep. 35 (6), 532-558 (2018). https://doi.org/10.1039/c7np00042a
2017
1. Kato, H., Kai, A., Kawabata, T., Sunderhaus, J. D., McAfoos, T. J., Finefield, J. M., Sugimoto, Y., Williams, R. M., Tsukamoto, S. Enantioselective inhibitory abilities of enantiomers of notoamides against RANKL-induced formation of multinuclear osteoclasts. Bioorg. Med. Chem. Lett. 27 (22), 4975-4978 (2017). https://doi.org/10.1016/j.bmcl.2017.10.017
2. Torii, M., Kato, H., Hitora, Y., Angkouw, E. D., Mangindaan, R. E. P., de Voogd, N. J., Tsukamoto, S. Lamellodysidines A and B, sesquiterpenes isolated from the marine sponge Lamellodysidea herbacea. J. Nat. Prod. 80 (9), 2536-2541 (2017). https://doi.org/10.1021/acs.jnatprod.7b00610
3. El-Desoky, A. H., Kato, H., Tsukamoto, S. Ceylonins G−I: Spongian diterpenes from the marine sponge Spongia ceylonensis. J. Nat. Med. 71 (4), 765-769 (2017). https://doi.org/10.1007/s11418-017-1087-4
4. Afifi, A. H., Kagiyama, I., El-Desoky, A. H., Kato, H., Mangindaan, R. E. P., de Voogd, N. J., Ammar, N. M., Hifnawy, M. S., Tsukamoto, S. Sulawesins A–C, furanosesterterpene tetronic acids that inhibit USP7, from a Psammocinia sp. marine sponge. J. Nat. Prod. 80 (7), 2045-2050 (2017). https://doi.org/10.1021/acs.jnatprod.7b00184
5. Sugimoto, K., Sadahiro, Y., Kagiyama, I., Kato, H., Sherman, D. H., Williams, R. M., Tsukamoto, S. Isolation of amoenamide A and five antipodal prenylated alkaloids from Aspergillus amoenus NRRL 35600. Tetrahedron Lett. 58 (29), 2797-2800 (2017). https://doi.org/10.1016/j.tetlet.2017.05.057
6. El-Desoky, A. H., Kato, H., Kagiyama, I., Hitora, Y., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Tsukamoto, S. Ceylonins A-F, spongian diterpene derivatives that inhibit RANKL-induced formation of multinuclear osteoclasts, from the marine sponge Spongia ceylonensis. J. Nat. Prod. 80 (1), 90-95 (2017). https://doi.org/10.1021/acs.jnatprod.6b00725
2016
1. El-Desoky, A. H., Kato, H., Angkouw, E. D., Mangindaan, R. E. P., de Voogd, N. J., Tsukamoto, S. Ceylonamides A-F, nitrogenous spongian diterpenes that inhibit RANKL-induced osteoclastogenesis, from the marine sponge Spongia ceylonensis. J. Nat. Prod. 79 (8), 1922-1928 (2016). https://doi.org/10.1021/acs.jnatprod.6b00158
2. Tanokashira, N., Kukita, S., Kato, H., Nehira, T., Angkouw, E. D., Mangindaan, R. E. P., de Voogd, N. J., Tsukamoto, S. Petroquinones: Trimeric and dimeric xestoquinone derivatives isolated from the marine sponge Petrosia alfiani. Tetrahedron 72 (35), 5530-5540 (2016). https://doi.org/10.1016/j.tet.2016.07.045
3. Afifi, A. H., El-Desoky, A. H., Kato, H., Mangindaan, R. E. P., de Voogd, N. J., Ammar, N. M., Hifnawy, M. S., Tsukamoto, S. Carteritins A and B, cyclic heptapeptides from the marine sponge Stylissa carteri. Tetrahedron Lett. 57 (11), 1285-1288 (2016). https://doi.org/10.1016/j.tetlet.2016.02.031
4. Kagiyama, I., Kato, H., Nehira, T., Frisvad, J. C., Sherman, D. H., Williams, R. M., Tsukamoto, S. Taichunamides: prenylated indole alkaloids from Aspergillus taichungensis (IBT 19404). Angew. Chem. Int. Ed. 55 (3), 1128-1132 (2016). https://doi.org/10.1002/anie.201509462
5. Tadano, S., Sugimachi, Y., Sumimoto, M., Tsukamoto, S., Ishikawa, H. Collective synthesis and biological evaluation of tryptophan-based dimeric diketopiperazine alkaloids. Chem. Eur. J. 22 (4), 1277-1291 (2016). https://doi.org/10.1002/chem.201503417
Review
