نتایج جستجو برای: vinca herbacea extract
تعداد نتایج: 177882 فیلتر نتایج به سال:
Increased abundance of βII- and βIII-tubulin isotypes in cancer cells confers resistance to vinca and taxoid site drugs; however, the role of these isotypes in the acquired resistance of cancer cells to non-vinca or non-taxoid site binding agents has not been described. Peloruside A (PLA) and laulimalide are the only known non-taxoid site microtubule-stabilizing agents. A human ovarian cancer c...
Vincristine, an alkaloid of periwinkle plant (vinca) used in the treatment of various malignancies. The experimental group included 36 male wistar albino rats. The animals were divided into four groups of nine animals each. The animals received same dose of vincristine 1 mg/kg b.w. given intragastrically through a ne rubber catheter reaching lower third of oesophagus. Equal number of controls ...
The marine sponge Dysidea herbacea collected from Indonesia yielded four new polybrominated diphenyl ether congeners 2-5 and the known derivatives 1, 6, and 7. The structures of the new compounds were unambiguously established on the basis of NMR spectroscopic (1H, 13C, COSY, 1H-detected direct and long-range 13C-1H correlations) and mass spectrometric (EIMS) data. All of the compounds were act...
Forest weeds were not considered to be a major management problem in Hawai'i until the latter quarter of the last century. Most previous biological control programs in the state were against agricultural pests. An interagency committee (U.S.D.A. Forest Service, National Park Service, Hawai'i Department of Agriculture, Hawai'i Division of Forestry and Wildlife, and the University of Hawai'i) was...
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