Now showing items 1-20 of 39

    • Method for the conversion of cephalomannine to taxol and for the preparation of n-acyl analogs of taxol 

      Chemistry; Center for Drug Discovery; Virginia Polytechnic Institute and State University; Kingston, David G. I.; Molinero, Anthony A.; Gunatilaka, A. Leslie (United States Patent and Trademark Office, 1995-11-28)
      The natural product cephalomannine can be converted to the important anticancer natural product taxol by a simple process involving the steps of dihydroxylation to give cephalomannine-diols, diol cleavage, benzoylation at ...
    • Crystal structure of the MACPF domain of human complement protein C8 alpha in complex with the C8 gamma subunit 

      Slade, Daniel J.; Lovelace, Leslie L.; Chruszcz, Maksymilian; Minor, Wladek; Lebioda, Lukasz; Sodetz, James M. (Academic Press Ltd Elsevier Science Ltd, 2008-05-29)
      Human C8 is one of five complement components (C5b, C6, C7, C8 and C9) that assemble on bacterial membranes to form a pore-like structure referred to as the "membrane attack complex" (MAC). C8 contains three genetically ...
    • Fluorescence Polarization Binding Assay for Aspergillus fumigatus Virulence Factor UDP-Galactopyranose Mutase 

      Qi, Jun; Oppenheimer, Michelle; Sobrado, Pablo (Hindawi, 2011-08-21)
      Aspergillus fumigatus is an opportunistic human pathogenic fungus responsible for deadly lung infections in immunocompromised individuals. Galactofuranose (Galf) residues are essential components of the cell wall and play ...
    • Genetic Reporter System for Positioning of Proteins at the Bacterial Pole 

      Fixen, Kathryn R.; Janakiraman, Anuradha; Garrity, Sean; Slade, Daniel J.; Gray, Andrew N.; Karahan, Nilay; Hochschild, Ann; Goldberg, Marcia B. (2012)
      Spatial organization within bacteria is fundamental to many cellular processes, although the basic mechanisms underlying localization of proteins to specific sites within bacteria are poorly understood. The study of protein ...
    • Activation of PAD4 in NET formation. 

      Rohrbach, Amanda S.; Slade, Daniel J.; Thompson, Paul R.; Mowen, Kerri A. (2012)
      Peptidylarginine deiminases, or PADs, convert arginine residues to the non-ribosomally encoded amino acid citrulline in a variety of protein substrates. PAD4 is expressed in granulocytes and is essential for the formation ...
    • Peptidylarginine deiminase 2-catalyzed histone H3 arginine 26 citrullination facilitates estrogen receptor alpha target gene activation 

      Zhang, Xuesen; Bolt, Michael; Guertin, Michael J.; Chen, Wei; Zhang, Sheng; Cherrington, Brian D.; Slade, Daniel J.; Dreyton, Cchristina J.; Subramanian, Venkataraman; Bicker, Kevin L.; Thompson, Paul R.; Mancini, Michael A.; Lis, John T.; Coonrod, Scott A. (2012-08-14)
      Cofactors for estrogen receptor α (ERα) can modulate gene activity by posttranslationally modifying histone tails at target promoters. Here, we found that stimulation of ERα-positive cells with 17β-estradiol (E2) promotes ...
    • Identification of a novel mitochondrial uncoupler that does not depolarize the plasma membrane 

      Kenwood, Brandon M.; Weaver, Janelle L.; Bajwa, Amandeep; Poon, Ivan K.; Byrne, Frances L.; Murrow, Beverley A.; Calderone, Joseph A.; Huang, Liping; Divakaruni, Ajit S.; Tomsig, Jose L.; Okabe, Kohki; Lo, Ryan H.; Coleman, G. Cameron; Columbus, Linda; Yan, Zhen; Saucerman, Jeffrey J.; Smith, Jeffrey S.; Holmes, Jeffrey W.; Lynch, Kevin R.; Ravichandran, Kodi S.; Uchiyama, Seiichi; Santos, Webster L.; Rogers, George W.; Okusa, Mark D.; Bayliss, Douglas A.; Hoehn, Kyle L. (Elsevier, 2013)
      Dysregulation of oxidative phosphorylation is associated with increased mitochondrial reactive oxygen species production and some of the most prevalent human diseases including obesity, cancer, diabetes, neurodegeneration, ...
    • Learning Chemistry from Bacteria 

      Clardy, Jon (2013-12-17)
      Dr. Jon Clardy Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Harvard University All animals, including humans, originated and evolved on a planet already teeming with bacteria, and ...
    • Chemical and Biological Methods to Detect Post-Translational Modifications of Arginine 

      Slade, Daniel J.; Subramanian, Venkataraman; Fuhrmann, Jakob; Thompson, Paul R. (2014-02)
      Posttranslational modifications (PTMs) of protein embedded arginines are increasingly being recognized as playing an important role in both prokaryotic and eukaryotic biology, and it is now clear that these PTMs modulate ...
    • Citrulination unravels stem cells 

      Slade, Daniel J.; Subramanian, Venkataraman; Thompson, Paul R. (2014-05)
      Maintenance of the pluripotent stem cell state is regulated by the post-translational modification of histones. The discovery that citrullination of the linker histone H1 is critical to this
    • Nitrogen-Containing Dimeric nor-Multiflorane Triterpene from a Turraea sp. 