1. Tsukamoto, S. Foreword (Current Topics: Recent Progress in Study on the Biologically-Active Natural Products). Chem. Pharm. Bull. 64 (2), 95 (2016). https://doi.org/10.1248/cpb.c16-ctf6402
2. Tsukamoto, S. Search for inhibitors of the ubiquitin-proteasome system from natural sources for cancer therapy (Current Topics: Recent Progress in Study on the Biologically-Active Natural Products). Chem. Pharm. Bull. 64 (2), 112-118 (2016). https://doi.org/10.1248/cpb.c15-00768
2015
1. Eguchi, K., Kato, H., Fujiwara, Y., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Takeya, M., Tsukamoto, S. Bastadins, brominated-tyrosine derivatives, suppress accumulation of cholesterol ester in macrophages. Bioorg. Med. Chem. Lett. 25 (22) 5389-5392 (2015). https://doi.org/10.1016/j.bmcl.2015.09.024
2. Gushiken, M., Kagiyama, I., Kato, H., Kuwana, T., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Tsukamoto, S. Manadodioxans A–E: polyketide endoperoxides from the marine sponge Plakortis bergquistae. J. Nat. Med. 69 (4), 595-600 (2015). https://doi.org/10.1007/s11418-015-0920-x
3. Kato, H., Nehira, K., Matsuo, K., Kawabata, T., Kobashigawa, Y., Morioka, H., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Yokosawa, H., Tsukamoto, S. Niphateolide A: Isolation from the Marine Sponge Niphates olemda and Determination of its Absolute Configuration by an ECD Analysis. Tetrahedron 71 (38), 6956-6960 (2015). https://doi.org/10.1016/j.tet.2015.07.009
4. Takamoto, H., Eguchi, K., Kawabata, T., Fujiwara, Y., Takeya, M., Tsukamoto, S. Inhibitors for Cholesterol Ester Accumulation in Macrophages from Chinese Cabbage. Biosci. Biotechnol. Biochem. 79 (8), 1315-1319 (2015). https://doi.org/10.1080/09168451.2015.1023247
5. Noda, A., Sakai, E., Kato, H., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Yokosawa, H., Tsukamoto, S. Strongylophorines, meroditerpenoids from the marine sponge Petrosia corticata, function as proteasome inhibitors. Bioorg. Med. Chem. Lett. 25 (13), 2650-2653 (2015). https://doi.org/10.1016/j.bmcl.2015.04.075
6. Kato, H., Nakahara, T., Sugimoto, K., Matsuo, K., Kagiyama, I., Frisvad, J. C., Sherman, D. H., Williams, R. M., Tsukamoto, S. Isolation of Notoamide S and Enantiomeric 6-epi-Stephacidin A from the Fungus Aspergillus amoenus: Biogenetic Implications. Org. Lett. 17 (3), 700-703 (2015). https://doi.org/10.1021/ol5037198
7. Kato, H., Nakahara, T., Yamaguchi, M., Kagiyama, I., Finefield, J. M., Sunderhaus, J. D., Sherman, D. H., Williams, R. M., Tsukamoto, S. Bioconversion of 6-epi-Notoamide T Produces Metabolites of Unprecedented Structures in a Marine-derived Aspergillus sp. Tetrahedron Lett. 56 (1), 247-251 (2015). https://doi.org/10.1016/j.tetlet.2014.11.083
Reviews
1. Klas, K., Tsukamoto, S., Sherman, D. H., Williams, R. M. Natural Diels−Alderases: Elusive and Irresistable (Perspective in The Journal of Organic Chemistry’s Special Issue “50 Years and Counting: The Woodward−Hoffmann Rules in the 21st Century”). J. Org. Chem. 80, 11672-11685 (2015). https://doi.org/10.1021/acs.joc.5b01951
2. Sherman, D. H., Tsukamoto, S., Williams, R. M. Comment on “Asymmetric syntheses of sceptrin and massadine and evidence for biosynthetic enantiodivergence”. Science (Technical Comment), 349, 149 (2015). https://doi.org/10.1126/science.aaa9349
2014
1. Yamakuma, M., Kato, H., Matsuo, K., El-Desoky, A. H., Kawabata, T., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Yokosawa, H., Tsukamoto, S. 1-Hydroxyethylhalenaquinone: a New Proteasome Inhibitor from the Marine Sponge Xestospongia sp. Heterocycles 89 (11), 2605-2610 (2014). https://doi.org/10.3987/COM-14-13087
