1
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Benfica LF, Brito LF, do Bem RD, Mulim HA, Glessner J, Braga LG, Gloria LS, Cyrillo JNSG, Bonilha SFM, Mercadante MEZ. Genome-wide association study between copy number variation and feeding behavior, feed efficiency, and growth traits in Nellore cattle. BMC Genomics 2024; 25:54. [PMID: 38212678 PMCID: PMC10785391 DOI: 10.1186/s12864-024-09976-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 01/04/2024] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Feeding costs represent the largest expenditures in beef production. Therefore, the animal efficiency in converting feed in high-quality protein for human consumption plays a major role in the environmental impact of the beef industry and in the beef producers' profitability. In this context, breeding animals for improved feed efficiency through genomic selection has been considered as a strategic practice in modern breeding programs around the world. Copy number variation (CNV) is a less-studied source of genetic variation that can contribute to phenotypic variability in complex traits. In this context, this study aimed to: (1) identify CNV and CNV regions (CNVRs) in the genome of Nellore cattle (Bos taurus indicus); (2) assess potential associations between the identified CNVR and weaning weight (W210), body weight measured at the time of selection (WSel), average daily gain (ADG), dry matter intake (DMI), residual feed intake (RFI), time spent at the feed bunk (TF), and frequency of visits to the feed bunk (FF); and, (3) perform functional enrichment analyses of the significant CNVR identified for each of the traits evaluated. RESULTS A total of 3,161 CNVs and 561 CNVRs ranging from 4,973 bp to 3,215,394 bp were identified. The CNVRs covered up to 99,221,894 bp (3.99%) of the Nellore autosomal genome. Seventeen CNVR were significantly associated with dry matter intake and feeding frequency (number of daily visits to the feed bunk). The functional annotation of the associated CNVRs revealed important candidate genes related to metabolism that may be associated with the phenotypic expression of the evaluated traits. Furthermore, Gene Ontology (GO) analyses revealed 19 enrichment processes associated with FF. CONCLUSIONS A total of 3,161 CNVs and 561 CNVRs were identified and characterized in a Nellore cattle population. Various CNVRs were significantly associated with DMI and FF, indicating that CNVs play an important role in key biological pathways and in the phenotypic expression of feeding behavior and growth traits in Nellore cattle.
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Affiliation(s)
- Lorena F Benfica
- Department of Animal Sciences, Purdue University, 270 S. Russell Street, West Lafayette, IN, 47907, USA.
- Department of Animal Science, Faculty of Agricultural and Veterinary Sciences, Sao Paulo State University, Jaboticabal, SP, Brazil.
| | - Luiz F Brito
- Department of Animal Sciences, Purdue University, 270 S. Russell Street, West Lafayette, IN, 47907, USA
| | - Ricardo D do Bem
- Department of Animal Science, Faculty of Agricultural and Veterinary Sciences, Sao Paulo State University, Jaboticabal, SP, Brazil
| | - Henrique A Mulim
- Department of Animal Sciences, Purdue University, 270 S. Russell Street, West Lafayette, IN, 47907, USA
| | - Joseph Glessner
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
- Center for Applied Genomics, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Larissa G Braga
- Department of Animal Science, Faculty of Agricultural and Veterinary Sciences, Sao Paulo State University, Jaboticabal, SP, Brazil
| | - Leonardo S Gloria
- Department of Animal Sciences, Purdue University, 270 S. Russell Street, West Lafayette, IN, 47907, USA
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2
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White G, Prior C, Mills SJ, Baker K, Whitfield H, Riley AM, Oganesyan VS, Potter BVL, Brearley CA. Regioisomeric Family of Novel Fluorescent Substrates for SHIP2. ACS Med Chem Lett 2020; 11:309-315. [PMID: 32184962 PMCID: PMC7073872 DOI: 10.1021/acsmedchemlett.9b00368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 10/18/2019] [Indexed: 12/27/2022] Open
Abstract
SHIP2 (SH2-domain containing inositol 5-phosphatase type 2) is a canonical 5-phosphatase, which, through its catalytic action on PtdInsP3, regulates the PI3K/Akt pathway and metabolic action of insulin. It is a drug target, but there is limited evidence of inhibition of SHIP2 by small molecules in the literature. With the goal to investigate inhibition, we report a homologous family of synthetic, chromophoric benzene phosphate substrates of SHIP2 that display the headgroup regiochemical hallmarks of the physiological inositide substrates that have proved difficult to crystallize with 5-phosphatases. Using time-dependent density functional theory (TD-DFT), we explore the intrinsic fluorescence of these novel substrates and show how fluorescence can be used to assay enzyme activity. The TD-DFT approach promises to inform rational design of enhanced active site probes for the broadest family of inositide-binding/metabolizing proteins, while maintaining the regiochemical properties of bona fide inositide substrates.
