1
|
Fowler W, Deng C, Teodoro OT, de Pablo JJ, Tirrell MV. Synthetic and Computational Design Insights toward Mimicking Protein Binding of Phosphate. Bioconjug Chem 2024; 35:300-311. [PMID: 38377539 PMCID: PMC10962344 DOI: 10.1021/acs.bioconjchem.3c00454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 02/22/2024]
Abstract
The unique and precise capabilities of proteins are renowned for their specificity and range of application. Effective mimicking of protein-binding offers enticing potential to direct their abilities toward useful applications, but it is nevertheless quite difficult to realize this characteristic of protein behavior in a synthetic material. Here, we design, synthesize, and evaluate experimentally and computationally a series of multicomponent phosphate-binding peptide amphiphile micelles to derive design insights into how protein binding behavior translates to synthetic materials. By inserting the Walker A P-loop binding motif into this peptide synthetic material, we successfully implemented the protein-binding design parameters of hydrogen-bonding and electrostatic interaction to bind phosphate completely and selectively in this highly tunable synthetic platform. Moreover, in this densely arrayed peptide environment, we use molecular dynamics simulations to identify an intriguing mechanistic shift of binding that is inaccessible in traditional proteins, introducing two corresponding new design elements─flexibility and minimization of the loss of entropy due to ion binding, in protein-analogous synthetic materials. We then translate these new design factors to de novo peptide sequences that bind phosphate independent of protein-extracted sequence or conformation. Overall, this work reveals that traditional complex conformational restrictions of binding by proteins can be replaced and repurposed in a multicomponent peptide amphiphile synthetic material, opening up opportunities for future enhanced protein-inspired design.
Collapse
Affiliation(s)
- Whitney
C. Fowler
- Pritzker
School of Molecular Engineering, University
of Chicago, Chicago, Illinois 60637, United States
| | - Chuting Deng
- Pritzker
School of Molecular Engineering, University
of Chicago, Chicago, Illinois 60637, United States
| | - O. Therese Teodoro
- Pritzker
School of Molecular Engineering, University
of Chicago, Chicago, Illinois 60637, United States
| | - Juan J. de Pablo
- Pritzker
School of Molecular Engineering, University
of Chicago, Chicago, Illinois 60637, United States
- Argonne
National Laboratory, Lemont, Illinois 60439, United States
| | - Matthew V. Tirrell
- Pritzker
School of Molecular Engineering, University
of Chicago, Chicago, Illinois 60637, United States
- Argonne
National Laboratory, Lemont, Illinois 60439, United States
| |
Collapse
|
2
|
Kaygisiz K, Rauch-Wirth L, Iscen A, Hartenfels J, Kremer K, Münch J, Synatschke CV, Weil T. Peptide Amphiphiles as Biodegradable Adjuvants for Efficient Retroviral Gene Delivery. Adv Healthc Mater 2024; 13:e2301364. [PMID: 37947246 DOI: 10.1002/adhm.202301364] [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: 04/28/2023] [Revised: 10/20/2023] [Indexed: 11/12/2023]
Abstract
Retroviral gene delivery is the key technique for in vitro and ex vivo gene therapy. However, inefficient virion-cell attachment resulting in low gene transduction efficacy remains a major challenge in clinical applications. Adjuvants for ex vivo therapy settings need to increase transduction efficiency while being easily removed or degraded post-transduction to prevent the risk of venous embolism after infusing the transduced cells back to the bloodstream of patients, yet no such peptide system have been reported thus far. In this study, peptide amphiphiles (PAs) with a hydrophobic fatty acid and a hydrophilic peptide moiety that reveal enhanced viral transduction efficiency are introduced. The PAs form β-sheet-rich fibrils that assemble into positively charged aggregates, promoting virus adhesion to the cell membrane. The block-type amphiphilic sequence arrangement in the PAs ensures efficient cell-virus interaction and biodegradability. Good biodegradability is observed for fibrils forming small aggregates and it is shown that via molecular dynamics simulations, the fibril-fibril interactions of PAs are governed by fibril surface hydrophobicity. These findings establish PAs as additives in retroviral gene transfer, rivalling commercially available transduction enhancers in efficiency and degradability with promising translational options in clinical gene therapy applications.
Collapse
Affiliation(s)
- Kübra Kaygisiz
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Lena Rauch-Wirth
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstraße 1, 89081, Ulm, Germany
| | - Aysenur Iscen
- Polymer Theory Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Jan Hartenfels
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Kurt Kremer
- Polymer Theory Department, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Jan Münch
- Institute of Molecular Virology, Ulm University Medical Center, Meyerhofstraße 1, 89081, Ulm, Germany
| | - Christopher V Synatschke
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| | - Tanja Weil
- Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
| |
Collapse
|
3
|
Fasola E, Alboreggia G, Pieraccini S, Oliva F, Agharbaoui FE, Bollati M, Bertoni G, Recchia S, Marelli M, Piarulli U, Pellegrino S, Gazzola S. Conformational switch and multiple supramolecular structures of a newly identified self-assembling protein-mimetic peptide from Pseudomonas aeruginosa YeaZ protein. Front Chem 2022; 10:1038796. [PMID: 36583150 PMCID: PMC9792601 DOI: 10.3389/fchem.2022.1038796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 11/29/2022] [Indexed: 12/15/2022] Open
Abstract
Protein-mimetic peptides (PMPs) are shorter sequences of self-assembling proteins, that represent remarkable building blocks for the generation of bioinspired functional supramolecular structures with multiple applications. The identification of novel aminoacidic sequences that permit the access to valuable biocompatible materials is an attractive area of research. In this work, in silico analysis of the Pseudomonas aeruginosa YeaZ protein (PaYeaZ) led to the identification of a tetradecapeptide that represents the shortest sequence responsible for the YeaZ-YeaZ dimer formation. Based on its sequence, an innovative 20-meric peptide, called PMP-2, was designed, synthesized, and characterized in terms of secondary structure and self-assembly properties. PMP-2 conserves a helical character and self-assembles into helical nanofibers in non-polar solvents (DMSO and trifluoroethanol), as well as in dilute (0.5 mM) aqueous solutions. In contrast, at higher concentrations (>2 mM) in water, a conformational transition from α-helix to β-sheet occurs, which is accompanied by the Protein-mimetic peptide aggregation into 2D-sheets and formation supramolecular gel in aqueous environment. Our findings reveal a newly identified Protein-mimetic peptide that could turn as a promising candidate for future material applications.