2. Tsukamoto, S., Takeuchi, T., Kawabata, T., Kato, H., Yamakuma, M., Matsuo, K., El-Desoky, A. H., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Arata, Y., Yokosawa, H. Halenaquinone Inhibits RANKL-induced Osteoclastogenesis. Bioorg. Med. Chem. Lett. 24 (22), 5315-5317 (2014). https://doi.org/10.1016/j.bmcl.2014.09.043
3. Furusato, A., Kato, H., Nehira, T., Eguchi, K., Kawabata, T., Fujiwara, Y., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Takeya, M., Yokosawa, H., Tsukamoto, S. Acanthomanzamines A-E with New Manzamine Frameworks from the Marine Sponge Acanthostrongylophora ingens. Org. Lett. 16 (15), 3888-3891 (2014). https://doi.org/10.1021/ol5015569
4. El-Desoky, A. H., Kato, H., Eguchi, K., Kawabata, T., Fujiwara, Y., Losung, F., Mangindaan, R. E. P., de Voogd, N., Takeya, M., Yokosawa, H., Tsukamoto, S. Acantholactam and Pre-neo-kauluamine, Manzamine-related Alkaloids from the Indonesian Marine Sponges Acanthostrongylophora ingens. J. Nat. Prod. 77 (6), 1536-1540 (2014). https://doi.org/10.1021/np500290a
5. Kudo, Y., Kato, H., Rotinsulu, H., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Tsukamoto, S. Aaptoline A, a New Quinoline Alkaloid from the Marine Sponge Aaptos suberitoides. Heterocycles 88 (1), 591-594 (2014). https://doi.org/10.3987/COM-13S(S)3
6. Sakai, E., Kato, H., Rotinsulu, H., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Yokosawa, H., Tsukamoto, S. Variabines A and B: New β-Carboline Alkaloids from the Marine Sponge Luffariella variabilis. J. Nat. Med. 68 (1), 215-219 (2014). https://doi.org/10.1007/s11418-0130778-8
2013
1. Imada, K., Sakai, E., Kato, H., Kawabata, T., Yoshinaga, S., Nehira, T., Terasawa, H., Tsukamoto, S. Reticulatins A and B and Hyrtioreticulin F from the Marine Sponge Hyrtios reticulatus. Tetrahedron 69 (34), 7051-7055 (2013). https://doi.org/10.1016/j.tet.2013.06.043
2. Yamaguchi, M., Miyazaki, M., Kodrasov, M. P., Rotinsulu, H., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Yokosawa, H., Nicholson, B., Tsukamoto, S. Spongiacidin C, a Pyrrole Alkaloid from the Marine Sponge Stylissa massa, Functions as a USP7 Inhibitor. Bioorg. Med. Chem. Lett. 23 (13), 3884-3886 (2013). https://doi.org/10.1016/j.bmcl.2013.04.066
3. Eguchi, K., Fujiwara, Y., Hayashida, A., Horlad, H., Kato, H., Rotinsulu, H., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Takeya, M., Tsukamoto, S. Manzamine A, a Marine-Derived Alkaloid, Inhibits Accumulation of Cholesterol Ester in Macrophages and Suppresses Hyperlipidemia and Atherosclerosis in vivo. Bioorg. Med. Chem. 21 (13), 3831-3838 (2013). https://doi.org/10.1016/j.bmc.2013.04.025
4. Nakamura, Y., Kato, H., Nishikawa, T., Iwasaki, N., Suwa, Y., Rotinsulu, H., Losung, F., Maarisit, W., Mangindaan, R. E. P., Morioka, H., Yokosawa, H., Tsukamoto, S. Siladenoserinols A-L: New Sulfonated Serinol Derivatives from a Tunicate as Inhibitors of p53-Hdm2 Interaction. Org. Lett. 15 (2), 322-325 (2013). https://doi.org/10.1021/ol3032363
5. Sunderhaus, J. D., McAfoos, T. J., Finefield, J. M., Kato, H., Li, S., Tsukamoto, S., Sherman, D. H., Williams, R. M. Synthesis and Bioconversions of Notoamide T: A Biosynthetic Precursor to Stephacidin A and Notoamide B. Org. Lett. 15 (1), 22-25 (2013). https://doi.org/10.1021/ol302901p
