• Advances in Anion Receptor Chemistry 

      Chen, Lijun; Berry, Stuart N.; Wu, Xin; Howe, Ethan N.W.; Gale, Philip A.
      Published 2020
      This review covers advances in anion complexation in the years 2017 and 2018. The review focuses on the applications of anion receptor chemistry, including sensing, self-assembly, extraction, transport, catalysis, and ...
      Article
    • Anion carriers as potential treatments for cystic fibrosis: transport in cystic fibrosis cells, and additivity to channel-targeting drugs† 

      Li, Hongyu; Valkenier, Hennie; Thorne, Abigail G.; Dias, Christopher M.; Cooper, James A.; Kieffer, Marion; Busschaert, Nathalie; Gale, Philip A.; Sheppard, David N.; Davis, Anthony P.
      Published 2019-10-01
      Defective anion transport is a hallmark of the genetic disease cystic fibrosis (CF). One approach to restore anion transport to CF cells utilises alternative pathways for transmembrane anion transport, including artificial ...
      Open Access
      Article
    • Anion receptor chemistry: Highlights from 2016 

      Gale, Philip A.; Howe, Ethan N.W.; Wu, Xin; Spooner, Michael J.
      Published 2018-02-01
      This review covers recent advances in anion receptor chemistry from 2016, including developments in self-assembly, sensing, anion separation, transport, catalysis and fundamental advances in anion recognition systems.
      Open Access
      Article
    • Anion transport and supramolecular medicinal chemistry 

      Gale, Philip A.; Davis, Jeffery T.; Quesada, Roberto
      Published 2017-01-01
      New approaches to the transmembrane transport of anions are discussed in this review. Advances in the design of small molecule anion carriers are reviewed in addition to advances in the design of synthetic anion channels. ...
      Open Access
      Article
    • Anion transport by ortho-phenylene bis-ureas across cell and vesicle membranes 

      Dias, Christopher M.; Li, Hongyu; Valkenier, Hennie; Karagiannidis, Louise E.; Gale, Philip A.; Sheppard, David N.; Davis, Anthony P.
      Published 2017-12-01
      Ortho-Phenylene bis-ureas serve as anionophores in cells expressing halide-sensitive yellow fluorescent protein, as well as in synthetic vesicles. Activities can reach high levels, and are strongly dependent on the ...
      Open Access
      Article
    • Cyclic peptide unguisin A is an anion receptor with high affinity for phosphate and pyrophosphate 

      Ariawan, A. Daryl; Webb, James E.A.; Howe, Ethan N.W.; Gale, Philip A.; Thordarson, Pall; Hunter, Luke
      Published 2017-02-01
      Unguisin A (1) is a marine-derived, GABA-containing cyclic heptapeptide. The biological function of this flexible macrocycle is obscure. Here we show that compound 1 lacks any detectable activity in antimicrobial growth ...
      Open Access
      Article
    • Design of Chiral Supramolecular Polymers Exhibiting a Negative Nonlinear Response 

      Chen, Xuan-Xuan; Lin, Xiao-Yan; Wu, Xin; Gale, Philip A.; Anslyn, Eric V.; Jiang, Yun-Bao
      Published 2019
      Many synthetic and supramolecular chiral polymeric systems are known to exhibit the “majority rules effect” (MRE), a positive nonlinear response in which a small enantiomeric excess (ee) of the chiral building blocks leads ...
      Open Access
      Article
    • Dissecting the chloride–nitrate anion transport assay 

      Yang, Yufeng; Wu, Xin; Busschaert, Nathalie; Furuta, Hiroyuki; Gale, Philip A.
      Published 2017-07-01
      A systematic study of chloride vs. nitrate selectivity across six anion transporters has revealed a good correlation between the selectivities of their anion binding and membrane transport properties. This work reveals the ...
      Open Access
      Article
    • Fatty Acid Fueled Transmembrane Chloride Transport 

      Howe, Ethan N.W.; Gale, Philip A.
      Published 2019-06-21
      Generation of chemical gradients across biological membranes of cellular compartments is a hallmark of all living systems. Here we report a proof-of-concept prototype transmembrane pumping system in liposomes. The pump ...
      Open Access
      Article
    • Fluorescent squaramides as anion receptors and transmembrane anion transporters 

      Bao, Xiaoping; Wu, Xin; Berry, Stuart N.; Howe, Ethan N.W.; Chang, Young-Tae; Gale, Philip A.
      Published 2018-01-01
      A series of squaramide-based anion transporters functionalised with the 1,8-naphthalimide fluorophore has been developed for improved ionophoric activity and fluorescent imaging in cells.
      Open Access
      Article
    • Fluorinated synthetic anion carriers: experimental and computational insights into transmembrane chloride transport 