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Affiliation(s)
- Gaye White
- School of Biological Sciences, UEA, Norwich Research Park, Norwich NR4 7TJ, U.K
| | - Christopher Prior
- School of Chemistry, UEA, Norwich Research Park, Norwich NR47TJ, U.K
| | - Stephen J. Mills
- Medicinal Chemistry & Drug Discovery, Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, U.K
| | - Kendall Baker
- School of Biological Sciences, UEA, Norwich Research Park, Norwich NR4 7TJ, U.K
| | - Hayley Whitfield
- School of Biological Sciences, UEA, Norwich Research Park, Norwich NR4 7TJ, U.K
| | - Andrew M. Riley
- Medicinal Chemistry & Drug Discovery, Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, U.K
| | | | - Barry V. L. Potter
- Medicinal Chemistry & Drug Discovery, Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, U.K
| | - Charles A. Brearley
- School of Biological Sciences, UEA, Norwich Research Park, Norwich NR4 7TJ, U.K
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3
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Gurale BP, Shashidhar MS, Sardessai RS, Gonnade RG. Inositol to aromatics -benzene free synthesis of poly oxygenated aromatics. Carbohydr Res 2018; 461:38-44. [PMID: 29574293 DOI: 10.1016/j.carres.2018.03.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 03/13/2018] [Accepted: 03/13/2018] [Indexed: 11/28/2022]
Abstract
A method for the preparation of benzene derivatives from myo-inositol, an abundantly available phyto chemical is described. 1,3-Bridged acetals of inososes undergo step-wise elimination leading to the formation of polyoxygenated benzene derivatives. This aromatization reaction proceeds through the intermediacy of a β-alkoxyenone, which could be isolated. This sequence of reactions starting from myo-inositol, provides a novel route for the preparation of polyoxygenated benzene derivatives including polyoxygenated biphenyl. This scheme of synthesis demonstrates the potential of myo-inositol as a sustainable non-petrochemical resource for aromatic compounds.
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Affiliation(s)
- Bharat P Gurale
- The Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pashan Road, Pune, 411 008, India.
| | - Mysore S Shashidhar
- The Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pashan Road, Pune, 411 008, India.
| | - Richa S Sardessai
- The Division of Organic Chemistry, CSIR-National Chemical Laboratory, Pashan Road, Pune, 411 008, India
| | - Rajesh G Gonnade
- Center for Materials Characterization, CSIR- National Chemical Laboratory, Pashan Road, Pune, 411008, India.
