1
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Sis MJ, Liu D, Allen I, Webber MJ. Iterative Design Reveals Molecular Domain Relationships in Supramolecular Peptide-Drug Conjugates. Biomacromolecules 2024; 25:4482-4491. [PMID: 38870408 DOI: 10.1021/acs.biomac.4c00519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
Supramolecular peptide-drug conjugates (sPDCs) are prepared by covalent attachment of a drug moiety to a peptide motif programmed for one-dimensional self-assembly, with subsequent physical entanglement of these fibrillar structures enabling formation of nanofibrous hydrogels. This class of prodrug materials presents an attractive platform for mass-efficient and site-specific delivery of therapeutic agents using a discrete, single-component molecular design. However, a continued challenge in sPDC development is elucidating relationships between supramolecular interactions in their drug and peptide domains and the resultant impacts of these domains on assembly outcomes and material properties. Inclusion of a saturated alkyl segment alongside the prodrug in the hydrophobic domain of sPDCs could relieve some of the necessity for ordered, prodrug-produg interactions. Accordingly, nine sPDCs are prepared here to iterate the design variables of amino acid sequence and hydrophobic prodrug-alkyl block design. All molecules spontaneously formed hydrogels under physiological conditions, indicating a less hindered thermodynamic path to self-assembly relative to previous prodrug-only designs. However, material studies on the supramolecular arrangement, formation, and mechanical properties of the resultant sPDC hydrogels as well as their drug release profiles showed complex relationships between the hydrophobic and peptide domains in the formation and function of the resulting assemblies. Together, these results indicate that sPDC material properties are intrinsically linked to holistic molecular design with coupled contributions from their prodrug and peptide domains in directing properties of the emergent materials.
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Affiliation(s)
- Matthew J Sis
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Dongping Liu
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Isabella Allen
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Matthew J Webber
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
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2
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Cheng Q, Hao A, Xing P. Engineering π-Conjugation of Phenylalanine Derivatives for Controllable Chiral Folding and Self-Assemblies. ACS NANO 2024. [PMID: 38315078 DOI: 10.1021/acsnano.3c12063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
π-π stacking interaction is an attractive interaction that involves aromatic groups containing π-conjugated domains. It is a promising strategy for stabilizing folded structures with interesting chiroptical properties and manipulating the supramolecular chiral self-assembly process. In this study, we report the engineering of π-conjugated amino acids that utilize π-π stacking interactions to manipulate chiral folding as well as self-assembly evolution. Stepwise conjugation of phenyl, naphthyl, and pyrenyl to N-terminal phenylalanine derivatives witnessed the folding through intramolecular π-interactions in solution phase, which facilitated the formation of chiral geometry and the emergence of chiral optics. Introduction of aromatic domains efficiently lowers the critical aggregation concentration in the aqueous media. Molecular folding enables a special concentration-dependent self-assembly, whereby the supramolecular chirality accomplished inversion with the evolution of helical nanoarchitectures. This work develops a strategy to engineer π-conjugated amino acids with controllable folding behaviors, which also offers implications for the rational design of functional chiral materials.
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Affiliation(s)
- Qiuhong Cheng
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Aiyou Hao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Pengyao Xing
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
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3
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Schmid SY, Lachowski K, Chiang HT, Pozzo L, De Yoreo J, Zhang S. Mechanisms of Biomolecular Self-Assembly Investigated Through In Situ Observations of Structures and Dynamics. Angew Chem Int Ed Engl 2023; 62:e202309725. [PMID: 37702227 DOI: 10.1002/anie.202309725] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Indexed: 09/14/2023]
Abstract
Biomolecular self-assembly of hierarchical materials is a precise and adaptable bottom-up approach to synthesizing across scales with considerable energy, health, environment, sustainability, and information technology applications. To achieve desired functions in biomaterials, it is essential to directly observe assembly dynamics and structural evolutions that reflect the underlying energy landscape and the assembly mechanism. This review will summarize the current understanding of biomolecular assembly mechanisms based on in situ characterization and discuss the broader significance and achievements of newly gained insights. In addition, we will also introduce how emerging deep learning/machine learning-based approaches, multiparametric characterization, and high-throughput methods can boost the development of biomolecular self-assembly. The objective of this review is to accelerate the development of in situ characterization approaches for biomolecular self-assembly and to inspire the next generation of biomimetic materials.
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Affiliation(s)
- Sakshi Yadav Schmid
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99354, USA
| | - Kacper Lachowski
- Chemical Engineering, University of Washington, Seattle, WA 98105, USA
- Molecular Engineering and Sciences Institute, University of Washington, Seattle, WA 98105, USA
| | - Huat Thart Chiang
- Chemical Engineering, University of Washington, Seattle, WA 98105, USA
| | - Lilo Pozzo
- Chemical Engineering, University of Washington, Seattle, WA 98105, USA
- Molecular Engineering and Sciences Institute, University of Washington, Seattle, WA 98105, USA
- Materials Science and Engineering, University of Washington, Seattle, WA 98105, USA
| | - Jim De Yoreo
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99354, USA
- Materials Science and Engineering, University of Washington, Seattle, WA 98105, USA
| | - Shuai Zhang
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99354, USA
- Molecular Engineering and Sciences Institute, University of Washington, Seattle, WA 98105, USA
- Materials Science and Engineering, University of Washington, Seattle, WA 98105, USA
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4
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Xie L, Guo R, Yang L, Ozaki Y, Noda I, Xu Y, Huang K. A new approach to recognizing the correct pattern of cross-peaks from a noisy 2D asynchronous spectrum by detecting intrinsic symmetry via the Kolmogorov-Smirnov test. Phys Chem Chem Phys 2023; 25:12863-12871. [PMID: 37165857 DOI: 10.1039/d2cp05350k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The characteristic cluster pattern of cross-peaks in a 2D asynchronous spectrum provides an effective way to reveal the specific physicochemical nature of subtle spectral changes caused by intermolecular interactions. However, the inevitable presence of noise in the 1D spectra used to construct a 2D asynchronous spectrum is significantly amplified, which poses a serious challenge in identifying the correct cluster pattern of the cross-peaks. While mirror symmetry occurs in some types of cross-peaks, it does not occur in other types. The Kolmogorov-Smirnov test provides a statistical means to check whether the mirror symmetry exists or not between a pair of cross-peaks covered by heavy noise. Thus, different types of cross-peak clusters can be distinguished by excavating intrinsic spectral features from the noisy 2D asynchronous spectrum. The effectiveness of this approach in investigating the nature of intermolecular interactions was showcased in both a simulated model system and a real artemisinin/N-methyl pyrrolidone system.