6. Kuwana, T., Miyazaki, M., Kato, H., Tsukamoto, S. Himeic Acids E-G, New 4-Pyridone Derivatives from a Culture of Aspergillus sp. Chem. Pharm. Bull. 61 (1), 105-107 (2013). https://doi.org/10.1248/cpb.c12-00800
2012
1. Ushiyama, S., Umaoka, H., Kato, H., Suwa, Y., Morioka, H., Rotinsulu, H., Losung, F., Mangindaan, R. E. P., de Voogd, N. J., Yokosawa, H., Tsukamoto, S. Manadosterols A and B, Sulfonated Sterol Dimers Inhibiting Ubc13-Uev1A Interaction, Isolated from the Marine Sponge Lissodendryx fibrosa. J. Nat. Prod. 75 (8), 1495-1499 (2012). https://doi.org/10.1021/np300352u
2. Yamanokuchi, R., Imada, K., Miyazaki, M., Kato, H., Watanabe, T., Fujimuro, M., Saeki, Y., Yoshinaga, S., Terasawa, H., Iwasaki, N., Rotinsulu, H., Losung, F., Mangindaan, R. E. P., Namikoshi, M., de Voogd, N. J., Yokosawa, H., Tsukamoto, S. Hirtioreticulins A-E, Indole Alkaloids Inhibiting the Ubiquitin-activating Enzyme, from the Marine Sponge Hyrtios reticulatus. Bioorg. Med. Chem. 20 (14), 4437-4442 (2012). https://doi.org/10.1016/j.bmc.2012.05.044
3. Li, S., Anand, K., Tran, H., Yu, F., Finefield, J. M., Sunderhaus, J. D., McAfoos, T. J., Tsukamoto, S., Williams, R. M., Sherman, D. H. Comparative Analysis of the Biosynthetic Systems for Fungal Bicyclo[2.2.2]diazaoctane Indole Alkaloids: the (+)/(-)-Notoamide, Paraherquamide and Malbrancheamide Pathways. MedChemComm 3 (8), 987-996 (2012). https://doi.org/10.1039/c2md20029e
4. Tamai, Y., Toume, K., Arai, M. A., Hayashida, A., Kato, H., Shizuri, Y., Tsukamoto, S., Ishibashi, M. Nonactin and Related Compounds Found in a Screening Program for Wnt Signal Inhibitory Activity. Heterocycles 84 (2), 1245-1250 (2012). https://doi.org/10.3987/COM-11-S(P)18
2011
1. Kato, H., Nakamura, Y., Finefield, J. M., Umaoka, H., Nakahara, T., Williams, R. M., Tsukamoto, S. Study on the Biosynthesis of the Notoamides: Pinacol-type Rearrangement of Isoprenyl Unit in Deoxybrevianamide E and 6-Hydroxydeoxybrevianamide E. Tetrahedron Lett. 52 (51), 6923-6926 (2011). https://doi.org/10.1016/j.tetlet.2011.02.078
2. Nagasawa, Y., Kato, H., Rotinsulu, H., Mangindaan, R. E. P., de Voogd, N. J., Tsukamoto, S. Spironaamidine, a New Spiroquinone-containing Alkaloid from the Marine Sponge Leucetta microraphis. Tetrahedron Lett. 52 (41), 5342-5344 (2011). https://doi.org/10.1016/j.tetlet.2011.08.026
3. Finefield, J. M., Kato, H., Greshock, T. J., Sherman, D. H., Tsukamoto, S., Williams, R. M. Biosynthetic Studies of the Notoamides: Isotopic Synthesis of Stephacidin A and Incorporation into Notoamide B and Sclerotiamide. Org. Lett. 13 (15), 3802-3805 (2011). https://doi.org/10.1021/ol201284y
4. Finefield, J. M., Sherman, D. H., Tsukamoto, S., Williams, R. M. Studies on the Biosynthesis of the Notoamides: Synthesis of an Isotopomer of 6-Hydroxydeoxybrevianamide E and Biosynthetic Incorporation into Notoamide J. J. Org. Chem. 76 (15), 5954-5958 (2011). https://doi.org/10.1021/jo200218a
5. Fujiwara, Y., Hayashida, A., Tsurushima, K., Nagai, R., Yoshitomi, M., Daiguji, N., Sakashita, N., Takeya, M., Tsukamoto, S., Ikeda, T. Triterpenes Isolated from Zizyphus Jujuba Inhibit the Foam Cell Formation in Macrophages. J. Agric. Food Chem. 59 (9), 4544-4552 (2011). https://doi.org/10.1021/jf200193r
6. Finefield, J. M., Greshock, T. J., Sherman, D. H., Tsukamoto, S., Williams, R. M. Notoamide E: Biosynthetic incorporation into notoamides C and D in cultures of Aspergillus versicolor NRRL 35600. Tetrahedron Lett. 52 (16), 1987-1989 (2011). https://doi.org/10.1016/j.tetlet.2011.02.078
