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  • 1995-1999  (2)
  • 1950-1954
  • Genetics  (1)
  • Molecular Cell Biology  (1)
  • 1
    ISSN: 0730-2312
    Keywords: Life Sciences ; Molecular Cell Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: This is the second publication of Clinical Development Plans from the National Cancer Institute, Division of Cancer Prevention and Control, Chemoprevention Branch and Agent Development Committee. The Clinical Development Plans summarize the status of promising chemopreventive agents regarding evidence for safety and chemopreventive efficacy in preclinical and clinical studies. They also contain the strategy for further development of these drugs, addressing pharmacodynamics, drug effect measurements, intermediate biomarkers for monitoring efficacy, toxicity, supply and formulation, regulatory approval, and proposed clinical trials. Sixteen new Clinical Development Plans are presented here: curcumin, dehydroepiandrosterone, folic acid, genistein, indole-3-carbinol, perillyl alcohol, phenethyl isothiocyanate, 9-cis-retinoic acid, 13-cis-retinoic acid, l-selenomethionine and 1,4-phenylenebis(methylene)selenocyanate, sulindac sulfone, tea, ursodiol, vitamin A, and (+)-vorozole. The objective of publishing these plans is to stimulate interest and thinking among the scientific community on the prospects for developing these and future generations of chemopreventive drugs. © 1997 Wiley-Liss, Inc.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0749-503X
    Keywords: Saccharomyces cerevisiae ; YAP3 ; KEX2 ; recombinant human albumin ; protease degradation ; Life and Medical Sciences ; Genetics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology
    Notes: Expression of recombinant human albumin (rHA) in Saccharomyces cerevisiae resulted in secretion of both mature albumin and a 45 kDa degradation product, comprising an N-terminal fragment of rHA with heterogeneous C-termini between residues 403 and 409 (Geisow et al., 1991). Site-directed mutagenesis of the human albumin gene (HA) to change Arg410 to Ala (R410A) caused a significant reduction in the amount of fragment produced. Mutation of the adjacent dibasic site Lys413 Lys414 had little effect in isolation, but in combination with the R410A mutation resulted in a further reduction in the amount of rHA fragment produced. This reduction could be duplicated with nature-identical rHA by disruption of the gene for an aspartyl protease (YAP3), alone or in conjunction with disruption of the KEX2 gene. Disruption of KEX2 alone did not result in any improvement in the degree of degradation of the rHA. Reduced degradation was also observed when an rHA-human growth hormone fusion protein was secreted from a yap3 strain, suggesting that such strains may have a general utility for heterologous protein secretion. © 1998 John Wiley & Sons, Ltd.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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