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Affiliation(s)
- Linchen Xie
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
| | - Ran Guo
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
- Beijing CKC, PerkinElmer Inc., Beijing 100015, P. R. China
| | - Limin Yang
- State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China.
| | - Yukihiro Ozaki
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
- School of Biological and Environmental Sciences, Kwansei Gakuin University, Sanda, Hyogo 669-1330, Japan
| | - Isao Noda
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
- Department of Materials Science and Engineering, University of Delaware, Newark, DE 19716, USA
| | - Yizhuang Xu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.
| | - Kun Huang
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China.
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5
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Kumar V, Ozguney B, Vlachou A, Chen Y, Gazit E, Tamamis P. Peptide Self-Assembled Nanocarriers for Cancer Drug Delivery. J Phys Chem B 2023; 127:1857-1871. [PMID: 36812392 PMCID: PMC10848270 DOI: 10.1021/acs.jpcb.2c06751] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 12/24/2022] [Indexed: 02/24/2023]
Abstract
The design of novel cancer drug nanocarriers is critical in the framework of cancer therapeutics. Nanomaterials are gaining increased interest as cancer drug delivery systems. Self-assembling peptides constitute an emerging novel class of highly attractive nanomaterials with highly promising applications in drug delivery, as they can be used to facilitate drug release and/or stability while reducing side effects. Here, we provide a perspective on peptide self-assembled nanocarriers for cancer drug delivery and highlight the aspects of metal coordination, structure stabilization, and cyclization, as well as minimalism. We review particular challenges in nanomedicine design criteria and, finally, provide future perspectives on addressing a portion of the challenges via self-assembling peptide systems. We consider that the intrinsic advantages of such systems, along with the increasing progress in computational and experimental approaches for their study and design, could possibly lead to novel classes of single or multicomponent systems incorporating such materials for cancer drug delivery.
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Affiliation(s)
- Vijay
Bhooshan Kumar
- The
Shmunis School of Biomedicine and Cancer Research, George S. Wise
Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Busra Ozguney
- Artie
McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843-3122, United States
| | - Anastasia Vlachou
- Artie
McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843-3122, United States
| | - Yu Chen
- The
Shmunis School of Biomedicine and Cancer Research, George S. Wise
Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Ehud Gazit
- The
Shmunis School of Biomedicine and Cancer Research, George S. Wise
Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
- Department
of Materials Science and Engineering, Iby and Aladar Fleischman Faculty
of Engineering, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol
School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Phanourios Tamamis
- Artie
McFerrin Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843-3122, United States
- Department
of Materials Science and Engineering, Texas
A&M University, College
Station, Texas 77843-3003, United States
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6
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Xie L, He A, Han J, Wu Y, Li D, Li X, Yang L, Huang K, Ozaki Y, Noda I, Xu Y. Robust Approach to Estimating the Stoichiometric Ratio of Supramolecular Complexes Using the Volume of Cross-Peaks in 2D Asynchronous Spectra and the Jonckheere–Terpstra Test. Anal Chem 2022; 94:15621-15630. [DOI: 10.1021/acs.analchem.2c02332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Linchen Xie
- School of Biology and Medicine, Beijing City University, Beijing 100094, China
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
| | - Anqi He
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Jia Han
- School of Biology and Medicine, Beijing City University, Beijing 100094, China
| | - Yi Wu
- School of Biology and Medicine, Beijing City University, Beijing 100094, China
| | - Da Li
- School of Biology and Medicine, Beijing City University, Beijing 100094, China
| | - Xiaopei Li
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, PR China
| | - Limin Yang
- State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, School of Physics, Peking University, Beijing 100871, China
| | - Kun Huang
- School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Yukihiro Ozaki
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- School of Biological and Environmental Sciences, Kwansei Gakuin University, Sanda, Hyogo 669-1330, Japan
| | - Isao Noda
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
- Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, United States
| | - Yizhuang Xu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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7
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Sis MJ, Ye Z, La Costa K, Webber MJ. Energy Landscapes of Supramolecular Peptide–Drug Conjugates Directed by Linker Selection and Drug Topology. ACS NANO 2022; 16:9546-9558. [PMID: 35639629 PMCID: PMC10019486 DOI: 10.1021/acsnano.2c02804] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Affiliation(s)
- Matthew J. Sis
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Zhou Ye
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Katherine La Costa
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Matthew J. Webber
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
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8
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Huang R, Ma Y, Peng A. The Colorimetric Identification of NO
2
−
in Latent Fingerprints by Hydroxypropyl‐β‐cyclodextrin. ChemistrySelect 2022. [DOI: 10.1002/slct.202104392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Rui Huang
- Criminal Investigation School Southwest University of Political Science and Law Chongqing 401120 China
- Chongqing University Physical Evidence Technology Engineering Research Center Chongqing 401120 China
- Chongqing Criminal Technology Key Laboratory Chongqing 401120 China
- National Drug Governance Research Center Southwest University of Political Science and Law Chongqing 401120 China
| | - Yuyao Ma
- Criminal Investigation School Southwest University of Political Science and Law Chongqing 401120 China
| | - An Peng
- Criminal Investigation School Southwest University of Political Science and Law Chongqing 401120 China
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9
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Saikia J, Dharmalingam K, Anandalakshmi R, Redkar AS, Bhat VT, Ramakrishnan V. Electric field modulated peptide based hydrogel nanocatalysts. SOFT MATTER 2021; 17:9725-9735. [PMID: 34643203 DOI: 10.1039/d1sm00724f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The ability to modulate self-assembly is the key to manufacture application-oriented materials. In this study, we investigated the effect of three independent variables that can modulate the catalytic activity of self-assembling peptides. The first two variables, amino acid sequence and its stereochemistry, were examined for their specific roles in the epitaxial growth and hydrogelation properties of a series of catalytic tripeptides. We observed that aromatic π-π interactions that direct the self-assembly of designed peptides, and the catalytic properties of hydrogels, are governed by the position and chirality of the proline residue. Subsequently, the influence of the third variable, an external electric field, was also tested to confirm its catalytic efficiency for the asymmetric C-C bond-forming aldol reaction. In particular, the electric field treated pff and PFF gels showed 10 and 36% higher stereoselectivity, respectively, compared with the control. Structure-property analysis using CD and FTIR spectroscopy indicates the electric field-induced beta to non-beta conformational transition in the peptide secondary structure, which corroborates with its reduced cross-link density and fibril width, respectively. Amplitude sweep rheology of the gels suggests a decrease in the storage modulus, with increased field strength. The results showed that an electric field of optimal strength can modulate the physical characteristics of the hydrogel, which in turn is manifested in the observed difference in enantioselectivity.