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4
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Association study between copy number variation and beef fatty acid profile of Nellore cattle. J Appl Genet 2018. [DOI: 10.1007/s13353-018-0436-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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5
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Odell LR, Abdel-Hamid MK, Hill TA, Chau N, Young KA, Deane FM, Sakoff JA, Andersson S, Daniel JA, Robinson PJ, McCluskey A. Pyrimidine-Based Inhibitors of Dynamin I GTPase Activity: Competitive Inhibition at the Pleckstrin Homology Domain. J Med Chem 2016; 60:349-361. [DOI: 10.1021/acs.jmedchem.6b01422] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Luke R. Odell
- Chemistry,
School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales 2308, Australia
| | - Mohammed K. Abdel-Hamid
- Chemistry,
School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales 2308, Australia
- Department
of Medicinal Chemistry, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Timothy A. Hill
- Chemistry,
School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales 2308, Australia
| | - Ngoc Chau
- Children’s
Medical Research Institute, The University of Sydney, 214 Hawkesbury
Road, Westmead New South
Wales 2145, Australia
| | - Kelly A. Young
- Chemistry,
School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales 2308, Australia
| | - Fiona M. Deane
- Chemistry,
School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales 2308, Australia
| | - Jennette A. Sakoff
- Experimental
Therapeutics Group, Department of Medical Oncology, Calvary Mater Newcastle Hospital, Edith Street, Waratah, 2298, New South Wales Australia
| | - Sofia Andersson
- Department
of Biology and Chemical Engineering, Mälardalens University, Box 325, S-631
05, Eskilstuna, Sweden
| | - James A. Daniel
- Children’s
Medical Research Institute, The University of Sydney, 214 Hawkesbury
Road, Westmead New South
Wales 2145, Australia
| | - Phillip J. Robinson
- Children’s
Medical Research Institute, The University of Sydney, 214 Hawkesbury
Road, Westmead New South
Wales 2145, Australia
| | - Adam McCluskey
- Chemistry,
School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales 2308, Australia
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6
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Mills SJ, Silvander C, Cozier G, Trésaugues L, Nordlund P, Potter BVL. Crystal Structures of Type-II Inositol Polyphosphate 5-Phosphatase INPP5B with Synthetic Inositol Polyphosphate Surrogates Reveal New Mechanistic Insights for the Inositol 5-Phosphatase Family. Biochemistry 2016; 55:1384-97. [PMID: 26854536 PMCID: PMC4785718 DOI: 10.1021/acs.biochem.5b00838] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
The inositol polyphosphate 5-phosphatase
INPP5B hydrolyzes the
5-phosphate group from water- and lipid-soluble signaling messengers.
Two synthetic benzene and biphenyl polyphosphates (BzP/BiPhPs), simplified
surrogates of inositol phosphates and phospholipid headgroups, were
identified by thermodynamic studies as potent INPP5B ligands. The
X-ray structure of the complex between INPP5B and biphenyl 3,3′,4,4′,5,5′-hexakisphosphate
[BiPh(3,3′,4,4′,5,5′)P6, IC50 5.5 μM] was determined at 2.89 Å resolution. One inhibitor
pole locates in the phospholipid headgroup binding site and the second
solvent-exposed ring binds to the His-Tag of another INPP5B molecule,
while a molecule of inorganic phosphate is also present in the active
site. Benzene 1,2,3-trisphosphate [Bz(1,2,3)P3] [one ring
of BiPh(3,3′,4,4′,5,5′)P6] inhibits
INPP5B ca. 6-fold less potently. Co-crystallization with benzene 1,2,4,5-tetrakisphosphate
[Bz(1,2,4,5)P4, IC50 = 6.3 μM] yielded
a structure refined at 2.9 Å resolution. Conserved residues among
the 5-phosphatase family mediate interactions with Bz(1,2,4,5)P4 and BiPh(3,3′,4,4′,5,5′)P6 similar to those with the polar groups present in positions 1, 4,
5, and 6 on the inositol ring of the substrate. 5-Phosphatase specificity
most likely resides in the variable zone located close to the 2- and
3-positions of the inositol ring, offering insights to inhibitor design.