7. Hirata, T., Kobayashi, T., Wada, A., Ueda, T., Fujikawa, T., Miyashita, H., Ikeda, T., Tsukamoto, S., Nohara, T. Anti-obesity Compounds in Green Leaves of Eucommia ulmoides. Bioorg. Med. Chem. Lett. 21 (6), 1786-1791 (2011). https://doi.org/10.1016/j.bmcl.2011.01.060
8. Nagasawa, Y., Ueoka, R., Yamanokuchi, R., Horiuchi, N., Ikeda, T., Rotinsulu, H., Mangindaan, R. E. P., Ukai, K., Kobayashi, H., Namikoshi, M., Hirota, H., Yokosawa, H., Tsukamoto, S. Isolation of Salsolinol, a Tetrahydroisoquinoline Alkaloid, from the Marine Sponge Xestospongia cf. vansoesti as a Proteasome Inhibitor. Chem. Pharm. Bull. 59 (2), 287-290 (2011). https://doi.org/10.1248/cpb.59.287
2010
1. McAfoos, T. J., Tsukamoto, S., Sherman, D. H., Williams, R. M. Studies on the Biosynthesis of the Stephacidins and Notoamides. Total Synthesis of Notoamide S. Heterocycles 82 (1), 461-472 (2010). https://doi.org/10.3987/COM-10-S(E)19
2. Ding, Y., de Wet, J. R., Cavalcoli, J., Li, S., Greshock, T. J., Miller, K. A., Finefield, J. M., Sunderhaus, J. D., McAfoos, T. J., Tsukamoto, S., Williams, R. M., Sherman, D. H. Genome-based Characterization of Two Prenylation Steps in the Assembly of the Stephacidin and Notoamide Anticancer Agents in a Marine Aspergillus sp. J. Am. Chem. Soc. 132 (36), 12733-12740 (2010). https://doi.org/10.1021/ja1049302
3. Tsukamoto, S., Umaoka, H., Yoshikawa, K., Ikeda, T., Hirota, H. Notoamide O, a Structurally Unprecedented Prenylated Indole Alkaloid, and Notoamides P-R from a Marine-derived Fungus, Aspergillus sp. J. Nat. Prod. 73 (8), 1438-1440 (2010). https://doi.org/10.1021/np1002498
4. El-Aasr, M., Fujiwara, Y., Takeya, M., Ikeda, T., Tsukamoto, S., Ono, M., Nakano, D., Okawa, M., Kinjo, J., Yoshimitsu, H., Nohara, T. Onionin A from Allium cepa Inhibits Macrophage Activation. J. Nat. Prod. 73 (7), 1306-1308 (2010). https://doi.org/10.1021/np100105u
5. Tsukamoto, S., Yamanokuchi, R., Yoshitomi, M., Sato, K., Ikeda, T., Rotinsulu, H., Mangindaan, R. E. P., de Voogd, N. J., van Soest, R. W. M., Yokosawa, H. Aaptamine, an Alkaloid from the Sponge Aaptos suberitoides, functions as a Proteasome Inhibitor. Bioorg. Med. Chem. Lett. 20 (11), 3341-3343 (2010). https://doi.org/10.1016/j.bmcl.2010.04.029
6. Kapojos, M., Lee, J.-S., Oda, T., Nakazawa, T., Takahashi, O., Ukai, K., Mangindaan, R. E. P., Rotinsulu, H., Wewengkang, D. S., Tsukamoto, S., Kobayashi, H., Namikoshi, M. Two Unprecedented Cembrene-Type Terpenes from an Indonesian Soft Coral Sarcophyton sp. Tetrahedron 66 (3), 641-645 (2010). https://doi.org/10.1016/j.tet.2009.11.078
Review
1. Tsukamoto, S., Yokosawa, H. Inhibition of the Ubiquitin-proteasome System by Natural Products for Cancer Therapy. Planta Med. 76 (11), 1064-1074 (2010). https://doi.org/10.1055/s-0029-1240901
2009
1. Wang, W., Takahashi, O., Oda, T., Nakazawa, T., Ukai, K., Mangindaan, R. E. P., Rotinsulu, H., Wewengkang, D. S., Kobayashi, H., Tsukamoto, S., Namikoshi, M. Lissoclibadins 8-14, Polysulfur Dopamine-derived Alkaloids from the Colonial Ascidian Lissoclinum cf. badium. Tetrahedron 65 (46), 9598-9603 (2009). https://doi.org/10.1016/j.tet.2009.09.056
2. Wang, W., Lee, J.-S., Nakazawa, T., Ukai, K., Mangindaan, R. E. P., Wewengkang, D. S., Rotinsulu, H., Kobayashi, H., Tsukamoto, S., Namikoshi, M. (25S)-Cholesten-26-oic Acid Derivatives from an Indonesian Soft Coral Minabea sp. Steroids 74 (9), 758-760 (2009). https://doi.org/10.1016/j.steroids.2009.04.002