Collapse
Affiliation(s)
- Elettra Fasola
- Science and High Technology Department, University of Insubria, Como, Italy
| | - Giulia Alboreggia
- Science and High Technology Department, University of Insubria, Como, Italy
| | | | | | | | - Michela Bollati
- CNR and Department of Biosciences, Institute of Biophysics, University of Milan, Milan, Italy
| | | | - Sandro Recchia
- Science and High Technology Department, University of Insubria, Como, Italy
| | - Marcello Marelli
- CNR-SCITEC—Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”, Milan, Italy
| | - Umberto Piarulli
- Science and High Technology Department, University of Insubria, Como, Italy,*Correspondence: Umberto Piarulli, ; Silvia Gazzola,
| | - Sara Pellegrino
- Pharmaceutical Science Department, University of Milan, Milan, Italy
| | - Silvia Gazzola
- Science and High Technology Department, University of Insubria, Como, Italy,*Correspondence: Umberto Piarulli, ; Silvia Gazzola,
| |
Collapse
|
4
|
Fowler WC. Intrinsic Fluorescence in Peptide Amphiphile Micelles with Protein-Inspired Phosphate Sensing. Biomacromolecules 2022; 23:4804-4813. [PMID: 36223894 PMCID: PMC9667461 DOI: 10.1021/acs.biomac.2c00960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Although peptide amphiphile micelles (PAMs) have been
widely studied
since they were developed in the late 1990s, to the author’s
knowledge, there have been no reports that PAMs intrinsically fluoresce
without a fluorescent tag, according to the aggregation-induced emission
(AIE) effect. This unexpected fluorescence behavior adds noteworthy
value to both the peptide amphiphile and AIE communities. For PAMs,
intrinsic fluorescence becomes another highly useful feature to add
to this well-studied material platform that features precise synthetic
control, tunable self-assembly, and straightforward functionalization,
with clear potential applications in bioinspired materials for bioimaging
and fluorescent sensing. For AIE, it is extremely rare and highly
desirable for one platform to exhibit precise tunability on multiple
length scales in aqeuous solutions, positioning PAMs as uniquely well-suited
for systematic AIE mechanistic study and sequence-specific functionalization
for bioinspired AIE applications. In this work, the author proposes
that AIE occurs across intermolecular emissive pathways created by
the closely packed peptide amide bonds in the micelle corona upon
self-assembly, with maximum excitation and emission wavelengths of
355 and 430 nm, respectively. Of the three PAMs evaluated here, the
PAM with tightly packed random coil peptide conformation and maximum
peptide length had the largest quantum yield, indicating that tuning
molecular design can further optimize the intrinsic emissive properties
of PAMs. To probe the sensing capabilities of AIE PAMs, a PAM was
designed to incorporate a protein-derived phosphate-binding sequence.
It detected phosphate down to 1 ppm through AIE-enhanced second-order
aggregation, demonstrating that AIE in PAMs leverages tunable biomimicry
to perform protein-inspired sensing.
Collapse
Affiliation(s)
- Whitney C Fowler
- Department of Engineering, Harvey Mudd College, Claremont, California 91711, United States
| |
Collapse
|
5
|
Tian Y, Tirrell MV, LaBelle JL. Harnessing the Therapeutic Potential of Biomacromolecules through Intracellular Delivery of Nucleic Acids, Peptides, and Proteins. Adv Healthc Mater 2022; 11:e2102600. [PMID: 35285167 PMCID: PMC9232950 DOI: 10.1002/adhm.202102600] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 02/09/2022] [Indexed: 12/19/2022]
Abstract
Biomacromolecules have long been at the leading edge of academic and pharmaceutical drug development and clinical translation. With the clinical advances of new therapeutics, such as monoclonal antibodies and nucleic acids, the array of medical applications of biomacromolecules has broadened considerably. A major on-going effort is to expand therapeutic targets within intracellular locations. Owing to their large sizes, abundant charges, and hydrogen-bond donors and acceptors, advanced delivery technologies are required to deliver biomacromolecules effectively inside cells. In this review, strategies used for the intracellular delivery of three major forms of biomacromolecules: nucleic acids, proteins, and peptides, are highlighted. An emphasis is placed on synthetic delivery approaches and the major hurdles needed to be overcome for their ultimate clinical translation.
Collapse
Affiliation(s)
- Yu Tian
- Pritzker School of Molecular Engineering, The University of Chicago, 5640 S Ellis Ave, Chicago, IL, 60637, USA
| | - Matthew V Tirrell
- Pritzker School of Molecular Engineering, The University of Chicago, 5640 S Ellis Ave, Chicago, IL, 60637, USA
| | - James L LaBelle
- Department of Pediatrics, Section of Hematology/Oncology, The University of Chicago, 900 E 57th St, Chicago, IL, 60637, USA
| |
Collapse
|
6
|
Wang XJ, Cheng J, Zhang LY, Zhang JG. Self-assembling peptides-based nano-cargos for targeted chemotherapy and immunotherapy of tumors: recent developments, challenges, and future perspectives. Drug Deliv 2022; 29:1184-1200. [PMID: 35403517 PMCID: PMC9004497 DOI: 10.1080/10717544.2022.2058647] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Affiliation(s)
- Xue-Jun Wang
- Department of General Surgery, Chun’an First People’s Hospital (Zhejiang Provincial People’s Hospital Chun’an Branch), Hangzhou, China
| | - Jian Cheng
- General Surgery, Cancer Center, Department of Hepatobiliary and Pancreatic Surgery and Minimally Invasive Surgery, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital of Hangzhou Medical College), Hangzhou, China
| | - Le-Yi Zhang
- Department of General Surgery, Chun’an First People’s Hospital (Zhejiang Provincial People’s Hospital Chun’an Branch), Hangzhou, China
| | - Jun-Gang Zhang
- General Surgery, Cancer Center, Department of Hepatobiliary and Pancreatic Surgery and Minimally Invasive Surgery, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital of Hangzhou Medical College), Hangzhou, China
| |
Collapse
|
7
|
Sinha NJ, Langenstein MG, Pochan DJ, Kloxin CJ, Saven JG. Peptide Design and Self-assembly into Targeted Nanostructure and Functional Materials. Chem Rev 2021; 121:13915-13935. [PMID: 34709798 DOI: 10.1021/acs.chemrev.1c00712] [Citation(s) in RCA: 85] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Peptides have been extensively utilized to construct nanomaterials that display targeted structure through hierarchical assembly. The self-assembly of both rationally designed peptides derived from naturally occurring domains in proteins as well as intuitively or computationally designed peptides that form β-sheets and helical secondary structures have been widely successful in constructing nanoscale morphologies with well-defined 1-d, 2-d, and 3-d architectures. In this review, we discuss these successes of peptide self-assembly, especially in the context of designing hierarchical materials. In particular, we emphasize the differences in the level of peptide design as an indicator of complexity within the targeted self-assembled materials and highlight future avenues for scientific and technological advances in this field.
