Recent articles

Fujikawa, A., Ishihara, Y., Ohta, E., Nehira, T., Omura, H., Uy, M.M., Ohta, S. (2022) Isolation of Fluorescent Benzoxazines with Neuroprotective Activity from the Olive Weevil Pimelocerus perforatus. J. Nat. Prod., 85, 2740-2745. doi.org/10.1021/acs.jnatprod.0c00574. [Front cover of the article]

Higashi, R., Ohta, E., Omura, H., Uy, M.M., Ohta, S. (2022) Triterpenoid saponins from the fruits of Symplocos lucida as ѓА-glucuronidase inhibitors. Chem. Biodiversity., 19, e202200774 (7 pages). doi.org/10.1002/cbdv.202200774.

Higashi, R., Ohta, E., Nehira, T., Omura, H., Uy, M.M., Ohta, S. (2022) Acylated secoiridoid glucosides isolated from the fruit extract of Symplocos lucida inhibit ѓА-glucuronidase. Phytochemistry Lett., 51, 127-131. doi.org/10.1016/j.phytol.2022.08.008.

Ohta, S., Takeda, M., Ohta, E., Nehira, T., Omura, H., Uy, M.M., Ishihara, Y. (2021) Janohigenins: Long-chain anacardic acid derivatives with neuroprotective activity from Ophiopogon japonicus seeds. Phytochemistry, 191, 112904. doi.org/10.1016/j.phytochem.2021.112904.

Elshamy, A. I., Mohamed, T. A., Elkady, E. M., Saleh, I. A., El-Beih, A. A., Alhammady, M. A., Ohta, S., Umeyama, A., Pare, P. W., Hegazy, M. F. (2021) Paralemnolins X and Y, New Antimicrobial Sesquiterpenoids from the Soft Coral Paralemnalia thyrsoide. Antibiotics, 19, 1158 (8 pages). doi.org/10.3390/antibiotics10101158.

Mohamed, T. A., Elshamy, A. I., Abdel-Tawab, A. M., AbdelMohsen, M. M., Ohta, S., Pare, P. W., Hegazy, M. F. (2021) Oxygenated cembrene diterpenes from Sarcophyton convolutum: cytotoxic sarcoconvolutum A-E. Marine Drugs, 19, 519 (10 pages). doi.org/10.3390/md19090519.

Ohta, S., Oshimo, S., Ohta, E., Nehira, T., Omura, H., Uy, M.M., Ishihara, Y. (2020) Asaroidoxazines from the roots of Asarum asaroides induce apoptosis in human neuroblastoma cells. J. Nat. Prod., 83, 3050-3057. doi.org/10.1021/acs.jnatprod.0c00574. [Cover picture of the article] [Accepted version]

Mohamed, T. A., Elshamy, A. I., Ibrahim, M.A.A., Zellagui, A., Moustafa, M. F., Abdelrahman, A. H. M., Ohta, S., Pare, P. W., Hegazy, M. F. (2020) Carotane sesquiterpenes from Ferula vesceritensis: in silico analysis as SARS-CoV-2 binding inhibitors. RSC Advances, 10, 34541-34545.

Uyama, Y., Ohta, E., Harauchi, Y., Nehira, T., Omura, H., Kawachi, H., Imamura-Jinda, A., Uy, M.M., Ohta, S. (2020) Rare sulfated purine alkaloid glycosides from Bruchidius dorsalis pupal case. Phytochemistry Lett., 35, 10-14. doi.org/10.1016/j.phytol.2019.10.008. [Accepted version]

Ohta, S., Yuasa, Y., Aoki, N., Ohta, E., Nehira, T., Omura, H., Uy, M.M. (2019) Norbisabolane and bisabolane sesquiterpenoids from the seeds of Angelica keiskei. Phytochemistry Lett., 33, 94-101. doi.org/10.1016/j.phytol.2019.08.006. [Accepted version]

Hegazy, M. F., Mohamed, T. A., Elshamy, A. I., Hamed, A. R., Ibrahim, M.A.A., Hussien, T., Ohta, S., Umeyama, A., Pare, P. W., Effort, T. (2019) Sarcoehrenbergilid D-F: cytotoxic cembrene diterpenoids from the soft coral Sarcophyton ehrenbergi. RSC Advances, 9, 27183-27189.