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Affiliation(s)
- Jahnu Saikia
- Molecular Informatics and Design Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India.
| | - K Dharmalingam
- Advanced Energy & Materials Systems Laboratory, Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - R Anandalakshmi
- Advanced Energy & Materials Systems Laboratory, Department of Chemical Engineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Amay Sanjay Redkar
- Molecular Informatics and Design Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India.
| | - Venugopal T Bhat
- Organic Synthesis and Catalysis Laboratory SRM Research Institute and Department of Chemistry SRM Institute of Science and Technology, Tamil Nadu 603203, India.
| | - Vibin Ramakrishnan
- Molecular Informatics and Design Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India.
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10
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Li X, Sun W, Qin X, Xie Y, Liu N, Luo X, Wang Y, Chen X. An interesting possibility of forming special hole stepping stones with high-stacking aromatic rings in proteins: three-π five-electron and four-π seven-electron resonance bindings. RSC Adv 2021; 11:26672-26682. [PMID: 35479969 PMCID: PMC9037495 DOI: 10.1039/d1ra05341h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 07/30/2021] [Indexed: 11/30/2022] Open
Abstract
Long-range hole transfer of proteins plays an important role in many biological processes of living organisms. Therefore, it is highly useful to examine the possible hole stepping stones, which can facilitate hole transfer in proteins. However, the structures of stepping stones are diverse because of the complexity of the protein structures. In the present work, we proposed a series of special stepping stones, which are instantaneously formed by three and four packing aromatic side chains of amino acids to capture a hole, corresponding to three-π five-electron (π:π∴π↔π∴π:π) and four-π seven-electron (π:π∴π:π↔π:π:π∴π) resonance bindings with appropriate binding energies. The aromatic amino acids include histidine (His), phenylalanine (Phe), tyrosine (Tyr) and tryptophan (Trp). The formations of these special stepping stones can effectively reduce the local ionization potential of the high π-stacking region to efficiently capture the migration hole. The quick formations and separations of them promote the efficient hole transfer in proteins. More interestingly, we revealed that a hole cannot delocalize over infinite aromatic rings along the high π-π packing structure at the same time and the micro-surroundings of proteins can modulate the formations of π:π∴π↔π∴π:π and π:π∴π:π↔π:π:π∴π bindings. These results may contribute a new avenue to better understand the potential hole transfer pathway in proteins.
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Affiliation(s)
- Xin Li
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 401331 P.R. China
- National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University Chongqing 401331 P.R. China
| | - Weichao Sun
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 401331 P.R. China
- National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University Chongqing 401331 P.R. China
| | - Xin Qin
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 401331 P.R. China
- National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University Chongqing 401331 P.R. China
| | - Yuxin Xie
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 401331 P.R. China
- National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University Chongqing 401331 P.R. China
| | - Nian Liu
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 401331 P.R. China
- National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University Chongqing 401331 P.R. China
| | - Xin Luo
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 401331 P.R. China
- National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University Chongqing 401331 P.R. China
| | - Yuanying Wang
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 401331 P.R. China
- National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University Chongqing 401331 P.R. China
| | - Xiaohua Chen
- Chongqing Key Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Chongqing University Chongqing 401331 P.R. China
- National-Municipal Joint Engineering Laboratory for Chemical Process Intensification and Reaction, Chongqing University Chongqing 401331 P.R. China
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11
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Mougin J, Bourgaux C, Couvreur P. Elongated self-assembled nanocarriers: From molecular organization to therapeutic applications. Adv Drug Deliv Rev 2021; 172:127-147. [PMID: 33705872 DOI: 10.1016/j.addr.2021.02.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/18/2020] [Accepted: 02/26/2021] [Indexed: 12/31/2022]
Abstract
Self-assembled cylindrical aggregates made of amphiphilic molecules emerged almost 40 years ago. Due to their length up to micrometers, those particles display original physico-chemical properties such as important flexibility and, for concentrated samples, a high viscoelasticity making them suitable for a wide range of industrial applications. However, a quarter of century was needed to successfully take advantage of those improvements towards therapeutic purposes. Since then, a wide diversity of biocompatible materials such as polymers, lipids or peptides, have been developed to design self-assembling elongated drug nanocarriers, suitable for therapeutic or diagnostic applications. More recently, the investigation of the main forces driving the unidirectional growth of these nanodevices allowed a translation toward the formation of pure nanodrugs to avoid the use of unnecessary side materials and the possible toxicity concerns associated.
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Affiliation(s)
- Julie Mougin
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296 Châtenay-Malabry, France.
| | - Claudie Bourgaux
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296 Châtenay-Malabry, France.
| | - Patrick Couvreur
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 92296 Châtenay-Malabry, France.