Collapse
Affiliation(s)
- Nairiti J Sinha
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Matthew G Langenstein
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Darrin J Pochan
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Christopher J Kloxin
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States.,Department of Chemical and Biomolecular Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Jeffery G Saven
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| |
Collapse
|
8
|
Ding Y, Ting JP, Liu J, Al-Azzam S, Pandya P, Afshar S. Impact of non-proteinogenic amino acids in the discovery and development of peptide therapeutics. Amino Acids 2020; 52:1207-1226. [PMID: 32945974 PMCID: PMC7544725 DOI: 10.1007/s00726-020-02890-9] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 09/05/2020] [Indexed: 12/14/2022]
Abstract
With the development of modern chemistry and biology, non-proteinogenic amino acids (NPAAs) have become a powerful tool for developing peptide-based drug candidates. Drug-like properties of peptidic medicines, due to the smaller size and simpler structure compared to large proteins, can be changed fundamentally by introducing NPAAs in its sequence. While peptides composed of natural amino acids can be used as drug candidates, the majority have shown to be less stable in biological conditions. The impact of NPAA incorporation can be extremely beneficial in improving the stability, potency, permeability, and bioavailability of peptide-based therapies. Conversely, undesired effects such as toxicity or immunogenicity should also be considered. The impact of NPAAs in the development of peptide-based therapeutics is reviewed in this article. Further, numerous examples of peptides containing NPAAs are presented to highlight the ongoing development in peptide-based therapeutics.
Collapse
Affiliation(s)
- Yun Ding
- Protein Engineering, Lilly Biotechnology Center, Eli Lilly and Company, San Diego, CA, 92121, USA
| | - Joey Paolo Ting
- Protein Engineering, Lilly Biotechnology Center, Eli Lilly and Company, San Diego, CA, 92121, USA
| | - Jinsha Liu
- Protein Engineering, Lilly Biotechnology Center, Eli Lilly and Company, San Diego, CA, 92121, USA
| | - Shams Al-Azzam
- Professional Scientific Services, Eurofins Lancaster Laboratories, Lancaster, PA, 17605, USA
| | - Priyanka Pandya
- Protein Engineering, Lilly Biotechnology Center, Eli Lilly and Company, San Diego, CA, 92121, USA
| | - Sepideh Afshar
- Protein Engineering, Lilly Biotechnology Center, Eli Lilly and Company, San Diego, CA, 92121, USA.
| |
Collapse
|
9
|
Avitabile C, D'Andrea LD, D'Aversa E, Milani R, Gambari R, Romanelli A. Effect of Acylation on the Antimicrobial Activity of Temporin B Analogues. ChemMedChem 2018; 13:1549-1554. [PMID: 29920962 DOI: 10.1002/cmdc.201800289] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 05/29/2018] [Indexed: 12/20/2022]
Abstract
New peptides derived from the natural antimicrobial temporin B were obtained. The design, antimicrobial activity, and characterization of the secondary structure of peptides in the presence of bacterial cells is described herein. TB_KKG6K (KKLLPIVKNLLKSLL) has been identified as the most active analogue against Gram-positive and -negative bacteria, compared with natural temporin B (LLPIVGNLLKSLL) and TB_KKG6A (KKLLPIVANLLKSLL). Acylation with hydrophobic moieties generally led to reduced activity; however, acylation at the 6-position of TB_KKG6K led to retained sub-micromolar activity against Staphylococcus epidermidis.
Collapse
Affiliation(s)
- Concetta Avitabile
- Institute of Biostructure and Bioimaging, National Research Council-CNR, via Mezzocannone 16, 80134, Naples, Italy
| | - Luca Domenico D'Andrea
- Institute of Biostructure and Bioimaging, National Research Council-CNR, via Mezzocannone 16, 80134, Naples, Italy
| | - Elisabetta D'Aversa
- Department of Life Sciences and Biotechnology, University of Ferrara, via Fossato di Mortara 74, 44121, Ferrara, Italy
| | - Roberta Milani
- Department of Life Sciences and Biotechnology, University of Ferrara, via Fossato di Mortara 74, 44121, Ferrara, Italy
| | - Roberto Gambari
- Department of Life Sciences and Biotechnology, University of Ferrara, via Fossato di Mortara 74, 44121, Ferrara, Italy
| | - Alessandra Romanelli
- Department of Pharmaceutical Sciences, University of Milan, via Venezian 21, 20133, Milan, Italy
| |
Collapse
|
10
|
Poon C, Sarkar M, Chung EJ. Synthesis of Monocyte-targeting Peptide Amphiphile Micelles for Imaging of Atherosclerosis. J Vis Exp 2017. [PMID: 29286384 DOI: 10.3791/56625] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Atherosclerosis is a major contributor to cardiovascular disease, the leading cause of death worldwide, which claims 17.3 million lives annually. Atherosclerosis is also the leading cause of sudden death and myocardial infarction, instigated by unstable plaques that rupture and occlude the blood vessel without warning. Current imaging modalities cannot differentiate between stable and unstable plaques that rupture. Peptide amphiphiles micelles (PAMs) can overcome this drawback as they can be modified with a variety of targeting moieties that bind specifically to diseased tissue. Monocytes have been shown to be early markers of atherosclerosis, while large accumulation of monocytes is associated with plaques prone to rupture. Hence, nanoparticles that can target monocytes can be used to discriminate different stages of atherosclerosis. To that end, here, we describe a protocol for the preparation of monocyte-targeting PAMs (monocyte chemoattractant protein-1 (MCP-1) PAMs). MCP-1 PAMs are self-assembled through synthesis under mild conditions to form nanoparticles of 15 nm in diameter with near neutral surface charge. In vitro, PAMs were found to be biocompatible and had a high binding affinity for monocytes. The methods described herein show promise for a wide range of applications in atherosclerosis as well as other inflammatory diseases.