3. Dalisay, D. S., Tsukamoto, S., Molinsli, T. F. Absolute Configuration of the α,ω-Bifunctionalized Sphingolipid Leucettamol A from Leucetta microrhaphis by Deconvoluted Exciton Coupled CD. J. Nat. Prod. 72 (3), 353-359 (2009). https://doi.org/10.1021/np800549n
4. Miller, K. A., Tsukamoto, S., Williams, R. M. Asymmetric Total Syntheses of (+)- and (-)-Versicolamide B and Biosynthetic Implications. Nat. Chem. 1 (1), 63-68 (2009). https://doi.org/10.1038/nchem.110
5. Tsukamoto, S., Kato, H., Greshock, T. J., Hirota, H., Ohta, T., Williams, R. M. Isolation of Notoamides E, a Key Precursor in the Biosynthesis of Prenylated Indole Alkaloids in a Marine-derived fungus, Aspergillus sp. J. Am. Chem. Soc. 131 (11), 3834-3835 (2009). https://doi.org/10.1021/ja810029b
6. Tsukamoto, S., Kawabata, T., Kato, H., Greshock, T. J., Hirota, H., Ohta, T., Williams, R. M. Isolation of Antipodal (-)-Versicolamide B and Notoamides L-N from a Marine-derived Aspergillus sp. Org. Lett. 11 (6), 1297-1300 (2009). https://doi.org/10.1021/ol900071c
7. Nakahashi, A., Miura, N., Monde, K., Tsukamoto, S. Stereochemical Studies of Hexylitaconic Acid, an Inhibitor of p53-HDM2 Interaction. Bioorg. Med. Chem. Lett. 19 (11), 3027-3030 (2009). https://doi.org/10.1016/j.bmcl.2009.04.057
Review
1. Tsukamoto, S., Yokosawa, H. Targeting the proteasome-mediated proteolytic pathway, Expert Opin. Ther. Targets 13 (5), 605-621 (2009). https://doi.org/10.1517/14728220902866851
2008
1. Tsukamoto, S., Kato, H., Samizo, M., Nojiri, Y., Ohnuki, H., Hirota, H., Ohta, T. Notoamides F-K: Prenylated Indole Alkaloids Isolated from a Marine-derived Aspergillus sp. J. Nat. Prod. 71 (12), 2064-2067 (2008). https://doi.org/10.1021/np800471y
2. Tsukamoto, S., Takeuchi, T., Rotinsulu, H., Mangindaan, R. E. P., Soest, R. W. M. van, Ukai, K., Kobayashi, H., Namikoshi, M., Ohta, T., Yokosawa, H. Leucettamol A: A New Inhibitor of Ubc13-Uev1A Interaction Isolated from a Marine sponge, Leucetta aff. microrhaphis. Bioorg. Med. Chem. Lett. 18 (24), 6319-6320 (2008). https://doi.org/10.1016/j.bmcl.2008.10.110
2007
1. Tsukamoto, S., Kawabata, T., Kato, H., Ohta, T., Rotinsulu, H., Mangindaan, R. E. P., Soest, R. W. M. van, Ukai, K., Kobayashi, H., Namikoshi, M. Naamidines H and I, Cytotoxic Imidazole Alkaloids from the Indonesian Marine Sponge Leucetta chagosensis, J. Nat. Prod. 70 (10), 1658-1660 (2007). https://doi.org/10.1021/np070246i
2. El-Beih, A. A., Kawabata, T., Koimaru, K., Ohta, T., Tsukamoto, S. Monodictyquinone A: A New Antimicrobial Anthraquinone from a Sea Urchin-Derived Fungus Monodictys sp., Chem. Pharm. Bull. 55 (7), 1097-1098 (2007). https://doi.org/10.1248/cpb.55.1097
3. El-Beih, A. A., Kato, H., Ohta, T., Tsukamoto, S. (3R,4aR,5S,6R)-6-Hydroxy-5-methylramulosin: A New Ramulosin Derivative from a Marine-derived Sterile Mycelium, Chem. Pharm. Bull. 55 (6), 953-954 (2007). https://doi.org/10.1248/cpb.55.953
4. Greshock, T. J., Grubbs, A. W., Tsukamoto, S., Williams, R. M. A concise, Biomimetic Total Synthesis of Stephacidin A and Notoamide B. Angew. Chem. Int. Ed. 46 (13), 2262-2265 (2007). https://doi.org/10.1002/anie.200604378
5. Grubbs, W., Artman III, G. D., Tsukamoto, S., Williams, R. M. A concise Total Synthesis of the Notoamides C and D. Angew. Chem. Int. Ed. 46 (13), 2257-2261 (2007). https://doi.org/10.1002/anie.200604377