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12
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Velez JX, Zheng Z, Beller DA, Serra F. Emergence and stabilization of transient twisted defect structures in confined achiral liquid crystals at a phase transition. SOFT MATTER 2021; 17:3848-3854. [PMID: 33885449 DOI: 10.1039/d0sm02040k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Spontaneous emergence of chirality is a pervasive theme in soft matter. We report a transient twist forming in achiral nematic liquid crystals confined to a capillary tube with square cross section. At the smectic-nematic phase transition, intertwined disclination line pairs are observed with both helical and kinked lozenge-like contours, configurations that we promote through capillary cross-section geometry and stabilize using fluorescent amphiphilic molecules. The observed texture is similar to that found in "exotic" materials such as chromonics, but it is here observed in common thermotropic nematics upon heating from the smectic into the nematic phase. Numerical modeling further reveals that the disclinations may possess winding characters that are intermediate between wedge and twist, and that vary along the defect contours. In our experiments, we utilize a phase transition to generate otherwise elusive defect structures in common liquid crystal materials.
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Affiliation(s)
- Jose X Velez
- Johns Hopkins University, Dept. Physics and Astronomy, Baltimore, USA.
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13
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Lo Cascio E, Toto A, Babini G, De Maio F, Sanguinetti M, Mordente A, Della Longa S, Arcovito A. Structural determinants driving the binding process between PDZ domain of wild type human PALS1 protein and SLiM sequences of SARS-CoV E proteins. Comput Struct Biotechnol J 2021; 19:1838-1847. [PMID: 33758649 PMCID: PMC7970798 DOI: 10.1016/j.csbj.2021.03.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 03/13/2021] [Accepted: 03/13/2021] [Indexed: 12/21/2022] Open
Abstract
Short Linear Motifs (SLiMs) are functional protein microdomains that typically mediate interactions between a short linear region in one protein and a globular domain in another. Surface Plasmon Resonance assays have been performed to determine the binding affinity between PDZ domain of wild type human PALS1 protein and tetradecapeptides representing the SLiMs sequences of SARS-CoV-1 and SARS-CoV-2 E proteins (E-SLiMs). SARS-CoV-2 E-SLiM binds to the human target protein with a higher affinity compared to SARS-CoV-1, showing a difference significantly greater than previously reported using the F318W mutant of PALS1 protein and shorter target peptides. Moreover, molecular dynamics simulations have provided clear evidence of the structural determinants driving this binding process. Specifically, the Arginine 69 residue in the SARS-CoV-2 E-SLiM is the key residue able to both enhance the specific polar interaction with negatively charged pockets of the PALS1 PDZ domain and reduce significantly the mobility of the viral peptide. These experimental and computational data are reinforced by the comparison of the interaction between the PALS1 PDZ domain with the natural ligand CRB1, as well as the corresponding E-SLiMs of other coronavirus members such as MERS and OCF43. Our results provide a model at the molecular level of the strategies used to mimic the endogenous SLiM peptide in the binding of the tight junctions of the host cell, explaining one of the possible reasons of the severity of the infection and pulmonary inflammation by SARS-CoV-2.
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Affiliation(s)
- Ettore Lo Cascio
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy
| | - Angelo Toto
- Istituto Pasteur-Fondazione Cenci Bolognetti, Dipartimento di Scienze Biochimiche "A. Rossi Fanelli" and Istituto di Biologia e Patologia Molecolari del CNR, Sapienza Università di Roma, 00185 Rome, Italy
| | - Gabriele Babini
- Dipartimento di Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo A. Gemelli 8, 00168 Roma, Italy
| | - Flavio De Maio
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy.,Dipartimento di Scienze di Laboratorio e Infettivologiche, Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo A. Gemelli 8, 00168 Roma, Italy
| | - Maurizio Sanguinetti
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy.,Dipartimento di Scienze di Laboratorio e Infettivologiche, Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo A. Gemelli 8, 00168 Roma, Italy
| | - Alvaro Mordente
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy.,Dipartimento di Scienze di Laboratorio e Infettivologiche, Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo A. Gemelli 8, 00168 Roma, Italy
| | - Stefano Della Longa
- Department of Life, Health and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy
| | - Alessandro Arcovito
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Roma, Italy.,Fondazione Policlinico Universitario "A. Gemelli", IRCCS, Largo A. Gemelli 8, 00168 Roma, Italy
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14
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Tang PK, Manandhar A, Hu W, Kang M, Loverde SM. The Interaction of Supramolecular Anticancer Drug Amphiphiles with Phospholipid Membranes. NANOSCALE ADVANCES 2021; 3:370-382. [PMID: 33796816 PMCID: PMC8010983 DOI: 10.1039/d0na00697a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 10/26/2020] [Indexed: 06/12/2023]
Abstract
The shape of drug delivery vehicles impacts both the circulation time and the effectiveness of the vehicle. Peptide-based drug amphiphiles (DAs) are promising new candidates as drug delivery vehicles that can self-assemble into shapes such as nanofilament and nanotube (diameter ~ 6-10 nm). The number of conjugated drugs affects the IC50 of these DAs, which is correlated to the effective cellular uptake. Characterizing and optimizing the interaction of these DAs and their assemblies with the cellular membrane is experimentally challenging. Long-time molecular dynamics can determine if the DA molecular structure affects the translocation across and interaction with the cellular membrane. Here, we report long-time atomistic simulation on Anton 2 (up to 25 μs) of these DAs with model cellular membranes. Results indicate that the interaction of these DAs with model cellular membranes is dependent on the number of conjugated drugs. We find that, with increased drug loading, the hydrophobic drug (camptothecin) builds up in the outer hydrophobic core of the membrane, pulling in positively charged peptide groups. Next, we computationally probe the interaction of differing shapes of these model drug delivery vehicles-nanofilament and nanotube-with the same model membranes, finding that the interaction of these nanostructures with the membrane is strongly repulsive. Results suggest that the hydrogen bond density between the nanostructure and the membrane may play a key role in modulating the interaction between the nanostructure and the membrane. Taken together, these results offer important insights for the rational design of peptide-based drug delivery vehicles.