Collapse
Affiliation(s)
- Christopher Poon
- Department of Biomedical Engineering, University of Southern California
| | - Manjima Sarkar
- Department of Biomedical Engineering, University of Southern California
| | - Eun Ji Chung
- Department of Biomedical Engineering, University of Southern California;
| |
Collapse
|
11
|
Li Y, Wang Y, Ou SH, Lock LL, Xu X, Ghose S, Li ZJ, Cui H. Conformation Preservation of α-Helical Peptides within Supramolecular Filamentous Assemblies. Biomacromolecules 2017; 18:3611-3620. [DOI: 10.1021/acs.biomac.7b00992] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yi Li
- Department
of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Yuzhu Wang
- Department
of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Shih-Hao Ou
- Department
of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Lye Lin Lock
- Biologics
Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, Massachusetts 01434, United States
| | - Xuankuo Xu
- Biologics
Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, Massachusetts 01434, United States
| | - Sanchayita Ghose
- Biologics
Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, Massachusetts 01434, United States
| | - Zheng Jian Li
- Biologics
Process Development, Global Product Development and Supply, Bristol-Myers Squibb, Devens, Massachusetts 01434, United States
| | - Honggang Cui
- Department
of Chemical and Biomolecular Engineering, and Institute for NanoBioTechnology, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
- Department
of Oncology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, United States
| |
Collapse
|
12
|
Shi Y, Hu Y, Ochbaum G, Lin R, Bitton R, Cui H, Azevedo HS. Enzymatic activation of cell-penetrating peptides in self-assembled nanostructures triggers fibre-to-micelle morphological transition. Chem Commun (Camb) 2017; 53:7037-7040. [PMID: 28613294 DOI: 10.1039/c7cc03512h] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We report here a proof-of-concept design of a multi-domain cell-penetrating peptide amphiphile (CPPA) which can self-assemble into fibrous nanostructures and transform into spherical micelles upon enzymatic degradation by matrix metalloproteinase-2 (MMP-2) up-regulated in the tumour environment. Concomitant with this morphological transition, the cell-penetrating peptide (CPP), which was previously buried inside the CPPA fibers, could be presented on the surface of the CPPA micelles, enhancing their cell-penetrating ability. These multifunctional and enzyme-responsive CPP nanostructures hold potential as nanocarriers for tumour-targeted intracellular delivery of therapeutic and diagnostic agents.
Collapse
Affiliation(s)
- Yejiao Shi
- School of Engineering and Materials Science, Institute of Bioengineering, Queen Mary, University of London, London, E1 4NS, UK.
| | - Yang Hu
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Guy Ochbaum
- Department of Chemical Engineering and the Ilza Katz, Institute for Nanoscale Science & Technology, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Ran Lin
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Ronit Bitton
- Department of Chemical Engineering and the Ilza Katz, Institute for Nanoscale Science & Technology, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Helena S Azevedo
- School of Engineering and Materials Science, Institute of Bioengineering, Queen Mary, University of London, London, E1 4NS, UK.
| |
Collapse
|
13
|
Chang C, Liang P, Chen L, Liu J, Chen S, Zheng G, Quan C. pH-responsive nanoparticle assembly from peptide amphiphiles for tumor targeting drug delivery. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2017; 28:1338-1350. [PMID: 28467173 DOI: 10.1080/09205063.2017.1325095] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
In this paper, the peptide amphiphiles (PA) which consists of RGDSEEEEEEEEEEK as pH-sensitive segment and stearic acid as hydrophobic segment named RGDS-E10-Lys(C18) was successfully synthesized. TEM images showed that uniformly dispersed nanoparticles could be formed by PA molecules in pH 7.4 medium, however, disintegrated in pH 5.0 medium. Circular dichroism (CD) spectrum indicated that polypeptide adopted a random-coil conformation in neutral medium (pH 7.4). The CD signal was significantly attenuate for decreased solubility of PA in medium with pH 5.0. As expected, the prepared RGDS-E10-Lys(C18) assembly showed high pH-sensitive property which demonstrated a much more rapid drug release from micelles in tumor tissue (acidic environment) than in physiological environment (neutral environment). After DOX-loaded micelles incubated with tumor cells, the cytotoxicity of the micelles against Hela cells was increased obviously, indicating the great potential of micelles developed here as promising vehicle for targeted pH-responsive drug delivery.
Collapse
Affiliation(s)
- Cong Chang
- a Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education , Hubei University of Chinese Medicine , Wuhan , P. R. China
| | - Peiqing Liang
- b Department of Biomedical Engineering , School of Engineering, Sun Yat-sen University , Guangzhou , P. R. China
| | - Linlin Chen
- a Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education , Hubei University of Chinese Medicine , Wuhan , P. R. China
| | - Junfeng Liu
- a Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education , Hubei University of Chinese Medicine , Wuhan , P. R. China
| | - Shihong Chen
- a Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education , Hubei University of Chinese Medicine , Wuhan , P. R. China
| | - Guohua Zheng
- a Key Laboratory of Chinese Medicine Resource and Compound Prescription of Ministry of Education , Hubei University of Chinese Medicine , Wuhan , P. R. China
| | - Changyun Quan
- b Department of Biomedical Engineering , School of Engineering, Sun Yat-sen University , Guangzhou , P. R. China
| |
Collapse
|
14
|
Acar H, Srivastava S, Chung EJ, Schnorenberg MR, Barrett JC, LaBelle JL, Tirrell M. Self-assembling peptide-based building blocks in medical applications. Adv Drug Deliv Rev 2017; 110-111:65-79. [PMID: 27535485 PMCID: PMC5922461 DOI: 10.1016/j.addr.2016.08.006] [Citation(s) in RCA: 148] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 07/01/2016] [Accepted: 08/05/2016] [Indexed: 12/22/2022]
Abstract
Peptides and peptide-conjugates, comprising natural and synthetic building blocks, are an increasingly popular class of biomaterials. Self-assembled nanostructures based on peptides and peptide-conjugates offer advantages such as precise selectivity and multifunctionality that can address challenges and limitations in the clinic. In this review article, we discuss recent developments in the design and self-assembly of various nanomaterials based on peptides and peptide-conjugates for medical applications, and categorize them into two themes based on the driving forces of molecular self-assembly. First, we present the self-assembled nanostructures driven by the supramolecular interactions between the peptides, with or without the presence of conjugates. The studies where nanoassembly is driven by the interactions between the conjugates of peptide-conjugates are then presented. Particular emphasis is given to in vivo studies focusing on therapeutics, diagnostics, immune modulation and regenerative medicine. Finally, challenges and future perspectives are presented.
