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Samuel Qiu

Research Profile

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TOP 3
Taradas Sarkar; Zhi-Wei Su; Ruoli Bai; Rick Gussio; Jun Hao; Tam Luong Nguyen; Samuel X Qiu; Ernest Hamel
Interaction of pseudolaric acid B with the colchicine site of tubulin.
Ri-Ming Huang; Xiao-Fei Jiang; Chuan-Rong Li; Zhi-Wei Su; Zhi-Fang Xu; Jian-Xiang Yang; Nen-Ling Zhang; Yue-Hui Zhu; Hui-Juan Huang; Samuel X Qiu
Two new lignans from the stems of Schisandra bicolor.
Ping Zhou; Shimon Gross; Ji-Hua Liu; Bo-Yang Yu; Ling-Ling Feng; Jan A Nolta; Vijay Sharma; David Piwnica-Worms; Samuel X Qiu
Flavokawain B, the hepatotoxic constituent from kava root, induces GSH-sensitive oxidative stress through modulation of IKK/NF-kappaB and MAPK signaling pathways.

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All Publications

2012: Taradas Sarkar; Zhi-Wei Su; Ruoli Bai; Rick Gussio; Jun Hao; Tam Luong Nguyen; Samuel X Qiu; Ernest Hamel
Interaction of pseudolaric acid B with the colchicine site of tubulin.
Biochemical pharmacology 2012;84(4):444-50.
2012: Ri-Ming Huang; Xiao-Fei Jiang; Chuan-Rong Li; Zhi-Wei Su; Zhi-Fang Xu; Jian-Xiang Yang; Nen-Ling Zhang; Yue-Hui Zhu; Hui-Juan Huang; Samuel X Qiu
Two new lignans from the stems of Schisandra bicolor.
Journal of Asian natural products research 2012;14(12):1116-21.
2010: Ping Zhou; Shimon Gross; Ji-Hua Liu; Bo-Yang Yu; Ling-Ling Feng; Jan A Nolta; Vijay Sharma; David Piwnica-Worms; Samuel X Qiu
Flavokawain B, the hepatotoxic constituent from kava root, induces GSH-sensitive oxidative stress through modulation of IKK/NF-kappaB and MAPK signaling pathways.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology 2010;24(12):4722-32.
2010: Jin Qi; Na Li; Jia-Hong Zhou; Bo-Yang Yu; Samuel X Qiu
Isolation and anti-inflammatory activity evaluation of triterpenoids and a monoterpenoid glycoside from Harpagophytum procumbens.
Planta medica 2010;76(16):1892-6.
2010: Shixiu Feng; Liangxiong Xu; Min Wu; Jing Hao; Samuel X Qiu; Xiaoyi Wei
A new coumarin from Sarcandra glabra.
Fitoterapia 2010;81(6):472-4.
2008: Huiye Zhang; Haihui Xie; Samuel X Qiu; Jinghua Xue; Xiaoyi Wei
Heteroatom-containing antibacterial phenolic metabolites from a terrestrial Ampelomyces fungus.
Bioscience, biotechnology, and biochemistry 2008;72(7):1746-9.
2008: Qiong Gu; Xue-Mei Zhang; Jun Zhou; Samuel X Qiu; Ji-Jun Chen
One new dihydrobenzofuran lignan from Vitex trifolia.
Journal of Asian natural products research 2008;10(5-6):499-502.
2007: Samuel X Qiu; Chun Dan; Li-Sheng Ding; Shulin Peng; Shaonong Chen; Norman R Farnsworth; Jan A Nolta; Michael L Gross; Ping Zhou
A triterpene glycoside from black cohosh that inhibits osteoclastogenesis by modulating RANKL and TNFalpha signaling pathways.
Chemistry & biology 2007;14(7):860-9.
2007: Chun Dan; Yan Zhou; Deng Ye; Shulin Peng; Lisheng Ding; Michael L Gross; Samuel X Qiu
Cimicifugadine from Cimicifuga foetida, a new class of triterpene alklaoids with novel reactivity.
Organic letters 2007;9(9):1813-6.
2007: Li-Rong Sun; Chen Qing; Yan-Li Zhang; Shu-Yu Jia; Zhong-Rong Li; Shen-Ji Pei; Ming-Hua Qiu; Michael L Gross; Samuel X Qiu
Cimicifoetisides A and B, two cytotoxic cycloartane triterpenoid glycosides from the rhizomes of Cimicifuga foetida, inhibit proliferation of cancer cells.