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Affiliation(s)
- Phu K. Tang
- Department of Chemistry, College of Staten Island, City University of New York2800 Victory Blvd., 6S-238Staten IslandNY 10314USA
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New YorkNew YorkUSA
| | - Anjela Manandhar
- Department of Chemistry, College of Staten Island, City University of New York2800 Victory Blvd., 6S-238Staten IslandNY 10314USA
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New YorkNew YorkUSA
| | - William Hu
- Hunter College High SchoolNew YorkNY 10128USA
| | - Myungshim Kang
- Department of Chemistry, College of Staten Island, City University of New York2800 Victory Blvd., 6S-238Staten IslandNY 10314USA
| | - Sharon M. Loverde
- Department of Chemistry, College of Staten Island, City University of New York2800 Victory Blvd., 6S-238Staten IslandNY 10314USA
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New YorkNew YorkUSA
- Ph.D. Program in Chemistry and Physics, The Graduate Center of the City University of New YorkNew YorkUSA
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15
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Panda SS, Shmilovich K, Ferguson AL, Tovar JD. Computationally Guided Tuning of Amino Acid Configuration Influences the Chiroptical Properties of Supramolecular Peptide-π-Peptide Nanostructures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:6782-6792. [PMID: 32491857 DOI: 10.1021/acs.langmuir.0c00961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Self-assembled supramolecular materials derived from peptidic macromolecules with π-conjugated building blocks are of enormous interest because of their aqueous solubility and biocompatibility. The design rules to achieve tailored optoelectronic properties from these types of materials can be guided by computation and virtual screening rather than intuition-based experimental trial-and-error. Using machine learning, we reported previously that the supramolecular chirality in self-assembled aggregates from VEVAG-π-GAVEV type peptidic materials was most strongly influenced by hydrogen bonding and hydrophobic packing of the alanine and valine residues. Herein, we build upon this idea to demonstrate through molecular-level experimental characterization and all-atom molecular modeling that varying the stereogenic centers of these residues has a profound impact on the optoelectronic properties of the supramolecular aggregates, whereas the variation of stereogenic centers of other residues has only nominal influence on these properties. This study highlights the synergy between computational and experimental insight relevant to the control of chiroptical or other electronic properties associated with supramolecular materials.
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Affiliation(s)
| | - Kirill Shmilovich
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
| | - Andrew L Ferguson
- Pritzker School of Molecular Engineering, University of Chicago, 5640 South Ellis Avenue, Chicago, Illinois 60637, United States
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16
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Stimuli-responsive nano-assemblies for remotely controlled drug delivery. J Control Release 2020; 322:566-592. [DOI: 10.1016/j.jconrel.2020.03.051] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/19/2020] [Accepted: 03/31/2020] [Indexed: 12/30/2022]
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17
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Khalilinia E, Ebrahimi A. π-Stacking effects on acid capacity of p-aminobenzoic acid. Struct Chem 2020. [DOI: 10.1007/s11224-020-01530-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Tang PK, Chakraborty K, Hu W, Kang M, Loverde SM. Interaction of Camptothecin with Model Cellular Membranes. J Chem Theory Comput 2020; 16:3373-3384. [PMID: 32126167 DOI: 10.1021/acs.jctc.9b00541] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Accurate and efficient prediction of drug partitioning in model membranes is of significant interest to the pharmaceutical industry. Herein, we utilize advanced sampling methods, specifically, the adaptive biasing force methodology to calculate the potential of mean force for a model hydrophobic anticancer drug, camptothecin (CPT), across three model interfaces. We consider an octanol bilayer, a thick octanol/water interface, and a model 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine (POPC)/water interface. We characterize the enthalpic and entropic contributions of the drug to the potential of mean force. We show that the rotational entropy of the drug is inversely related to the probability of hydrogen bond formation of the drug with the POPC membrane. In addition, in long-time microsecond simulations of a high concentration of CPT above the POPC membrane, we show that strong drug-drug aromatic interactions shift the spatial orientation of the drug with the membrane. Stacks of hydrophobic drugs form, allowing penetration of the drug just under the POPC head groups. These results imply that inhomogeneous membrane models need to take into account the effect of drug aggregation on the membrane environment.