Collapse
Affiliation(s)
- Handan Acar
- Institute for Molecular Engineering, University of Chicago, Chicago, IL 60637, USA; Department of Pediatrics, Section of Hematology/Oncology, University of Chicago, Chicago, IL 60637, USA.
| | - Samanvaya Srivastava
- Institute for Molecular Engineering, University of Chicago, Chicago, IL 60637, USA; Institute for Molecular Engineering, Argonne National Laboratory, Argonne, IL 60439, USA.
| | - Eun Ji Chung
- Institute for Molecular Engineering, University of Chicago, Chicago, IL 60637, USA; Department of Biomedical Engineering, University of Southern California, Los Angeles, CA 90089, USA
| | - Mathew R Schnorenberg
- Institute for Molecular Engineering, University of Chicago, Chicago, IL 60637, USA; Department of Pediatrics, Section of Hematology/Oncology, University of Chicago, Chicago, IL 60637, USA; Medical Scientist Training Program, University of Chicago, Chicago, IL 60637, USA.
| | - John C Barrett
- Biophysical Sciences Graduate Program, University of Chicago, Chicago, IL 60637, USA.
| | - James L LaBelle
- Department of Pediatrics, Section of Hematology/Oncology, University of Chicago, Chicago, IL 60637, USA.
| | - Matthew Tirrell
- Institute for Molecular Engineering, University of Chicago, Chicago, IL 60637, USA; Institute for Molecular Engineering, Argonne National Laboratory, Argonne, IL 60439, USA.
| |
Collapse
|
15
|
Marullo R, Kastantin M, Drews LB, Tirrell M. Peptide contour length determines equilibrium secondary structure in protein-analogous micelles. Biopolymers 2016; 99:573-81. [PMID: 23794370 DOI: 10.1002/bip.22217] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Accepted: 01/28/2013] [Indexed: 11/10/2022]
Abstract
This work advances bottom-up design of bioinspired materials built from peptide-amphiphiles, which are a class of bioconjugates in which a biofunctional peptide is covalently attached to a hydrophobic moiety that drives self-assembly in aqueous solution. Specifically, this work highlights the importance of peptide contour length in determining the equilibrium secondary structure of the peptide as well as the self-assembled (i.e., micelle) geometry. Peptides used here repeat a seven-amino acid sequence between one and four times to vary peptide contour length while maintaining similar peptide-peptide interactions. Without a hydrophobic tail, these peptides all exhibit a combination of random coil and α-helical structure. Upon self-assembly in the crowded environment of a micellar corona, however, short peptides are prone to β-sheet structure and cylindrical micelle geometry while longer peptides remain helical in spheroidal micelles. The transition to β-sheets in short peptides is rapid, whereby amphiphiles first self-assemble with α-helical peptide structure, then transition to their equilibrium β-sheet structure at a rate that depends on both temperature and ionic strength. These results identify peptide contour length as an important control over equilibrium peptide secondary structure and micelle geometry. Furthermore, the time-dependent nature of the helix-to-sheet transition opens the door for shape-changing bioinspired materials with tunable conversion rates.
Collapse
Affiliation(s)
- Rachel Marullo
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106, USA
| | | | | | | |
Collapse
|
16
|
Saraf P, Li X, Wrischnik L, Jasti B. In Vitro and In Vivo Efficacy of Self-Assembling RGD Peptide Amphiphiles for Targeted Delivery of Paclitaxel. Pharm Res 2015; 32:3087-101. [PMID: 26063045 DOI: 10.1007/s11095-015-1689-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 03/26/2015] [Indexed: 10/23/2022]
Abstract
PURPOSE The objective of this work was to compare the efficacy of self-assembling cyclic and linear RGD peptide amphiphiles as carriers for delivering paclitaxel to αvβ3 integrin overexpressing tumors. METHODS Linear (C18-ADA5-RGD) and cyclic (C18-ADA5-cRGDfK) peptide amphiphiles were synthesized and characterized for CMC, aggregation number and micelle stability using fluorescence spectroscopy methods. Size and morphology of micelles was studied using TEM. Fluorescence polarization and confocal microscopy assays were established to compare binding and internalization of micelles. The targeting efficacy was studied in A2058 cells using cytotoxicity assay as well as in vivo in melanoma xenograft mouse model. RESULTS The linear and cyclic RGD amphiphiles exhibited CMC of 25 and 8 μM, respectively, formed nano-sized spherical micelles and showed competitive binding to αvβ3 integrin protein. FITC-loaded RGD micelles rapidly internalized into A2058 melanoma cells. Paclitaxel-loaded RGD micelles exhibited higher cytotoxicity compared with free drug in A2058 cells in vitro as well as in vivo. CONCLUSION Cyclic RGD micelles exhibited better targeting efficacy but were less effective compared to linear RGD micelles as drug delivery vehicle due to lower drug solubilization capacity and lesser kinetic stability. Results from the study proved the effectiveness of self-assembling low molecular weight RGD amphiphiles as carriers for targeted delivery of paclitaxel.
