51
|
Anand R, Manoli F, Manet I, Daoud-Mahammed S, Agostoni V, Gref R, Monti S. β-Cyclodextrin polymer nanoparticles as carriers for doxorubicin and artemisinin: a spectroscopic and photophysical study. Photochem Photobiol Sci 2012; 11:1285-92. [PMID: 22576059 DOI: 10.1039/c2pp25014d] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The association of doxorubicin (DOX) and artemisinin (ART) to a β-CyD-epichlorohydrin crosslinked polymer (pβ-CyD), organized in nanoparticles of ca. 15 nm size, was investigated in neutral aqueous medium by circular dichroism (CD), UV-vis absorption and fluorescence. The stability constants and the absolute CD spectra of the drug complexes were determined by global analysis of multiwavelength data from spectroscopic titrations. The polymer pβ-CyD proved able to disrupt the DOX dimer when the latter is the predominant form of DOX in solution. The spectroscopic and photophysical properties of the complexes evidenced an alcohol-like environment for ART and an improved inherent emission ability for DOX in the nanoparticle frame.
Collapse
Affiliation(s)
- Resmi Anand
- Istituto per la Sintesi Organica e la Fotoreattività, ISOF-CNR, Bologna, Italy
| | | | | | | | | | | | | |
Collapse
|
52
|
Mamidyala SK, Dutta S, Chrunyk BA, Préville C, Wang H, Withka JM, McColl A, Subashi TA, Hawrylik SJ, Griffor MC, Kim S, Pfefferkorn JA, Price DA, Menhaji-Klotz E, Mascitti V, Finn M. Glycomimetic Ligands for the Human Asialoglycoprotein Receptor. J Am Chem Soc 2012; 134:1978-81. [DOI: 10.1021/ja2104679] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sreeman K. Mamidyala
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey
Pines Road, La Jolla, California 92037, United States
| | - Sanjay Dutta
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey
Pines Road, La Jolla, California 92037, United States
| | - Boris A. Chrunyk
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Cathy Préville
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Hong Wang
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Jane M. Withka
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Alexander McColl
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Timothy A. Subashi
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Steven J. Hawrylik
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Matthew C. Griffor
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Sung Kim
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Jeffrey A. Pfefferkorn
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - David A. Price
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Elnaz Menhaji-Klotz
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Vincent Mascitti
- Pfizer Global Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - M.G. Finn
- Department
of Chemistry, The Scripps Research Institute, 10550 North Torrey
Pines Road, La Jolla, California 92037, United States
| |
Collapse
|
53
|
Gómez-García M, Benito JM, Butera AP, Mellet CO, Fernández JMG, Blanco JLJ. Probing Carbohydrate-Lectin Recognition in Heterogeneous Environments with Monodisperse Cyclodextrin-Based Glycoclusters. J Org Chem 2012; 77:1273-88. [DOI: 10.1021/jo201797b] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Marta Gómez-García
- Departamento
de Química
Orgánica, Facultad de Química, Universidad de Sevilla, Profesor García González 1,
E-41012 Sevilla, Spain
| | - Juan M. Benito
- Instituto de Investigaciones
Químicas, CSIC - Universidad de Sevilla, Américo Vespucio 49, Isla de la Cartuja, E-41092 Sevilla,
Spain
| | - Anna P. Butera
- Departamento
de Química
Orgánica, Facultad de Química, Universidad de Sevilla, Profesor García González 1,
E-41012 Sevilla, Spain
| | - Carmen Ortiz Mellet
- Departamento
de Química
Orgánica, Facultad de Química, Universidad de Sevilla, Profesor García González 1,
E-41012 Sevilla, Spain
| | - José M. García Fernández
- Instituto de Investigaciones
Químicas, CSIC - Universidad de Sevilla, Américo Vespucio 49, Isla de la Cartuja, E-41092 Sevilla,
Spain
| | - José L. Jiménez Blanco
- Departamento
de Química
Orgánica, Facultad de Química, Universidad de Sevilla, Profesor García González 1,
E-41012 Sevilla, Spain
| |
Collapse
|
54
|
Yadav R, Kikkeri R. Carbohydrate functionalized iron(iii) complexes as biomimetic siderophores. Chem Commun (Camb) 2012; 48:1704-6. [DOI: 10.1039/c2cc16656a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
55
|
Liu X, Liu J, Luo Y. Facile glycosylation of dendrimers for eliciting specific cell–material interactions. Polym Chem 2012. [DOI: 10.1039/c1py00404b] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
56
|
Functionalized Nanoparticles and Chitosan-Based Functional Nanomaterials. MULTIFACETED DEVELOPMENT AND APPLICATION OF BIOPOLYMERS FOR BIOLOGY, BIOMEDICINE AND NANOTECHNOLOGY 2012. [DOI: 10.1007/12_2012_200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
|
57
|
A novel carbon monoxide-releasing molecule fully protects mice from severe malaria. Antimicrob Agents Chemother 2011; 56:1281-90. [PMID: 22155828 DOI: 10.1128/aac.05571-11] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Severe forms of malaria infection, such as cerebral malaria (CM) and acute lung injury (ALI), are mainly caused by the apicomplexan parasite Plasmodium falciparum. Primary therapy with quinine or artemisinin derivatives is generally effective in controlling P. falciparum parasitemia, but mortality from CM and other forms of severe malaria remains unacceptably high. Herein, we report the design and synthesis of a novel carbon monoxide-releasing molecule (CO-RM; ALF492) that fully protects mice against experimental CM (ECM) and ALI. ALF492 enables controlled CO delivery in vivo without affecting oxygen transport by hemoglobin, the major limitation in CO inhalation therapy. The protective effect is CO dependent and induces the expression of heme oxygenase-1, which contributes to the observed protection. Importantly, when used in combination with the antimalarial drug artesunate, ALF492 is an effective adjunctive and adjuvant treatment for ECM, conferring protection after the onset of severe disease. This study paves the way for the potential use of CO-RMs, such as ALF492, as adjunctive/adjuvant treatment in severe forms of malaria infection.