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Affiliation(s)
- Phu K Tang
- Department of Chemistry, College of Staten Island, City University of New York, 2800 Victory Boulevard, 6S-238, Staten Island, New York 10314, United States.,Ph.D. Program in Chemistry, Biochemistry, and Physics, The Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Kaushik Chakraborty
- Department of Chemistry, College of Staten Island, City University of New York, 2800 Victory Boulevard, 6S-238, Staten Island, New York 10314, United States
| | - William Hu
- Hunter College High School, New York, New York, 10128, United States
| | - Myungshim Kang
- Department of Chemistry, College of Staten Island, City University of New York, 2800 Victory Boulevard, 6S-238, Staten Island, New York 10314, United States
| | - Sharon M Loverde
- Department of Chemistry, College of Staten Island, City University of New York, 2800 Victory Boulevard, 6S-238, Staten Island, New York 10314, United States.,Department of Physics, Graduate Center, City University of New York, 365 Fifth Avenue, New York, New York 10016, United States.,Ph.D. Program in Chemistry, Biochemistry, and Physics, The Graduate Center of the City University of New York, New York, New York 10016, United States
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19
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Ermilova I, Lyubartsev AP. Modelling of interactions between Aβ(25-35) peptide and phospholipid bilayers: effects of cholesterol and lipid saturation. RSC Adv 2020; 10:3902-3915. [PMID: 35492630 PMCID: PMC9048594 DOI: 10.1039/c9ra06424a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 12/14/2019] [Indexed: 11/25/2022] Open
Abstract
Aggregation of amyloid beta (Aβ) peptides in neuronal membranes is a known promoter of Alzheimer’s disease. To gain insight into the molecular details of Aβ peptide aggregation and its effect on model neuronal membranes, we carried out molecular dynamics simulations of the Aβ(25–35) fragment of the amyloid precursor protein in phospholipid bilayers composed of either fully saturated or highly unsaturated lipids, in the presence or absence of cholesterol. It was found that the peptide does not penetrate through any of the considered membranes, but can reside in the headgroup region and upper part of the lipid tails showing a clear preference to a polyunsaturated cholesterol-free membrane. Due to the ordering and condensing effect upon addition of cholesterol, membranes become more rigid facilitating peptide aggregation on the surface. Except for the case of the cholesterol-free saturated lipid bilayer, the peptides have a small effect on the membrane structure and ordering. It was also found that the most “active” amino-acid for peptide–lipid and peptide–cholesterol interaction is methionine-35, followed by asparagine-27 and serine-26, which form hydrogen bonds between peptides and polar atoms of lipid headgroups. These amino acids are also primarily responsible for peptide aggregation. This work will be relevant for designing strategies to develop drugs to combat Alzheimer’s disease. Molecular dynamics simulations of Aβ(25–35) peptides in phospholipid bilayers are carried out to investigate the effect of polyunsaturated lipids and cholesterol on aggregation of the peptides. ![]()
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Affiliation(s)
- Inna Ermilova
- Department of Materials and Environmental Chemistry, Stockholm University Stockholm Sweden +46 8161193
| | - Alexander P Lyubartsev
- Department of Materials and Environmental Chemistry, Stockholm University Stockholm Sweden +46 8161193
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20
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Manandhar A, Chakraborty K, Tang PK, Kang M, Zhang P, Cui H, Loverde SM. Rational Coarse-Grained Molecular Dynamics Simulations of Supramolecular Anticancer Nanotubes. J Phys Chem B 2019; 123:10582-10593. [DOI: 10.1021/acs.jpcb.9b07417] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Anjela Manandhar
- Department of Chemistry, College of Staten Island, City University of New York, New York 10314, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York 10016, United States
| | - Kaushik Chakraborty
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York 10016, United States
| | - Phu K. Tang
- Department of Chemistry, College of Staten Island, City University of New York, New York 10314, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York 10016, United States
| | - Myungshim Kang
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York 10016, United States
| | - Pengcheng Zhang
- Center of Pharmaceutics, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering and Institute for NanoBioTechnology, The Johns Hopkins University, 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
| | - Sharon M. Loverde
- Department of Chemistry, College of Staten Island, City University of New York, New York 10314, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York 10016, United States
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21
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Panda SS, Shmilovich K, Ferguson AL, Tovar JD. Controlling Supramolecular Chirality in Peptide-π-Peptide Networks by Variation of the Alkyl Spacer Length. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:14060-14073. [PMID: 31566986 DOI: 10.1021/acs.langmuir.9b02683] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Self-assembled supramolecular organic materials with π-functionalities are of great interest because of their applications as biocompatible nanoelectronics. A detailed understanding of molecular parameters to modulate the formation of hierarchical structures can inform design principles for materials with engineered optical and electronic properties. In this work, we combine molecular-level characterization techniques with all-atom molecular simulations to investigate the subtle relationship between the chemical structure of peptide-π-peptide molecules and the emergent supramolecular chirality of their spontaneously self-assembled nanoaggregates. We demonstrate through circular dichroism measurements that we can modulate the chirality by incorporating alkyl spacers of various lengths in between the peptides and thienylene-phenylene π-system chromophores: even numbers of alkyl carbons in the spacer units (0, 2) induce M-type helical character whereas odd numbers (1, 3) induce P-type. Corroborating molecular dynamics simulations and explicating machine learning analysis techniques identify hydrogen bonding and hydrophobic packing to be the principal discriminants of the observed chirality switches. Our results present a molecular-level design rule to engineer chirality into optically and electronically active nanoaggregates of these peptidic building blocks by exploiting systematic variations in the alkyl spacer length.
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Affiliation(s)
| | - Kirill Shmilovich
- Pritzker School of Molecular Engineering , University of Chicago , 5640 South Ellis Avenue , Chicago , Illinois 60637 , United States
| | - Andrew L Ferguson
- Pritzker School of Molecular Engineering , University of Chicago , 5640 South Ellis Avenue , Chicago , Illinois 60637 , United States
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22
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Ntarakas N, Ermilova I, Lyubartsev AP. Effect of lipid saturation on amyloid-beta peptide partitioning and aggregation in neuronal membranes: molecular dynamics simulations. EUROPEAN BIOPHYSICS JOURNAL: EBJ 2019; 48:813-824. [PMID: 31655893 PMCID: PMC6853862 DOI: 10.1007/s00249-019-01407-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 10/02/2019] [Accepted: 10/13/2019] [Indexed: 12/05/2022]
Abstract
Aggregation of amyloid-\documentclass[12pt]{minimal}
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\begin{document}$$\beta $$\end{document}β (Aβ) peptides, cleaved from the amyloid precursor protein, is known as a precursor of the Alzheimer’s disease (AD). It is also known that Alzheimer’s disease is characterized by a substantial decrease of the amount of polyunsaturated lipids in the neuronal membranes of the frontal gray matter. To get insight into possible interconnection of these phenomena, we have carried out molecular dynamics simulations of two fragments of A\documentclass[12pt]{minimal}
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\begin{document}$$\beta $$\end{document}β peptide, A\documentclass[12pt]{minimal}
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\begin{document}$$_{1-28}$$\end{document}1-28 and A\documentclass[12pt]{minimal}
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\begin{document}$$_{26-40}$$\end{document}26-40, in four different lipid bilayers: two monocomponent ones (14:0-14:0 PC, 18:0-22:6 PC), and two bilayers containing mixtures of 18:0-18:0 PE, 22:6-22:6 PE, 16:0-16:0 PC and 18:1-18:1 PC lipids of composition mimicking neuronal membranes in a “healthy” and “AD” brain. The simulations showed that the presence of lipids with highly unsaturated 22:6cis fatty acids chains strongly affects the interaction of amyloid-\documentclass[12pt]{minimal}
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\begin{document}$$\beta $$\end{document}β peptides with lipid membranes. The polyunsaturated lipids cause stronger adsorption of A\documentclass[12pt]{minimal}
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\begin{document}$$\beta $$\end{document}β-peptides by the membrane and lead to weaker binding between peptides when the latter form aggregates. This difference in the behaviour observed in monocomponent bilayers is propagated in a similar fashion to the mixed membranes mimicking composition of neuronal membranes in “healthy” and “AD” brains, with “healthy” membrane having higher fraction of polyunsaturated lipids. Our simulations give strong indication that it can be physical–chemical background of the interconnection between amyloid fibrillization causing Alzheimer’s disease, and content of polyunsaturated lipids in the neuronal membranes.