6. Kato, H., Yoshida, T., Tokue, T., Nojiri, Y., Hirota, H., Ohta, T., Williams, R. M., Tsukamoto, S. Notoamides A–D: New Prenylated Indole Alkaloids Isolated from a Marine derived Fungus, Aspergillus sp. Angew. Chem. Int. Ed. 46 (13), 2254-2256 (2007). https://doi.org/10.1002/anie.200604381
7. El-Beih, A. A., Kato, H., Tsukamoto, S., Ohta, T. CYP3A4 Inhibitors Isolated from a Marine-derived Fungus, Penicillium species. J. Nat. Med. 61 (2), 175-177 (2007). https://doi.org/10.1007/s11418-006-0102-y
2006
1. Tokue, T., Miura, S., Kato, H., Hirota, H., Ohta, T., Tsukamoto, S. Neurotrophic Sesterterpenes Isolated from a Marine Sponge, Spongia sp. Heterocycles 69 (1), 521-526 (2006). https://doi.org/10.3987/COM-06-S(O)46
2. Matsumura, K., Nagano, M., Tsukamoto, S., Kato, H., Fusetani, N. Effect of Emetine, a Protein Synthesis Inhibitor, on Larval Tail Resorption in the Ascidian Halocynthia roretzi. Sessile Organisms 23 (2), 43-46 (2006). https://doi.org/10.4282/sosj.23.2_43
3. Tsukamoto, S., Yoshida, T., Hosono, H., Ohta, T., Yokosawa, H. Hexylitaconic acid: A new inhibitor of p53-HDM2 interaction isolated from a marine-derived fungus, Arthrinium sp. Bioorg. Med. Chem. Lett. 16 (1), 69-71 (2006). https://doi.org/10.1016/j.bmcl.2005.09.052
Reviews
1. Tsukamoto, S. The Search for Inhibitors of the Ubiquitin-proteasome System from Natural Resources for Drug Development. J. Nat. Med. 60 (4), 273-278 (2006). https://doi.org/10.1007/s11418-006-0002-1
2. Tsukamoto, S., Yokosawa, H. Natural Products Inhibiting the Ubiquitin-proteasome Proteolytic Pathway, a Target for Drug Development. Curr. Med. Chem. 13 (7), 745-754 (2006). https://doi.org/10.2174/092986706776055571
2005
1. Tsukamoto, S., Aburatani, M., Yoshida, T., Yamashita, Y., El-beih, A. A., Ohta, T. CYP3A4 Inhibitors Isolated from Licorice. Biol. Pharm. Bull. 28 (10), 2000-2002 (2005). https://doi.org/10.1248/bpb.28.2000
2. Tsukamoto, S., Wakana, T., Koimaru, K. Yoshida, T., Sato, M., Ohta, T. 7-Hydroxy-3-(4-hydroxybenzyl)chroman and Broussonin B: Neurotrophic Compounds, Isolated from Anemarrhena asphodeloides BUNGE, Function as Proteasome Inhibitors. Biol. Pharm. Bull. 28 (9), 1798-1800 (2005). https://doi.org/10.1248/bpb.28.1798
3. Tsukamoto, S., Koimaru, K., Ohta, T. Secomycalolide A: A New Proteasome Inhibitor Isolated from a Marine Sponge of the Genus Mycale. Mar. Drugs 3 (2), 29-35 (2005). https://doi.org/10.3390/md302029
4. Tsukamoto, S., Aburatani, M., Ohta, T. Isolation of CYP3A4 Inhibitors from the Black Cohosh (Cimifunga racemosa). eCAM 2 (2), 223-226 (2005). https://doi.org/10.1093/ecam/neh086
5. Tsukamoto, S., Yamashita, Y., Ohta, T. New Cytotoxic and Antibacterial Compounds Isolated from the Sea Hare, Aplysia kurodai. Mar. Drugs 3 (2), 22-28 (2005). https://doi.org/10.3390/md302022
6. Tsukamoto, S., Hirota, H., Imachi, M., Fujimuro, M., Onuki, H., Ohta, T., Yokosawa, H. Himeic Acid A: A New Ubiquitin-Activating Enzyme Inhibitor Isolated from a Marine-Derived Fungus, Aspergillus sp. Bioorg. Med. Chem. Lett. 15 (1), 191-194 (2005). https://doi.org/10.1016/j.bmcl.2004.10.012
2004
1. Tsukamoto, S., Tomise, K., Aburatani, M., Onuki, H., Hirota, H., Ishiharajima, E., Ohta, T. Isolation of Cytochrome P450 Inhibitors from Strawberry Fruit, Fragaria ananassa. J. Nat. Prod. 67 (11), 1839-1841 (2004). https://doi.org/10.1021/np0400104