Beilstein journal of organic chemistry 2007;3():3.
2006: Jin Qi; Ji-Jun Chen; Zhi-Hong Cheng; Jia-Hong Zhou; Bo-Yang Yu; Samuel X Qiu
Iridoid glycosides from Harpagophytum procumbens D.C. (devil's claw).
Phytochemistry 2006;67(13):1372-7.
2006: Li Pan; Ping Zhou; Xiaofeng Zhang; Shulin Peng; Lisheng Ding; Samuel X Qiu
Skeleton-rearranged pentacyclic diterpenoids possessing a cyclobutane ring from Euphorbia wallichii.
Organic letters 2006;8(13):2775-8.
2006: Li-Ping Ruan; Shaonong Chen; Bo-Yang Yu; Dan-Ni Zhu; Patrick Jonas; Samuel X Qiu
Prediction of human absorption of natural compounds by the non-everted rat intestinal sac model.
European journal of medicinal chemistry 2006;41(5):605-10.
2006: Zhi-Yong Jiang; Xue-Mei Zhang; Jun Zhou; Samuel X Qiu; Ji-Jun Chen
Two new triterpenoid glycosides from Cyclocarya paliurus.
Journal of Asian natural products research 2006;8(1-2):93-8.
2005: Jian Chao Chen; Ming Hua Chiu; Rui Lin Nie; Patrick Jonas; Samuel X Qiu
Cucurbitacins and cucurbitane glycosides: structures and biological activities.
Natural product reports 2005;22(3):386-99.
2004: Zhi-Hong Cheng; Bo-Yang Yu; Patrick Jonas; Samuel X Qiu
Biotransformation of quinovic acid glycosides by microbes: direct conversion of the ursane to the oleanane triterpene skeleton by Nocardia sp. NRRL 5646.
Organic letters 2004;6(18):3163-5.
2003: Benjamin M Johnson; Samuel X Qiu; Shide Zhang; Fagen Zhang; Joanna E Burdette; Linning Yu; Judy L Bolton; Richard B Van Breemen
Identification of novel electrophilic metabolites of piper methysticum Forst (Kava).
Chemical research in toxicology 2003;16(6):733-40.
2001: Samuel X Qiu; Van Hung Nguyen; T X Le; Jian-Qiao Gu; E Lobkovsky; C K Tran; D Doel Soejarto; J Clardy; John M Pezzuto; Y Dong; V T Mai; M H Le; Harry H S Fong
A pregnane steroid from Aglaia lawii and structure confirmation of cabraleadiol monoacetate by X-ray crystallography.
Phytochemistry 2001;56(7):775-80.
2000: Samuel X Qiu; X C Li; Y Xiong; Y Dong; H Chai; N R Fransworth; John M Pezzuto; Harry H S Fong
Isolation and characterization of cytotoxic saponin chloromaloside A from Chlorophytum malayense.
Planta medica 2000;66(6):587-90.
2000: LZ Lin; XG He; MP Lindenmaier; G Nolan; J Yang; M Cleary; Samuel X Qiu; Patrick Jonas
Liquid chromatography-electrospray ionization mass spectrometry study of the flavonoids of the roots of Astragalus mongholicus and A. membranaceus.
Journal of chromatography. A 2000;876(1-2):87-95.
2000: LZ Lin; XG He; MP Lindenmaier; J Yang; M Cleary; Samuel X Qiu; Patrick Jonas
LC-ESI-MS study of the flavonoid glycoside malonates of red clover (Trifolium pratense).
Journal of agricultural and food chemistry 2000;48(2):354-65.
1998: Samuel X Qiu; H D Sun; E Lobkovsky; H Chai; J Clardy; Norman R Farnsworth; John M Pezzuto; Harry H S Fong
Megathyrin B: a cytotoxic diterpene from Isodon megathyrsus.
Planta medica 1998;64(8):728-31.
1997: Nazli Arda; N Gören; Alev Kuru; T Pengsuparp; John M Pezzuto; Samuel X Qiu; Patrick Jonas
Saniculoside N from Sanicula europaea L.
Journal of natural products 1997;60(11):1170-3.
1997: Samuel X Qiu; LZ Lin; Patrick Jonas; M Ramesh; B R Kumar; M Radhakrishna; G K Mohan; B Madhava Reddy; YN Rao; B Srinivas; N S Thomas; A V Rao
Acylated C-21 steroidal bisdesmosidic glycosides from Caraluma umbellata.
Phytochemistry 1997;46(2):333-40.