Collapse
Affiliation(s)
- Poonam Saraf
- Department of Pharmaceutics and Medicinal Chemistry, Thomas J. Long School of Pharmacy and Health Sciences, University of the Pacific, Stockton, USA
| | | | | | | |
Collapse
|
17
|
Doll TAPF, Neef T, Duong N, Lanar DE, Ringler P, Müller SA, Burkhard P. Optimizing the design of protein nanoparticles as carriers for vaccine applications. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2015; 11:1705-13. [PMID: 26051652 PMCID: PMC4587294 DOI: 10.1016/j.nano.2015.05.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 03/02/2015] [Accepted: 05/19/2015] [Indexed: 01/19/2023]
Abstract
Successful vaccine development remains a huge challenge for infectious diseases such as malaria, HIV and influenza. As a novel way to present antigenic epitopes to the immune system, we have developed icosahedral self-assembling protein nanoparticles (SAPNs) to serve as a prototypical vaccine platform for infectious diseases. Here we examine some biophysical factors that affect the self-assembly of these nanoparticles, which have as basic building blocks coiled-coil oligomerization domains joined by a short linker region. Relying on in silico computer modeling predictions, we selected five different linker regions from the RCSB protein database that connect oligomerization domains, and then further studied the self-assembly and stability of in vitro produced nanoparticles through biophysical characterization of formed particles. One design in particular, T2i88, revealed excellent self-assembly and homogeneity thus paving the way toward a more optimized nanoparticle for vaccine applications. From the Clinical Editor Despite the widespread use of vaccines worldwide, successful development of vaccines against some diseases remains a challenge still. In this article, the authors investigated the physic-chemical and biological properties of icosahedral self-assembling protein nanoparticles (SAPNs), which mimic viral particles, in order to utilize this technology as potential platform for future design of vaccines.
Collapse
Affiliation(s)
- Tais A P F Doll
- Institute of Materials Science, University of Connecticut, Storrs, CT, USA
| | - Tobias Neef
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, USA
| | - Nha Duong
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, USA
| | - David E Lanar
- Malaria Vaccine Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland, MD, USA
| | - Philippe Ringler
- Center for Cellular Imaging and Nano Analytics (C-CINA), Biozentrum, University of Basel, Mattenstrasse 26, Basel, Switzerland
| | - Shirley A Müller
- Center for Cellular Imaging and Nano Analytics (C-CINA), Biozentrum, University of Basel, Mattenstrasse 26, Basel, Switzerland
| | - Peter Burkhard
- Institute of Materials Science, University of Connecticut, Storrs, CT, USA; Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, USA.
| |
Collapse
|
18
|
Dehsorkhi A, Gouveia RM, Smith AM, Hamley IW, Castelletto V, Connon CJ, Reza M, Ruokolainen J. Self-assembly of a dual functional bioactive peptide amphiphile incorporating both matrix metalloprotease substrate and cell adhesion motifs. SOFT MATTER 2015; 11:3115-3124. [PMID: 25779650 DOI: 10.1039/c5sm00459d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We describe a bioactive lipopeptide that combines the capacity to promote the adhesion and subsequent self-detachment of live cells, using template-cell-environment feedback interactions. This self-assembling peptide amphiphile comprises a diene-containing hexadecyl lipid chain (C16e) linked to a matrix metalloprotease-cleavable sequence, Thr-Pro-Gly-Pro-Gln-Gly-Ile-Ala-Gly-Gln, and contiguous with a cell-attachment and signalling motif, Arg-Gly-Asp-Ser. Biophysical characterisation revealed that the PA self-assembles into 3 nm diameter spherical micelles above a critical aggregation concentration (cac). In addition, when used in solution at 5-150 nM (well below the cac), the PA is capable of forming film coatings that provide a stable surface for human corneal fibroblasts to attach and grow. Furthermore, these coatings were demonstrated to be sensitive to metalloproteases expressed endogenously by the attached cells, and consequently to elicit the controlled detachment of cells without compromising their viability. As such, this material constitutes a novel class of multi-functional coating for both fundamental and clinical applications in tissue engineering.
Collapse
Affiliation(s)
- Ashkan Dehsorkhi
- School of Chemistry, Pharmacy and Food Biosciences, University of Reading, Whiteknights, Reading, RG6 6AD, UK.
| | | | | | | | | | | | | | | |
Collapse
|
19
|
Chu BK, Fu IW, Markegard CB, Choi SE, Nguyen HD. A Tail of Two Peptide Amphiphiles: Effect of Conjugation with Hydrophobic Polymer on Folding of Peptide Sequences. Biomacromolecules 2014; 15:3313-20. [DOI: 10.1021/bm500733h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Brian K. Chu
- Department
of Chemical Engineering
and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - Iris W. Fu
- Department
of Chemical Engineering
and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - Cade B. Markegard
- Department
of Chemical Engineering
and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - Seong E. Choi
- Department
of Chemical Engineering
and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| | - Hung D. Nguyen
- Department
of Chemical Engineering
and Materials Science, University of California, Irvine, Irvine, California 92697, United States
| |
Collapse
|
20
|
Active targeting of early and mid-stage atherosclerotic plaques using self-assembled peptide amphiphile micelles. Biomaterials 2014; 35:8678-86. [PMID: 25043572 DOI: 10.1016/j.biomaterials.2014.06.054] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 06/26/2014] [Indexed: 11/21/2022]
Abstract
Inflammatory cell adhesion molecules expressed by endothelial cells on the luminal surface of atherosclerotic plaques, such as vascular cell adhesion molecule-1 (VCAM-1), provide a rational target for diagnostic and therapeutic delivery vehicles. Therefore, the potential of using spherical, self-assembled micelles synthesized from VCAM-1 targeted peptide amphiphile molecules was examined for the ability to specifically bind to both early and mid-stage atherosclerotic plaques. In vitro, cells incubated with VCAM-1 targeted and dye-labeled micelles show enhanced fluorescence signal as compared to cells incubated with a PEG micelle control. In vivo, VCAM-1 targeted and Cy7-labeled peptide amphiphile micelles were shown to specifically accumulate at atherosclerotic plaques in both early and mid-stage ApoE -/- mice through co-localization of Cy7 signal with anti-VCAM-1 antibody staining in fixed tissue. No specific accumulation was observed with a PEG micelle control. Histological analysis of excised tissue provided evidence for the in vivo biocompatibility of these micelle formulations as no tissue damage was observed. These results demonstrate that VCAM-1 targeted micelles have potential as a platform for targeted drug delivery to multiple stages of atherosclerotic plaque formation due to their established specificity and safety.
