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Ihlenburg RBJ, Petracek D, Schrank P, Davari MD, Taubert A, Rothenstein D. Identification of the First Sulfobetaine Hydrogel-Binding Peptides via Phage Display Assay. Macromol Rapid Commun 2023; 44:e2200896. [PMID: 36703485 DOI: 10.1002/marc.202200896] [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: 11/15/2022] [Revised: 01/11/2023] [Indexed: 01/28/2023]
Abstract
Using the M13 phage display, a series of 7- and 12-mer peptides which interact with new sulfobetaine hydrogels are identified. Two peptides each from the 7- and 12-mer peptide libraries bind to the new sulfobetaine hydrogels with high affinity compared to the wild-type phage lacking a dedicated hydrogel binding peptide. This is the first report of peptides binding to zwitterionic sulfobetaine hydrogels and the study therefore opens up the pathway toward new phage or peptide/hydrogel hybrids with high application potential.
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Affiliation(s)
- Ramona B J Ihlenburg
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 24-25, D-14476, Potsdam, Germany
| | - David Petracek
- Department Bioinspired Materials, Institute for Materials Science, University of Stuttgart, Heisenbergstraße 3, D-70569, Stuttgart, Germany
| | - Paul Schrank
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120, Halle, Germany
| | - Mehdi D Davari
- Department of Bioorganic Chemistry, Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120, Halle, Germany
| | - Andreas Taubert
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Straße 24-25, D-14476, Potsdam, Germany
| | - Dirk Rothenstein
- Department Bioinspired Materials, Institute for Materials Science, University of Stuttgart, Heisenbergstraße 3, D-70569, Stuttgart, Germany
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Koide H, Saito K, Yoshimatsu K, Chou B, Hoshino Y, Yonezawa S, Oku N, Asai T, Shea KJ. Cooling-induced, localized release of cytotoxic peptides from engineered polymer nanoparticles in living mice for cancer therapy. J Control Release 2023; 355:745-759. [PMID: 36804558 DOI: 10.1016/j.jconrel.2023.02.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/31/2023] [Accepted: 02/13/2023] [Indexed: 02/23/2023]
Abstract
Temperature-responsive polymers are often characterized by an abrupt change in the degree of swelling brought about by small changes in temperature. Polymers with a lower critical solution temperature (LCST) in particular, are important as drug and gene delivery vehicles. Drug molecules are taken up by the polymer in their solvent swollen state below their LCST. Increasing the temperature above the LCST, typically physiological temperatures, results in desolvation of polymer chains and microstructure collapse. The trapped drug is released slowly by passive diffusion through the collapsed polymer network. Since diffusion is dependent on many variables, localizing and control of the drug delivery rate can be challenging. Here, we report a fundamentally different approach for the rapid (seconds) tumor-specific delivery of a biomacromolecular drug. A copolymer nanoparticle (NP) was engineered with affinity for melittin, a peptide with potent anti-cancer activity, at physiological temperature. Intravenous injection of the NP-melittin complex results in its accumulation in organs and at the tumor. We demonstrate that by local cooling of the tumor the melittin is rapidly released from the NP-melittin complex. The release occurs only at the cooled tumor site. Importantly, tumor growth was significantly suppressed using this technique demonstrating therapeutically useful quantities of the drug can be delivered. This work reports the first example of an in vivo site-specific release of a macromolecular drug by local cooling for cancer therapy. In view of the increasing number of cryotherapeutic devices for in vivo applications, this work has the potential to stimulate cryotherapy for in vivo drug delivery.
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Affiliation(s)
- Hiroyuki Koide
- Department of Medical Biochemistry, Graduate school of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan.
| | - Kazuhiro Saito
- Department of Medical Biochemistry, Graduate school of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan
| | - Keiichi Yoshimatsu
- Department of Chemistry, Missouri State University, 901 South National Avenue, Springfield, MO 65897, USA; Department of Chemistry, University of California Irvine, Irvine, CA 92697, USA.
| | - Beverly Chou
- Department of Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Yu Hoshino
- Department of Applied Chemistry, Kyushu University, 744 Motooka, Fukuoka 819-0395, Japan
| | - Sei Yonezawa
- Department of Medical Biochemistry, Graduate school of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan
| | - Naoto Oku
- Department of Medical Biochemistry, Graduate school of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan; Laboratory of Biomedical and Analytical Sciences, Faculty of Pharma Sciences, Teikyo University, 2-11-1 Kaga, Itabashi, Tokyo 173-8605, Japan
| | - Tomohiro Asai
- Department of Medical Biochemistry, Graduate school of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Shizuoka 422-8526, Japan
| | - Kenneth J Shea
- Department of Chemistry, University of California Irvine, Irvine, CA 92697, USA.
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Onogi S, Lee SH, Fruehauf KR, Shea KJ. Abiotic Stimuli-Responsive Protein Affinity Reagent for IgG. Biomacromolecules 2021; 22:2641-2648. [PMID: 34009976 DOI: 10.1021/acs.biomac.1c00335] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We describe an approach for the discovery of protein affinity reagents (PARs). Abiotic synthetic hydrogel copolymers can be "tuned" for selective protein capture by the type and ratios of functional monomers included in their polymerization and by the polymerization conditions (i.e., pH). By screening libraries of hydrogel nanoparticles (NPs) containing charged and hydrophobic groups against a protein target (IgG), a stimuli-responsive PAR is selected. The robust carbon backbone synthetic copolymer is rapidly synthesized in the chemistry laboratory from readily available monomers. The production of the PAR does not require living cells and is free from biological contamination. The capture and release of the protein by the copolymer NP is reversible. IgG is sequestered from human serum at pH 6.5 and following a wash step, the purified protein is released by elevating the pH to 7.3. The binding and release of the protein occur without denaturation. The abiotic material functions as a selective PAR for the F(ab')2 domain of IgG for pull-down and immunoprecipitation experiments and for isolation and purification of proteins from complex biological mixtures.
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Affiliation(s)
- Shunsuke Onogi
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States.,Tsukuba Research Laboratories, JSR Corporation, Ibaraki 305-0841, Japan
| | - Shih-Hui Lee
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Krista R Fruehauf
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
| | - Kenneth J Shea
- Department of Chemistry, University of California, Irvine, Irvine, California 92697, United States
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