      Rasamison, Vincent E.; Rakotondraibe, L. Harinantenaina; Slebodnick, Carla; Brodie, Peggy J.; Ratsimbason, Michael; TenDyke, Karen; Shen, Yongchun; Randrianjanaka, Lucien M.; Kingston, David G. I. (Amer Chemical Soc, 2014-05-16)
      The new triterpene turranoic acid (1) and thenew N-containing nor-triterpene turraenine (2), along with triptocallic acid B (3) and esculentoic acid (4) were isolated from leaves of a Turraea sp. Compounds 1-3 showed weak ...
    • A novel role for protein arginine deiminase 4 in pluripotency: The emerging role of citrullinated histone H1 in cellular programming 

      Slade, Daniel J.; Horibata, Sachi; Coonrod, Scott A.; Thompson, Paul R. (2014-08)
      Histone post-translational modifications (PTM) alter the chromatin architecture, generating ‘open’ and ‘closed’ states, and these structural changes can modulate gene expression under specific cellular conditions. While ...
    • The Quest for a Simple Bioactive Analog of Paclitaxel as a Potential Anticancer Agent 

      Kingston, David G. I.; Snyder, J. P. (Amer Chemical Soc, 2014-08-01)
    • Inhibition of PAD4 activity is sufficient to disrupt mouse and human NET formation. 

      Lewis, Huw D.; Liddle, John; Coote, Jim E.; Atkinson, Stephen J.; Barker, Michael D.; Bax, Benjamin D.; Bicker, Kevin L.; Bingham, Ryan P.; Campbell, Matthew; Chen, Yu Hua; Chung, Chun-wa; Craggs, Peter D.; Davis, Rob P.; Eberhard, Dirk; Joberty, Gerard; Lind, Kenneth E.; Locke, Kelly; Maller, Claire; Martinod, Kimberly; Patten, Chris; Polyakova, Oxana; Rise, Cecil E.; Rüdiger, Martin; Sheppard, Robert J.; Slade, Daniel J.; Thomas, Pamela; Thorpe, Jim; Yao, Gang; Drewes, Gerard; Wagner, Denisa D.; Thompson, Paul R.; Prinjha, Rab K.; Wilson, David M. (2015-03)
      PAD4 has been strongly implicated in the pathogenesis of autoimmune, cardiovascular and oncological diseases through clinical genetics and gene disruption in mice. New selective PAD4 inhibitors binding a calcium-deficient ...
    • A rapid and high content assay that measures cyto-ID-stained autophagic compartments and estimates autophagy flux with potential clinical applications 

      Guo, Sujuan; Liang, Yanping; Murphy, Susan F.; Huang, Angela; Shen, Haihong; Kelly, Deborah F.; Sobrado, Pablo; Sheng, Zhi (Taylor & Francis Inc, 2015-03-01)
      The lack of a rapid and quantitative autophagy assay has substantially hindered the development and implementation of autophagy-targeting therapies for a variety of human diseases. To address this critical issue, we developed ...
    • Protein Arginine Deiminase 2 Binds Calcium in an Ordered Fashion: Implications for Inhibitor Design 

      Slade, Daniel J.; Fang, Pengfei; Dreyton, Christina J.; Zhang, Ying; Fuhrmann, Jakob; Rempel, Don; Bax, Benjamin D.; Coonrod, Scott A.; Lewis, Huw D.; Guo, Min; Gross, Michael L.; Thompson, Paul R. (Amer Chemical Soc, 2015-04-01)
      Protein arginine deiminases (PADs) are calcium-dependent histone-modifying enzymes whose activity is dysregulated in inflammatory diseases and cancer. PAD2 functions as an Estrogen Receptor (ER) coactivator in breast cancer ...
    • HIV-1 drug discovery: targeting folded RNA structures with branched peptides 

      Wynn, Jessica E.; Santos, Webster L. (The Royal Society of Chemistry, 2015-04-28)
      Human immunodeficiency virus type 1 (HIV-1) is an RNA virus that is prone to high rates of mutation. While the disease is managed with current antiretroviral therapies, drugs with a new mode of action are needed. A strategy ...
    • Transition metal diamine complexes with antimicrobial activity against Staphylococcus aureus and methicillin-resistant S. aureus (MRSA) 

      Karpin, George W.; Morris, David M.; Ngo, Mai T.; Merola, Joseph S.; Falkinham, Joseph O. III (Royal Society of Chemistry, 2015-06)
      Pentaalkylcyclopentadienyl (Cp*R) iridium (Ir) and cobalt (Co) 1,2-diamine complexes were synthesized. Susceptibility of Staphylococcus aureus and recent patient methicillin-resistant S. aureus (MRSA) isolates to the ...
    • Antimalarial 5,6-Dihydro-alpha-pyrones from Cryptocarya rigidifolia: Related Bicyclic Tetrahydro-alpha-Pyrones Are Artifacts 

      Liu, Yixi; Rakotondraibe, L. Harinantenaina; Brodie, Peggy J.; Wiley, Jessica D.; Cassera, Maria B.; Miller, James S.; Ratovoson, F.; Rakotobe, Etienne; Rasamison, Vincent E.; Kingston, David G. I. (Amer Chemical Soc, 2015-06-01)
    • Antiproliferative Compounds from Cleistanthus boivinianus from the Madagascar Dry Forest 

      Liu, Yixi; Young, Kelly; Rakotondraibe, L. Harinantenaina; Brodie, Peggy J.; Wiley, Jessica D.; Cassera, Maria B.; Callmander, Martin W.; Rakotondrajaona, R.; Rakotobe, Etienne; Rasamison, Vincent E.; TenDyke, Karen; Shen, Yongchun; Kingston, David G. I. (Amer Chemical Soc, 2015-07-01)