Collapse
|
21
|
Meng Q, Kou Y, Ma X, Guo L, Liu K. Nanostructures from the self-assembly of α
-helical peptide amphiphiles. J Pept Sci 2014; 20:223-8. [DOI: 10.1002/psc.2606] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Revised: 11/19/2013] [Accepted: 11/26/2013] [Indexed: 01/02/2023]
Affiliation(s)
- Qingbin Meng
- Beijing Institute of Pharmacology and Toxicology; Beijing 100850 China
| | - Yingying Kou
- Beijing Institute of Pharmacology and Toxicology; Beijing 100850 China
| | - Xin Ma
- Beijing Institute of Pharmacology and Toxicology; Beijing 100850 China
| | - Lei Guo
- Beijing Institute of Pharmacology and Toxicology; Beijing 100850 China
| | - Keliang Liu
- Beijing Institute of Pharmacology and Toxicology; Beijing 100850 China
| |
Collapse
|
22
|
Zhang P, Lock LL, Cheetham AG, Cui H. Enhanced cellular entry and efficacy of tat conjugates by rational design of the auxiliary segment. Mol Pharm 2014; 11:964-73. [PMID: 24437690 PMCID: PMC3993903 DOI: 10.1021/mp400619v] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
![]()
Conjugation with a cell penetrating
peptide such as Tat presents
an effective approach to improve the intracellular accumulation of
molecules with low membrane permeability. This strategy, however,
leads to a reduced cellular entry of molecules that can cross cell
membrane effectively. We report here that covalent linkage of an additional
hydrophobic unit that mimics a hydrophobic domain near the Tat sequence
can further improve the cellular uptake of the parental conjugate
into cancer cells regardless of the membrane permeability of the unconjugated
molecule. Both fluorescent imaging and flow cytometry measurements
confirmed the effect of palmitoylation on the increased internalization
of the Tat conjugates with either 5-carboxyfluorescein (5-FAM), a
nonmembrane penetrating dye, or doxorubicin, an anticancer cancer
drug that can readily diffuse across cell membranes. In the case of
the Tat–doxorubicin conjugate, palmitoylation improves the
conjugate’s anticancer activity in both drug sensitive and
resistant cervical cancer cell lines. We further demonstrate that
modification of a Tat–5-FAM conjugate with a hydrophobic quencher
could not only efficiently quench the fluorescence outside of cancer
cell but also facilitate its entry into MCF-7 breast cancer cells.
These results highlight the importance of rational molecular design
of using peptide conjugation chemistry in cancer therapeutics and
diagnostics.
Collapse
Affiliation(s)
- Pengcheng Zhang
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, Johns Hopkins University , Baltimore, Maryland 21218, United States
| | | | | | | |
Collapse
|
23
|
Hüttl C, Hettrich C, Miller R, Paulke BR, Henklein P, Rawel H, Bier FF. Self-assembled peptide amphiphiles function as multivalent binder with increased hemagglutinin affinity. BMC Biotechnol 2013; 13:51. [PMID: 23777281 PMCID: PMC3689634 DOI: 10.1186/1472-6750-13-51] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 06/13/2013] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND A promising way in diagnostic and therapeutic applications is the development of peptide amphiphiles (PAs). Peptides with a palmitic acid alkylchain were designed and characterized to study the effect of the structure modifications on self-assembling capabilities and the multiple binding capacity to hemagglutinin (HA), the surface protein of influenza virus type A. The peptide amphiphiles consists of a hydrophilic headgroup with a biological functionality of the peptide sequence and a chemically conjugated hydrophobic tail. In solution they self-assemble easily to micelles with a hydrophobic core surrounded by a closely packed peptide-shell. RESULTS In this study the effect of a multiple peptide binding partner to the receptor binding site of HA could be determined with surface plasmon resonance measurements. The applied modification of the peptides causes signal amplification in relationship to the unmodified peptide wherein the high constant specificity persists. The molecular assembly of the peptides was characterized by the determination of critical micelle concentration (CMC) with concentration of 10⁻⁵ M and the colloidal size distribution. CONCLUSION The modification of the physico-chemical parameters by producing peptide amphiphiles form monomeric structures which enhances the binding affinity and allows a better examination of the interaction with the virus surface protein hemagglutinin.
Collapse
Affiliation(s)
- Christine Hüttl
- Fraunhofer Institute for Biomedical Engineering IBMT, Am Mühlenberg 13, 14476, Potsdam, Germany
- Institute for Biochemistry und Biology, University of Potsdam, Maulbeerallee 2, 14469, Potsdam, Germany
| | - Cornelia Hettrich
- Fraunhofer Institute for Biomedical Engineering IBMT, Am Mühlenberg 13, 14476, Potsdam, Germany
| | - Reinhard Miller
- Max Planck Institute for Colloids and Interfaces, Am Mühlenberg 1, 14476, Potsdam, Germany
| | - Bernd-Reiner Paulke
- Fraunhofer Institute for Applied Polymer Research IAP, Geiselbergstr. 69, 14476, Potsdam, Germany
| | - Petra Henklein
- Institute for Biochemistry, Charité – Universitätsmedizin Berlin, Virchowweg 6, 10117, Berlin, Germany
| | - Harshadrai Rawel
- Institute of Nutritional Sciences, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558, Nuthetal, Germany
| | - Frank F Bier
- Fraunhofer Institute for Biomedical Engineering IBMT, Am Mühlenberg 13, 14476, Potsdam, Germany
- Institute for Biochemistry und Biology, University of Potsdam, Maulbeerallee 2, 14469, Potsdam, Germany
| |
Collapse
|
24
|
Lin BF, Missirlis D, Krogstad DV, Tirrell M. Structural Effects and Lipid Membrane Interactions of the pH-Responsive GALA Peptide with Fatty Acid Acylation. Biochemistry 2012; 51:4658-68. [DOI: 10.1021/bi300314h] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Brian F. Lin
- Department
of Bioengineering, University of California, Berkeley, California 94720,
United States
- Department
of Chemistry and
Biochemistry, University of California,
Santa Barbara, California 93106, United States
| | - Dimitris Missirlis
- Department
of Bioengineering, University of California, Berkeley, California 94720,
United States
- Department of Biophysical Chemistry,
Institute for Physical Chemistry, University of Heidelberg, Heidelberg, D-69210, Germany
| | - Daniel V. Krogstad
- Materials Department, University of California, Santa Barbara,
California 93106, United States
| | - Matthew Tirrell
- Department
of Bioengineering, University of California, Berkeley, California 94720,
United States
- Materials Department, University of California, Santa Barbara,
California 93106, United States
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United
States
| |
Collapse
|
25
|
Lin BF, Marullo RS, Robb MJ, Krogstad DV, Antoni P, Hawker CJ, Campos LM, Tirrell MV. De novo design of bioactive protein-resembling nanospheres via dendrimer-templated peptide amphiphile assembly. NANO LETTERS 2011; 11:3946-50. [PMID: 21800917 PMCID: PMC3223106 DOI: 10.1021/nl202220q] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Self-assembling peptide amphiphiles (PAs) have been extensively used in the development of novel biomaterials. Because of their propensity to form cylindrical micelles, their use is limited in applications where small spherical micelles are desired. Here we present a platform method for controlling the self-assembly of biofunctional PAs into spherical 50 nm particles using dendrimers as shape-directing scaffolds. This templating approach results in biocompatible, stable protein-like assemblies displaying peptides with native secondary structure and biofunctionality.