      Spooner, Michael J.; Li, Hongyu; Marques, Igor; Costa, Pedro M.R.; Wu, Xin; Howe, Ethan N.W.; Busschaert, Nathalie; Moore, Stephen J.; Light, Mark E.; Sheppard, David N.; Gale, Philip A.
      Published 2018-01-01
      A series of fluorinated tripodal tris-thioureas function as highly active anion transporters across lipid bilayers and cell membranes. Here, we investigate their mechanism of action using anion transport assays in cells ...
      Open Access
      Article
    • Fluorinated tripodal receptors for potentiometric chloride detection in biological fluids 

      Pankratova, Nadezda; Cuartero, Maria; Jowett, Laura A.; Howe, Ethan N.W.; Gale, Philip A.; Bakker, Eric; Crespo, Gastón A.
      Published 2017-07-01
      Fluorinated tripodal compounds were recently reported to be efficient transmembrane transporters for a series of inorganic anions. In particular, this class of receptors has been shown to be suitable for the effective ...
      Open Access
      Article
    • Full elucidation of the transmembrane anion transport mechanism of squaramides using in silico investigations 

      Marques, Igor; Costa, Pedro M.R.; Miranda, Margarida Q.; Busschaert, Nathalie; Howe, Ethan N.W.; Clarke, Harriet J.; Haynes, Cally J.E.; Kirby, Isabelle L.; Rodilla, Ananda M.; Pérez-Tomás, Ricardo; Gale, Philip A.; Félix, Vítor
      Published 2018-01-01
      A comprehensive experimental and theoretical investigation of the transmembrane chloride transport promoted by four series of squaramide derivatives, with different degrees of fluorination, number of convergent N–H binding ...
      Open Access
      Article
    • Full elucidation of the transmembrane anion transport mechanism of squaramides using in silico investigations 

      Marques, Igor; Costa, Pedro M.R.; Miranda, Margarida Q.; Busschaert, Nathalie; Howe, Ethan N.W.; Clarke, Harriet J.; Haynes, Cally J.E.; Kirby, Isabelle L.; Rodilla, Ananda M.; Pérez-Tomás, Ricardo; Gale, Philip A.; Félix, Vítor
      Published 2018-06-29
      A comprehensive experimental and theoretical investigation of the transmembrane chloride transport promoted by four series of squaramide derivatives, with different degrees of fluorination, number of convergent N–H binding ...
      Open Access
      Article
    • Hydroquinone-Based Anion Receptors for Redox-Switchable Chloride Binding 

      McNaughton, Daniel A.; Fu, Xiaochen; Lewis, William; D'Alessandro, Deanna M.; Gale, Philip A.
      Published 2019-07-11
      A series of chloride receptors has been synthesized containing an amide hydrogen bonding site and a hydroquinone motif. It was anticipated that oxidation of the hydroquinone unit to quinone would greatly the diminish ...
      Open Access
      Article
    • Indole-based perenosins as highly potent HCl transporters and potential anti-cancer agents 

      Jowett, Laura A.; Howe, Ethan N.W.; Soto-Cerrato, Vanessa; Van Rossom, Wim; Pérez-Tomás, Ricardo; Gale, Philip A.
      Published 2017-01-01
      Prodigiosin is one of the most potent anion transporters in lipid bilayer membranes reported to date. Inspired by the structure of this natural product, we have recently designed and synthesised a new class of H+/Cl− ...
      Open Access
      Article
    • Investigating the Influence of Steric Hindrance on Selective Anion Transport 

      Jowett, Laura A.; Ricci, Angela; Wu, Xin; Howe, Ethan N.W.; Gale, Philip A.
      Published 2019-04-02
      A series of symmetrical and unsymmetrical alkyl tren based tris-thiourea anion transporters were synthesised and their anion binding and transport properties studied. Overall, increasing the steric bulk of the substituents ...
      Open Access
      Article
    • New Insights into the Anion Transport Selectivity and Mechanism of Tren-based Tris-(thio)ureas 

      Jowett, Laura A.; Howe, Ethan N.W.; Wu, Xin; Busschaert, Nathalie; Gale, Philip A.
      Published 2018-06-19
      The anion transport properties of a series of previously reported tren-based anionophores have been revisited using new assays designed to measure anion uniport. This study provides new insights into the transport mechanism ...
      Open Access
      Article
    • Prospects and Challenges in Anion Recognition and Transport 

      Wu, Xin; Gilchrist, Alexander M.; Gale, Philip A.
      Published 2020
      The genesis of anion receptor chemistry can be traced back to the late 1960s with the work of Shriver and Biallas on chelating Lewis acids and Park and Simmons on ammonium-containing cryptandlike halide receptors. Despite ...
      Embargoed
      Article
    • Real-Time Recording of the Cellular Effects of the Anion Transporter Prodigiosin 

      Cheung, Shane; Wu, Dan; Daly, Harrison C.; Busschaert, Nathalie; Morgunova, Marina; Simpson, Jeremy C.; Scholz, Dimitri; Gale, Philip A.; O'Shea, Donal F.
      Published 2018-04-12
      The unraveling of the cellular effects of anion transporters is key to their potential development as apoptosis-inducing or autophagy-disrupting therapeutics. Here, we conducted a systematic study of the cellular responses ...
      Open Access
      Preprint