We propose that the inorganic phosphate present in the INPP5B–BiPh(3,3′,4,4′,5,5′)P6 complex mimics the postcleavage substrate 5-phosphate released
by INPP5B in the catalytic site, allowing elucidation of two new key
features in the catalytic mechanism proposed for the family of phosphoinositide
5-phosphatases: first, the involvement of the conserved Arg-451 in
the interaction with the 5-phosphate and second, identification of
the water molecule that initiates 5-phosphate hydrolysis. Our model
also has implications for the proposed “moving metal”
mechanism.
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Affiliation(s)
- Stephen J Mills
- Wolfson Laboratory of Medicinal Chemistry, Department of Pharmacy and Pharmacology, University of Bath , Bath BA2 7AY, U.K
| | - Camilla Silvander
- Structural Genomics Consortium, Karolinska Institutet , 17177 Stockholm, Sweden
| | - Gyles Cozier
- Wolfson Laboratory of Medicinal Chemistry, Department of Pharmacy and Pharmacology, University of Bath , Bath BA2 7AY, U.K
| | - Lionel Trésaugues
- Structural Genomics Consortium, Karolinska Institutet , 17177 Stockholm, Sweden.,Division of Biophysics, Department of Medical Biochemistry and Biophysics, Karolinska Institutet , 17177 Stockholm, Sweden
| | - Pär Nordlund
- Structural Genomics Consortium, Karolinska Institutet , 17177 Stockholm, Sweden.,Division of Biophysics, Department of Medical Biochemistry and Biophysics, Karolinska Institutet , 17177 Stockholm, Sweden.,School of Biological Sciences, Nanyang Technological University , 637551 Singapore
| | - Barry V L Potter
- Department of Pharmacology, University of Oxford , Mansfield Road, Oxford OX1 3QT, U.K.,Wolfson Laboratory of Medicinal Chemistry, Department of Pharmacy and Pharmacology, University of Bath , Bath BA2 7AY, U.K
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7
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Thomas MP, Mills SJ, Potter BVL. The "Other" Inositols and Their Phosphates: Synthesis, Biology, and Medicine (with Recent Advances in myo-Inositol Chemistry). Angew Chem Int Ed Engl 2016; 55:1614-50. [PMID: 26694856 PMCID: PMC5156312 DOI: 10.1002/anie.201502227] [Citation(s) in RCA: 112] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Indexed: 12/24/2022]
Abstract
Cell signaling via inositol phosphates, in particular via the second messenger myo-inositol 1,4,5-trisphosphate, and phosphoinositides comprises a huge field of biology. Of the nine 1,2,3,4,5,6-cyclohexanehexol isomers, myo-inositol is pre-eminent, with "other" inositols (cis-, epi-, allo-, muco-, neo-, L-chiro-, D-chiro-, and scyllo-) and derivatives rarer or thought not to exist in nature. However, neo- and d-chiro-inositol hexakisphosphates were recently revealed in both terrestrial and aquatic ecosystems, thus highlighting the paucity of knowledge of the origins and potential biological functions of such stereoisomers, a prevalent group of environmental organic phosphates, and their parent inositols. Some "other" inositols are medically relevant, for example, scyllo-inositol (neurodegenerative diseases) and d-chiro-inositol (diabetes). It is timely to consider exploration of the roles and applications of the "other" isomers and their derivatives, likely by exploiting techniques now well developed for the myo series.
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Affiliation(s)
- Mark P Thomas
- Department of Pharmacy & Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Stephen J Mills
- Department of Pharmacy & Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Barry V L Potter
- Department of Pharmacology, University of Oxford, Mansfield Road, Oxford, OX1 3QT, UK.