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Affiliation(s)
- Nikolaos Ntarakas
- Department of Materials and Environmental Chemistry, Stockholm's University, 10691, Stockholm, Sweden
| | - Inna Ermilova
- Department of Materials and Environmental Chemistry, Stockholm's University, 10691, Stockholm, Sweden
| | - Alexander P Lyubartsev
- Department of Materials and Environmental Chemistry, Stockholm's University, 10691, Stockholm, Sweden.
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23
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Ahn SH, Grate JW. Foldamer Architectures of Triazine-Based Sequence-Defined Polymers Investigated with Molecular Dynamics Simulations and Enhanced Sampling Methods. J Phys Chem B 2019; 123:9364-9377. [DOI: 10.1021/acs.jpcb.9b06067] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Surl-Hee Ahn
- Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, California 92093, United States
| | - Jay W. Grate
- Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352, United States
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24
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Li X, Zeng Y, Deng G, Xu Y, Ozaki Y, Noda I, Wu J. A Novel Approach Based on Two-Dimensional Correlation Spectroscopy to Determine the Stoichiometric Ratio of Two Substances Involved in Intermolecular Interactions. APPLIED SPECTROSCOPY 2019; 73:1051-1060. [PMID: 30990062 DOI: 10.1177/0003702819841625] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A novel technique called AOSD@Job's, combining asynchronous orthogonal sample design scheme (AOSD) with Job's method, is proposed to estimate the stoichiometric ratio of two substances that form a supramolecular aggregate under intermolecular interactions. First, a mathematical analysis was performed along with the procedure of the AOSD@Job's method. Then, the validity of the AOSD@Job's method was manifested by computer simulation on two model systems. Finally, the AOSD@Job's method was applied on two real chemical systems. The stoichiometric ratio between the coordination complex of Ni2+ and ethylenediaminetetraacetic acid disodium salt (EDTA) was estimated to be 1.0. Benzyl alcohol (BA) and β-cyclodextrin (β-CD) were determined to form a 1 : 1 host-guest complex. These values were consistent with the values reported in the literature. Compared with the traditional Job's method, the AOSD@Job's method has an evident advantage since it is still valid even if all the peaks of the supramolecular aggregate severely overlap with the peaks of the substances that form the aggregate.
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Affiliation(s)
- Xiaopei Li
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian, China
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Yiwei Zeng
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Gang Deng
- College of Biological Engineering, Dalian Polytechnic University, Dalian, China
| | - Yizhuang Xu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Yukihiro Ozaki
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian, China
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, Sanda, Hyogo, Japan
| | - Isao Noda
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
- Department of Materials Science and Engineering, University of Delaware, Newark, DE, USA
| | - Jinguang Wu
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
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25
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Clout AE, Buanz ABM, Gaisford S, Williams GR. Polymorphic Phase Transitions in Carbamazepine and 10,11-Dihydrocarbamazepine. Chemistry 2018; 24:13573-13581. [PMID: 29979477 PMCID: PMC6175174 DOI: 10.1002/chem.201802368] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 07/03/2018] [Indexed: 11/13/2022]
Abstract
Temperature-induced phase transitions in carbamazepine (CBZ) and 10,11-dihydrocarbamazepine (DHC) were studied by simultaneous differential scanning calorimetry-X-ray diffraction in this work. The transitions generally involve a transitional melt phase which is quickly followed by recrystallisation. The expansions of the unit cell as a function of temperature could be quantified and allow us to determine a directional order of stability in relation to the lattice constants. Dihydrocarbamazepine form II undergoes a conversion to form I by a localised melt phase. Carbamazepine (CBZ) form IV converts to form I at 182 °C, again by a localised intermediate melt phase. CBZ form II converted to form I at 119 °C by a pathway that appears to have included some melting, and form III underwent a part melt-recrystallisation and a part sublimation-recrystallisation to form I.
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Affiliation(s)
- Alexander E. Clout
- UCL School of PharmacyUniversity College London29–39 Brunswick SquareLondonWC1N 1AXUK
| | - Asma B. M. Buanz
- UCL School of PharmacyUniversity College London29–39 Brunswick SquareLondonWC1N 1AXUK
| | - Simon Gaisford
- UCL School of PharmacyUniversity College London29–39 Brunswick SquareLondonWC1N 1AXUK
| | - Gareth R. Williams
- UCL School of PharmacyUniversity College London29–39 Brunswick SquareLondonWC1N 1AXUK
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26
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Kang M, Chakraborty K, Loverde SM. Molecular Dynamics Simulations of Supramolecular Anticancer Nanotubes. J Chem Inf Model 2018; 58:1164-1168. [PMID: 29856610 PMCID: PMC6261261 DOI: 10.1021/acs.jcim.8b00193] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report here on long-time all-atomistic molecular dynamics simulations of functional supramolecular nanotubes composed by the self-assembly of peptide-drug amphiphiles (DAs). These DAs have been shown to possess an inherently high drug loading of the hydrophobic anticancer drug camptothecin. We probe the self-assembly mechanism from random with ∼0.4 μs molecular dynamics simulations. Furthermore, we also computationally characterize the interfacial structure, directionality of π-π stacking, and water dynamics within several peptide-drug nanotubes with diameters consistent with the reported experimental nanotube diameter. Insight gained should inform the future design of these novel anticancer drug delivery systems.