Collapse
|
58
|
Williams CC, Thang SH, Hantke T, Vogel U, Seeberger PH, Tsanaktsidis J, Lepenies B. RAFT-Derived Polymer-Drug Conjugates: Poly(hydroxypropyl methacrylamide) (HPMA)-7-Ethyl-10-hydroxycamptothecin (SN-38) Conjugates. ChemMedChem 2011; 7:281-91. [DOI: 10.1002/cmdc.201100456] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Revised: 11/08/2011] [Indexed: 12/31/2022]
|
59
|
Schlegel MK, Hütter J, Eriksson M, Lepenies B, Seeberger PH. Defined presentation of carbohydrates on a duplex DNA scaffold. Chembiochem 2011; 12:2791-800. [PMID: 22052782 DOI: 10.1002/cbic.201100511] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Indexed: 01/15/2023]
Abstract
A new method for the spatially defined alignment of carbohydrates on a duplex DNA scaffold is presented. The use of an N-hydroxysuccinimide (NHS)-ester phosphoramidite along with carbohydrates containing an alkylamine linker allows for on-column labeling during solid-phase oligonucleotide synthesis. This modification method during solid-phase synthesis only requires the use of minimal amounts of complex carbohydrates. The covalently attached carbohydrates are presented in the major groove of the B-form duplex DNA as potential substrates for murine type II C-type lectin receptors mMGL1 and mMGL2. CD spectroscopy and thermal melting revealed only minimal disturbance of the overall helical structure. Surface plasmon resonance and cellular uptake studies with bone-marrow-derived dendritic cells were used to assess the capability of these carbohydrate-modified duplexes to bind to mMGL receptors.
Collapse
Affiliation(s)
- Mark K Schlegel
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany
| | | | | | | | | |
Collapse
|
60
|
Grünstein D, Maglinao M, Kikkeri R, Collot M, Barylyuk K, Lepenies B, Kamena F, Zenobi R, Seeberger PH. Hexameric Supramolecular Scaffold Orients Carbohydrates To Sense Bacteria. J Am Chem Soc 2011; 133:13957-66. [DOI: 10.1021/ja2036767] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Dan Grünstein
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany, and Institute of Chemistry and Biochemistry, Free University Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Maha Maglinao
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany, and Institute of Chemistry and Biochemistry, Free University Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Raghavendra Kikkeri
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany, and Institute of Chemistry and Biochemistry, Free University Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Mayeul Collot
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany, and Institute of Chemistry and Biochemistry, Free University Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Konstantin Barylyuk
- Department of Chemistry and Applied Biosciences, ETH Zurich, Wolfgang-Pauli-Strasse 10, 8093 Zurich, Switzerland
| | - Bernd Lepenies
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany, and Institute of Chemistry and Biochemistry, Free University Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Faustin Kamena
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany, and Institute of Chemistry and Biochemistry, Free University Berlin, Arnimallee 22, 14195 Berlin, Germany
| | - Renato Zenobi
- Department of Chemistry and Applied Biosciences, ETH Zurich, Wolfgang-Pauli-Strasse 10, 8093 Zurich, Switzerland
| | - Peter H. Seeberger
- Department of Biomolecular Systems, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1, 14476 Potsdam, Germany, and Institute of Chemistry and Biochemistry, Free University Berlin, Arnimallee 22, 14195 Berlin, Germany
| |
Collapse
|
61
|
Khil’chenko SR, Zaporozhets TS, Shevchenko NM, Zvyagintseva TN, Vogel U, Seeberger P, Lepenies B. Immunostimulatory Activity of Fucoidan from the Brown AlgaFucus evanescens: Role of Sulfates and Acetates. J Carbohydr Chem 2011. [DOI: 10.1080/07328303.2011.604456] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
|