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8
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Thomas MP, Mills SJ, Potter BVL. Die “anderen” Inositole und ihre Phosphate: Synthese, Biologie und Medizin (sowie jüngste Fortschritte in dermyo-Inositolchemie). Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502227] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mark P. Thomas
- Department of Pharmacy & Pharmacology; University of Bath; Claverton Down Bath BA2 7AY Vereinigtes Königreich
| | - Stephen J. Mills
- Department of Pharmacy & Pharmacology; University of Bath; Claverton Down Bath BA2 7AY Vereinigtes Königreich
| | - Barry V. L. Potter
- Department of Pharmacology; University of Oxford; Mansfield Road Oxford OX1 3QT Vereinigtes Königreich
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9
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Grint T, Riley AM, Mills SJ, Potter BV, Safrany ST. Fibrinogen - a possible extracellular target for inositol phosphates. MESSENGER (LOS ANGELES, CALIF. : PRINT) 2012; 1:160-166. [PMID: 24749013 PMCID: PMC3988617 DOI: 10.1166/msr.2012.1014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A potential extracellular target for inositol phosphates and analogues with anticancer properties is identified. Proteins from detergent-solubilised HeLa cell lysates bound to a novel affinity column of myo-inositol 1,3,4,5,6-pentakisphosphate (InsP5) coupled to Affigel-10. One high-affinity ligand was fibrinogen Bβ. Inositol phosphates and analogues were able to elute purified fibrinogen from this matrix. InsP5 and the inositol phosphate mimic biphenyl 2,3',4,5',6-pentakisphosphate (BiPhP5) bind fibrinogen in vitro, and block the effects of fibrinogen in A549 cell-based assays of proliferation and migration. They are also able to prevent the fibrinogen-mediated activation of phosphatidylinositol 3-kinase. These effects of fibrinogen appear to be mediated through the intercellular adhesion molecule-1 (ICAM-1), as cells not expressing ICAM-1 fail to respond. In contrast, myo-inositol hexakisphosphate and the epimeric scyllo-inositol 1,2,3,4,5-pentakisphosphate were without effect. These findings are consistent with earlier reports that higher inositol phosphates have anticancer properties. This new mechanism of action and target for these extracellular inositol phosphates to have their effects allows a re-evaluation of earlier data.
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Affiliation(s)
- Thomas Grint
- Department of Pharmacy and Pharmacology, University of Bath, Bath BA2 7AY, UK
| | - Andrew M. Riley
- Wolfson Laboratory of Medicinal Chemistry, Department of Pharmacy and Pharmacology University of Bath, Bath BA2 7AY, UK
| | - Stephen J. Mills
- Wolfson Laboratory of Medicinal Chemistry, Department of Pharmacy and Pharmacology University of Bath, Bath BA2 7AY, UK
| | - Barry V.L. Potter
- Wolfson Laboratory of Medicinal Chemistry, Department of Pharmacy and Pharmacology University of Bath, Bath BA2 7AY, UK
| | - Stephen T. Safrany
- Department of Pharmacy and Pharmacology, University of Bath, Bath BA2 7AY, UK
- Department of Pharmacy, School of Applied Sciences, University of Wolverhampton, Wolverhampton WV1 1LY, UK
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10
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Mills SJ, Luyten T, Erneux C, Parys JB, Potter BVL. Multivalent benzene polyphosphate derivatives are non-Ca 2+-mobilizing Ins(1,4,5)P 3 receptor antagonists. MESSENGER (LOS ANGELES, CALIF. : PRINT) 2012; 1:167-181. [PMID: 24749014 PMCID: PMC3988618 DOI: 10.1166/msr.2012.1016] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Inositol 1,4,5-trisphosphate [Ins(1,4,5)P31] mobilizes intracellular Ca2+ through the Ins(1,4,5)P3 receptor [InsP3R]. Although some progress has been made in the design of synthetic InsP3R partial agonists and antagonists, there are still few examples of useful small molecule competitive antagonists. A "multivalent" approach is explored and new dimeric polyphosphorylated aromatic derivatives were designed, synthesized and biologically evaluated. The established weak InsP3R ligand benzene 1,2,4-trisphosphate [Bz(1,2,4)P32] is dimerized through its 5-position in two different ways, first directly as the biphenyl derivative biphenyl 2,2',4,4',5,5'-hexakisphosphate, [BiPh(2,2',4,4',5,5')P68] and with its regioisomeric biphenyl 3,3',4,4',5,5'-hexakisphosphate [BiPh(3,3',4,4',5,5')P611]. Secondly, a linker motif is introduced in a flexible ethylene-bridged dimer (9) with its corresponding 1,2-bisphosphate dimer (10), both loosely analogous to the very weak antagonist 1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid (BAPTA 7). In permeabilized L15 fibroblasts overexpressing type 1 InsP3R, BiPh(2,2',4,4',5,5')P6 (8) inhibits Ins(1,4,5)P3-induced Ca2+ release in a apparently competitive fashion [IC50 187 nM] and the Bz(1,2,4)P3 dimer (9) is only slightly weaker [IC50 380 nM]. Compounds were also evaluated against type I Ins(1,4,5)P3 5-phosphatase. All compounds are resistant to dephosphorylation, with BiPh(2,2',4,4',5,5')P6 (8), being the most effective inhibitor of any biphenyl derivative synthesized to date [IC50 480 nM] and the Bz(1,2,4)P3 ethylene dimer (9) weaker [IC50 3.55 μM]. BiPh(3,3',4,4',5,5')P6 (11) also inhibits 5-phosphatase [IC50 730 nM] and exhibits unexpected Ca2+ releasing activity [EC50 800 nM]. Thus, relocation of only a single mirrored phenyl phosphate group in (11) from that of antagonist (8) does not markedly change enzyme inhibitory activity, but elicits a dramatic switch in Ca2+-releasing activity. Such new agents demonstrate the power of the multivalent approach and may be useful to investigate the chemical biology of signaling through InsP3R and as templates for further design.
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Affiliation(s)
- Stephen J Mills
- Wolfson Laboratory of Medicinal Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK
| | - Tomas Luyten
- Laboratory of Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine, KU Leuven, Campus Gasthuisberg O/N-1, Herestraat 49, Bus 802, 3000 Leuven, Belgium
| | - Christophe Erneux
- Institut de Recherche Interdisciplinaire (IRIBHM), Université Libre de Bruxelles, Campus Erasme, Brussels, Belgium
| | - Jan B. Parys
- Laboratory of Molecular and Cellular Signaling, Department of Cellular and Molecular Medicine, KU Leuven, Campus Gasthuisberg O/N-1, Herestraat 49, Bus 802, 3000 Leuven, Belgium
| | - Barry V. L. Potter
- Professor B. V. L. Potter, Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath, BA2 7AY, UK. University of Bath, Claverton Down, Bath, BA2 7AY, Tel: +44 1225 386639; Fax: +44 1225 386114;
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11
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Mahadevi AS, Sastry GN. Cation-π interaction: its role and relevance in chemistry, biology, and material science. Chem Rev 2012; 113:2100-38. [PMID: 23145968 DOI: 10.1021/cr300222d] [Citation(s) in RCA: 731] [Impact Index Per Article: 60.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- A Subha Mahadevi
- Molecular Modeling Group, CSIR-Indian Institute of Chemical Technology Tarnaka, Hyderabad 500 607, Andhra Pradesh, India
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12
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Mills SJ, Persson C, Cozier G, Thomas MP, Trésaugues L, Erneux C, Riley AM, Nordlund P, Potter BVL. A synthetic polyphosphoinositide headgroup surrogate in complex with SHIP2 provides a rationale for drug discovery. ACS Chem Biol 2012; 7:822-8. [PMID: 22330088 PMCID: PMC3355655 DOI: 10.1021/cb200494d] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Phosphoinositides regulate many cellular processes, and cellular levels are controlled by kinases and phosphatases. SHIP2 (SH2 (Src homology 2)-domain-containing inositol-phosphatase-2) plays a critical role in phosphoinositide signaling, cleaving the 5-phosphate from phosphatidylinositol 3,4,5-trisphosphate. SHIP2 is thought to be involved in type-2 diabetes and obesity, conditions that could therefore be open to pharmacological modulation of the enzyme. However, rational design of SHIP2 inhibitors has been limited by the absence of a high-resolution structure. Here, we present a 2.1 Å resolution crystal structure of the phosphatase domain of SHIP2 bound to the synthetic ligand biphenyl 2,3',4,5',6-pentakisphosphate (BiPh(2,3',4,5',6)P(5)). BiPh(2,3',4,5',6)P(5) is not a SHIP2 substrate but inhibits Ins(1,3,4,5)P(4) hydrolysis with an IC(50) of 24.8 ± 3.0 μM, (K(m) for Ins(1,3,4,5)P(4) is 215 ± 28 μM). Molecular dynamics simulations suggest that when BiPh(2,3',4,5',6)P(5) binds to SHIP2, a flexible loop folds over and encloses the ligand. Compounds targeting such a closed conformation might therefore deliver SHIP2-specific drugs.