Akihara, Y., Kamikawa, S., Harauchi, Y., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2018) Hydroxylated furanoditerpenoids from pupal cases produced by the bruchid beetle Sulcobruchus sauteri inside the seeds of Caesalpinia decapetala. Phytochemistry, 156, 151-158. doi.org/10.1016/j.phytochem.2018.09.007. [Accepted version]

Harauchi, Y., Muranaka, K., Ohta, E., Kawachi, H., Imamura-Jinda, A., Nehira, T., Omura, H., Ohta, S. (2018) Sulfated Purine Alkaloid Glycosides from the Pupal Case Built by the Bruchid Beetle Bruchidius dorsalis Inside the Seed of Gleditsia japonica. Chem. Biodiversity, 15, e1800154 (7 pages). doi.org/10.1002/cbdv.201800154. [Front Cover of the article] [Accepted version]

Suzuki, M., Nakamura, , F., Taguchi, E., Nakata, M., Wada, F., Takihi, M., Inoue, T., Ohta, S., Kawachi., H. (2018) 4ЃЊ,6-Dimethoxyisoflavone-7-O-ѓА-D-glucopyranoside (wistin) is a peroxisome proliferator-activated receptor ѓї (PPARѓї) agonist in mouse hepatocytes. Mol. Cell. Biochem., 446, 35-41. doi.org/10.1016/j.phytochem.2018.09.007. [Accepted version]

Hegazy, M. F., Hamed, R. H., Elshamy, A. I., Hussien, T. A., Abdelfatah, S., Ohta, S., Pare, P. W., Abdel-Sattar, E., Efferth, T. (2018) Cytotoxicity of abietane diterpenoids from Salvia multicaulis towards multidrug-resistant cancer cells. Fitoterapia, 130, 54-60. doi.org/10.1016/j.fitote.2018.08.002. [Accepted version]

Latayada, F. S., Uy, M. M., Akihara, Y., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2017) Ficusnotins A-F: Rare diarylbutanoids from the leaves of Ficus nota. Phytochemistry, 141, 98-104.

Hegazy, M. F., Elshamy, A. I., Mohamed, T. A., Hamed, A. R., Ibrahim, M. A. A., Ohta, S., Pare, P. W. (2017) Cembrene diterpenoids with ether linkages from Sarcophyton ehrenbergi: An anti-proliferation and molecular-docking assessment. Marine Drugs, 15, 192 (14 pages).

Harauchi, Y., Kajimoto, T., Ohta, E., Kawachi, H., Imamura-Jinda, A., Ohta, S. (2017) Prenylated purine alkaloids from seeds of Gleditsia japonica. Phytochemistry, 143, 145-150.

Akihara, Y., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2017) New prenylated ortho-dihydroxycoumarins from the fruits of Ficus nipponica. Chem. Biodiversity, 14, e1700196 (6 pages).

Latayada, F. S., Uy, M. M., Akihara, Y., Ohta, E., Ohta, S. (2017) Two new C11-terpenes with an octahydrobenzofuran skeleton isolated from the leaves of Ficus nota. Phytochemistry Lett., 19, 237-240.

Kamikawa, S., Oshimo, S., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2016) Cassane diterpenoids from the roots of Caesalpinia decapetala var. japonica and structure revision of caesaljapin. Phytochemistry, 121, 50-57.

Kamikawa, S., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2016) Structure revision of caesalpinista A and caesalpinista B and isolation of a new furanoditerpenoid from the cotyledons of Caesalpinia decapetala var. japonica. Helv. Chim. Acta, 99, 133-137.

Hegazy, M. F., Mohamed, T. A., Elshamy, A. I., Alhammady, M. A., Ohta, S., Pare, P. W. (2016) Casbane diterpenes from Red Sea coral Sinularia polydactyla. Molecules, 21, 308-315.

Elkhateeb, A., El-Beih, A. A., Eldeen, A. M. G., Alhammady, M. A., Ohta, S., Pare, P. W., Hegazy, M. F. (2014) New terpenes from the Egyptian soft coral Sarcophyton ehrenbergi. Marine Drugs, 12, 1977-1986.

Ѓ@Return to Top page