2. Tsukamoto, S., Yamashita, Y., Yoshida, T., Ohta, T. Parguerol and Isoparguerol Isolated from the Sea Hare, Aplysia kurodai, Induce Neurite Outgrowth in PC-12 Cells. Mar. Drugs 2 (4), 170-175 (2004). https://doi.org/10.3390/md204170
3. Tsukamoto, S., Yamashita, K., Tane, K., Kizu, R., Ohta, T., Matsunaga, S., Fusetani, N., Kawahara, H., Yokosawa, H. Girolline, an Antitumor Compound Isolated from a Sponge, Induces G2/M Cell Cycle Arrest and Accumulation of Polyubiquitinated p53. Biol. Pharm. Bull. 27 (5), 699-701 (2004). https://doi.org/10.1248/bpb.27.699
4. Tsukamoto, S., Miura, S., Yamashita, Y., Ohta, T. Aspermytin A: A New Neurotrophic Polyketide Isolated from a Marine-derived Fungus of the Genus Aspergillus. Bioorg. Med. Chem. Lett. 14 (2), 417-420 (2004). https://doi.org/10.1016/j.bmcl.2003.10.053
2003
1. Tsukamoto, S., Macabalang, A. D., Nakatani, K., Obara, Y., Nakahata, N., Ohta, T. Tricholomalides A-C, New Neurotrophic Diterpenes from the Mushroom Tricholoma sp. J. Nat. Prod. 66 (12), 1578-1581 (2003). https://doi.org/10.1021/np030140x
2. Tsukamoto, S., Tatsuno, M., van Soest, R. W. M., Yokosawa, H., Ohta, T. New Polyhydroxy Sterols: Proteasome Inhibitors from a Marine Sponge Acanthodendrilla sp. J. Nat. Prod. 66 (9), 1181-1185 (2003). https://doi.org/10.1021/np030120v
3. Tsukamoto, S., Miura, S., van Soest, R. W. M., Ohta, T. Three New Cytotoxic Sesterterpenes from a Marine Sponge Spongia sp. J. Nat. Prod. 66 (3), 438-440 (2003). https://doi.org/10.1021/np020497l
2002
1. Ohta, T., Miyamoto, Y., Maruyama, T., Kiuchi, F., Tsukamoto, S. Localization and Contents of Paradisins, the Most Potent CYP3A4 Inhibitors, in a Grapefruit Citrus paradisii and Grapefruit Juice. Nat. Med. 56 (6), 264-267 (2002).
2. Ohta, T., Maruyama, T., Nagahashi, K., Miyamoto, Y., Hosoi, S., Kiuchi, F., Yamazoe, Y., Tsukamoto, S. Paradisin C: A New CYP3A4 Inhibitor from Grapefruit Juice. Tetrahedron 58 (33), 6631-6635 (2002). https://doi.org/10.1016/S0040-4020(02)00739-1
3. Tsukamoto, S., Tomise, K., Miyakawa, K., Cha, B.-C., Abe, T., Hamada, T., Hirota, H., Ohta, T. CYP3A4 Inhibitory Activity of New Bisalkaloids, Dipiperamides D and E, and Cognate Alkaloids from White Pepper. Bioorg. Med. Chem. 10 (9), 2981-2985 (2002). https://doi.org/10.1016/S0968-0896(02)00130-X
4. Ohta, T., Nagahashi, M., Hosoi, S., Tsukamoto, S. Dihydroxybergamottin Caproate as a Potent and Stable CYP3A4 Inhibitor. Bioorg. Med. Chem. 10 (4), 969-973 (2002). https://doi.org/10.1016/S0968-0896(01)00362-5
5. Tsukamoto, S., Cha, B.-C., Ohta, T. Dipiperamides A, B, and C: bisalkaloids from the white pepper Piper nigrum inhibiting CYP3A4 activity. Tetrahedron 58 (9), 1667-1671 (2002). https://doi.org/10.1016/S0040-4020(02)00048-0
6. Tsukamoto, S., Macabalang, A. D., Abe, T., Hirota, H., Ohta, T. Thelephorin A: a new radical scavenger from the mushroom Thelephora vialis. Tetrahedron 58 (6), 1103-1105 (2002). https://doi.org/10.1016/S0040-4020(01)01214-5
2001
1. Tsukamoto, S., Tane, K., Ohta, T., Matsunaga, S., Fusetani, N., van Soest, R. W. M. Four New Bioactive Pyrrole-derived Alkaloids from the Marine Sponge Axinella brevistyla. J. Nat. Prod. 64 (12), 1576-1578 (2001). https://doi.org/10.1021/np010280b
Book
1. Tsukamoto, S., Kato, H., Hirota, H., Fusetani, N. Lumichrome is a Putative Intrinsic Substance Inducing Larval Metamorphosis in the Ascidian Halocynthia roretzi. The Biology of Asicidians; Sawada, H., Yokosawa, H., Lambert, C. C. Eds.; Springer-Verlag. Tokyo: Tokyo; pp 335-340 (2001).