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Affiliation(s)
- Stephen J. Mills
- Wolfson Laboratory of Medicinal
Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Bath BA2 7AY, U.K
| | | | - Gyles Cozier
- Wolfson Laboratory of Medicinal
Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Bath BA2 7AY, U.K
| | - Mark P. Thomas
- Wolfson Laboratory of Medicinal
Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Bath BA2 7AY, U.K
| | | | - Christophe Erneux
- Institut de Recherche Interdisciplinaire
(IRIBHM), Université Libre de Bruxelles, Campus Erasme, Brussels, Belgium
| | - Andrew M. Riley
- Wolfson Laboratory of Medicinal
Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Bath BA2 7AY, U.K
| | - Pär Nordlund
- School of Biological Sciences, Nanyang Technological University, Singapore 637551
| | - Barry V. L. Potter
- Wolfson Laboratory of Medicinal
Chemistry, Department of Pharmacy and Pharmacology, University of Bath, Bath BA2 7AY, U.K
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13
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Bru M, Kotkar SP, Kar N, Köhn M. Development of a solid phase synthesis strategy for soluble phosphoinositide analogues. Chem Sci 2012. [DOI: 10.1039/c2sc01061e] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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14
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Ahad AM, Zuohe S, Du-Cuny L, Moses SA, Zhou LL, Zhang S, Powis G, Meuillet EJ, Mash EA. Development of sulfonamide AKT PH domain inhibitors. Bioorg Med Chem 2011; 19:2046-54. [PMID: 21353784 DOI: 10.1016/j.bmc.2011.01.049] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Revised: 01/20/2011] [Accepted: 01/24/2011] [Indexed: 01/08/2023]
Abstract
Disruption of the phosphatidylinositol 3-kinase/AKT signaling pathway can lead to apoptosis in cancer cells. Previously we identified a lead sulfonamide that selectively bound to the pleckstrin homology (PH) domain of AKT and induced apoptosis when present at low micromolar concentrations. To examine the effects of structural modification, a set of sulfonamides related to the lead compound was designed, synthesized, and tested for binding to the expressed PH domain of AKT using a surface plasmon resonance-based competitive binding assay. Cellular activity was determined by means of an assay for pAKT production and a cell killing assay using BxPC-3 cells. The most active compounds in the set are lipophilic and possess an aliphatic chain of the proper length. Results were interpreted with the aid of computational modeling. This paper represents the first structure-activity relationship (SAR) study of a large family of AKT PH domain inhibitors. Information obtained will be used in the design of the next generation of inhibitors of AKT PH domain function.
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Affiliation(s)
- Ali Md Ahad
- Department of Chemistry and Biochemistry, The University of Arizona, Tucson, Arizona 85721-0041, USA
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Best MD, Zhang H, Prestwich GD. Inositol polyphosphates, diphosphoinositol polyphosphates and phosphatidylinositol polyphosphate lipids: Structure, synthesis, and development of probes for studying biological activity. Nat Prod Rep 2010; 27:1403-30. [DOI: 10.1039/b923844c] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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