Collapse
Affiliation(s)
- Brian F. Lin
- Department of Chemistry and Biochemistry, Department of Chemical Engineering, Materials Department, and Materials Research Laboratory, University of California, Santa Barbara, CA 93106-5121, USA
- Department of Bioengineering, University of California, Berkeley, CA 94720-1762, USA
| | - Rachel S. Marullo
- Department of Chemistry and Biochemistry, Department of Chemical Engineering, Materials Department, and Materials Research Laboratory, University of California, Santa Barbara, CA 93106-5121, USA
- Department of Bioengineering, University of California, Berkeley, CA 94720-1762, USA
| | - Maxwell J. Robb
- Department of Chemistry and Biochemistry, Department of Chemical Engineering, Materials Department, and Materials Research Laboratory, University of California, Santa Barbara, CA 93106-5121, USA
| | - Daniel V. Krogstad
- Department of Chemistry and Biochemistry, Department of Chemical Engineering, Materials Department, and Materials Research Laboratory, University of California, Santa Barbara, CA 93106-5121, USA
| | - Per Antoni
- Department of Chemistry and Biochemistry, Department of Chemical Engineering, Materials Department, and Materials Research Laboratory, University of California, Santa Barbara, CA 93106-5121, USA
| | - Craig J. Hawker
- Department of Chemistry and Biochemistry, Department of Chemical Engineering, Materials Department, and Materials Research Laboratory, University of California, Santa Barbara, CA 93106-5121, USA
| | - Luis M. Campos
- Department of Chemistry, Columbia University, New York, NY 10027, USA
| | - Matthew V. Tirrell
- Department of Bioengineering, University of California, Berkeley, CA 94720-1762, USA
| |
Collapse
|
26
|
Missirlis D, Chworos A, Fu CJ, Khant HA, Krogstad DV, Tirrell M. Effect of the peptide secondary structure on the peptide amphiphile supramolecular structure and interactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:6163-70. [PMID: 21488620 PMCID: PMC3103120 DOI: 10.1021/la200800e] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Bottom-up fabrication of self-assembled nanomaterials requires control over forces and interactions between building blocks. We report here on the formation and architecture of supramolecular structures constructed from two different peptide amphiphiles. Inclusion of four alanines between a 16-mer peptide and a 16 carbon long aliphatic tail resulted in a secondary structure shift of the peptide headgroups from α helices to β sheets. A concomitant shift in self-assembled morphology from nanoribbons to core-shell worm-like micelles was observed by cryogenic transmission electron microscopy (cryo-TEM) and atomic force microscopy (AFM). In the presence of divalent magnesium ions, these a priori formed supramolecular structures interacted in distinct manners, highlighting the importance of peptide amphiphile design in self-assembly.
Collapse
Affiliation(s)
- Dimitris Missirlis
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106, USA
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106, USA
- Department of Bioengineering, University of California, Berkeley, CA 94720, USA
| | - Arkadiusz Chworos
- Department of Physics, University of California, Santa Barbara, CA 93106-9530, USA
- The Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences in Lodz, Sienkiewicza 112, Lodz, 90363, Poland
| | - Caroline J. Fu
- Department of Biochemistry and Molecular Biology, Baylor College of Medicine, TX 77030, USA
| | - Htet A. Khant
- Department of Biochemistry and Molecular Biology, Baylor College of Medicine, TX 77030, USA
| | - Daniel V. Krogstad
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106, USA
- Materials Department, University of California, Santa Barbara, CA 93106, USA
| | - Matthew Tirrell
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106, USA
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106, USA
- Department of Bioengineering, University of California, Berkeley, CA 94720, USA
- Materials Department, University of California, Santa Barbara, CA 93106, USA
| |
Collapse
|
27
|
Stability and CMC determinations of amphiphilic (DSPEPEG(3400)-CTT2) peptide constructs by microtensiometry. J Drug Deliv Sci Technol 2011. [DOI: 10.1016/s1773-2247(11)50020-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
28
|
Missirlis D, Krogstad DV, Tirrell M. Internalization of p53(14-29) peptide amphiphiles and subsequent endosomal disruption results in SJSA-1 cell death. Mol Pharm 2010; 7:2173-84. [PMID: 20822110 PMCID: PMC2997927 DOI: 10.1021/mp100193h] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In vivo peptide inhibition of tumor suppressor p53 binding to the protein MDM2 is hampered by inefficient delivery of the peptide. Our approach to couple a hydrophobic lipid-like tail on the inhibitory peptide p53(14-29) allowed its intracellular delivery in vitro, in a panel of different cell lines. The constructed chimeric molecules, termed peptide amphiphiles, further self-assembled into supramolecular structures, identified as elongated wormlike micelles. Internalization of peptides occurred following micelle disassembly, partly via clathrin-mediated endocytosis of monomers. Incubation of SJSA-1 cells in hypertonic culture media, aimed to disrupt endocytic vesicles, resulted in peptide amphiphile-mediated cell death. Our results provide the basis for the construction of novel therapeutic supramolecular nanoparticles and suggest hydrophobic modification of peptides as a promising strategy for enhancing delivery of impermeable peptides.
Collapse
Affiliation(s)
- Dimitris Missirlis
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106
- Department of Bioengineering, University of California, Berkeley, CA 94720
| | - Daniel V. Krogstad
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106
- Materials Department, University of California, Santa Barbara, CA 93106
| | - Matthew Tirrell
- Department of Chemical Engineering, University of California, Santa Barbara, CA 93106
- Materials Research Laboratory, University of California, Santa Barbara, CA 93106
- Department of Bioengineering, University of California, Berkeley, CA 94720
- Materials Department, University of California, Santa Barbara, CA 93106
| |
Collapse
|