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Affiliation(s)
- Myungshim Kang
- Department of Chemistry, College of Staten Island, The City University of New York, 2800 Victory Boulevard, Staten Island, New York 10314, United States
| | - Kaushik Chakraborty
- Department of Chemistry, College of Staten Island, The City University of New York, 2800 Victory Boulevard, Staten Island, New York 10314, United States
| | - Sharon M. Loverde
- Department of Chemistry, College of Staten Island, The City University of New York, 2800 Victory Boulevard, Staten Island, New York 10314, United States
- Ph.D. Program in Chemistry, Biochemistry, and Physics, The Graduate Center of the City University of New York, New York, New York 10016, United States
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27
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Frederix PWJM, Patmanidis I, Marrink SJ. Molecular simulations of self-assembling bio-inspired supramolecular systems and their connection to experiments. Chem Soc Rev 2018; 47:3470-3489. [PMID: 29688238 PMCID: PMC5961611 DOI: 10.1039/c8cs00040a] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Indexed: 01/01/2023]
Abstract
In bionanotechnology, the field of creating functional materials consisting of bio-inspired molecules, the function and shape of a nanostructure only appear through the assembly of many small molecules together. The large number of building blocks required to define a nanostructure combined with the many degrees of freedom in packing small molecules has long precluded molecular simulations, but recent advances in computational hardware as well as software have made classical simulations available to this strongly expanding field. Here, we review the state of the art in simulations of self-assembling bio-inspired supramolecular systems. We will first discuss progress in force fields, simulation protocols and enhanced sampling techniques using recent examples. Secondly, we will focus on efforts to enable the comparison of experimentally accessible observables and computational results. Experimental quantities that can be measured by microscopy, spectroscopy and scattering can be linked to simulation output either directly or indirectly, via quantum mechanical or semi-empirical techniques. Overall, we aim to provide an overview of the various computational approaches to understand not only the molecular architecture of nanostructures, but also the mechanism of their formation.
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Affiliation(s)
- Pim W. J. M. Frederix
- Groningen Biomolecular Sciences and Biotechnology Institute and Zernike Institute for Advanced Materials , University of Groningen , Groningen , The Netherlands . ;
| | - Ilias Patmanidis
- Groningen Biomolecular Sciences and Biotechnology Institute and Zernike Institute for Advanced Materials , University of Groningen , Groningen , The Netherlands . ;
| | - Siewert J. Marrink
- Groningen Biomolecular Sciences and Biotechnology Institute and Zernike Institute for Advanced Materials , University of Groningen , Groningen , The Netherlands . ;
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Fan Q, Ji Y, Wang J, Wu L, Li W, Chen R, Chen Z. Self-assembly behaviours of peptide-drug conjugates: influence of multiple factors on aggregate morphology and potential self-assembly mechanism. ROYAL SOCIETY OPEN SCIENCE 2018; 5:172040. [PMID: 29765659 PMCID: PMC5936924 DOI: 10.1098/rsos.172040] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 03/13/2018] [Indexed: 05/30/2023]
Abstract
Peptide-drug conjugates (PDCs) as self-assembly prodrugs have the unique and specific features to build one-component nanomedicines. Supramolecular structure based on PDCs could form various morphologies ranging from nanotube, nanofibre, nanobelt to hydrogel. However, the assembly process of PDCs is too complex to predict or control. Herein, we investigated the effects of extrinsic factors on assembly morphology and the possible formation of nanostructures based on PDCs. To this end, we designed a PDC consisting of hydrophobic drug (S)-ketoprofen (Ket) and valine-glutamic acid dimeric repeats peptide (L-VEVE) to study their assembly behaviour. Our results showed that the critical assembly concentration of Ket-L-VEVE was 0.32 mM in water to form various nanostructures which experienced from micelle, nanorod, nanofibre to nanoribbon. The morphology was influenced by multiple factors including molecular design, assembly time, pH and hydrogen bond inhibitor. On the basis of experimental results, we speculated the possible assembly mechanism of Ket-L-VEVE. The π-π stacking interaction between Ket molecules could serve as an anchor, and hydrogen bonded-induced β-sheets and hydrophilic/hydrophobic balance between L-VEVE peptide play structure-directing role in forming filament-like or nanoribbon morphology. This work provides a new sight to rationally design and precisely control the nanostructure of PDCs based on aromatic fragment.
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Affiliation(s)
| | | | | | | | | | - Rui Chen
- Authors for correspondence: Rui Chen e-mail:
| | - Zhipeng Chen
- Authors for correspondence: Zhipeng Chen e-mail:
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29
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Lin YA, Kang M, Chen WC, Ou YC, Cheetham AG, Wu PH, Wirtz D, Loverde SM, Cui H. Isomeric control of the mechanical properties of supramolecular filament hydrogels. Biomater Sci 2018; 6:216-224. [DOI: 10.1039/c7bm00722a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Supramolecular filament hydrogels are an emerging class of biomaterials that hold great promise for regenerative medicine, tissue engineering, and drug delivery. The use of isomeric hydrocarbons in the peptide design enables fine-tuning of the mechanical properties of their supramolecular filament hydrogels without altering their network structures.
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Affiliation(s)
- Yi-An Lin
- Department of Chemical & Biomolecular Engineering
- Johns Hopkins University
- Baltimore
- USA
- Institute for NanoBiotechnology
| | - Myungshim Kang
- Department of Chemistry and Biochemistry
- The City University of New York
- College of Staten Island
- Staten Island
- USA
| | - Wei-Chiang Chen
- Department of Chemical & Biomolecular Engineering
- Johns Hopkins University
- Baltimore
- USA
- Institute for NanoBiotechnology
| | - Yu-Chuan Ou
- Department of Chemical & Biomolecular Engineering
- Johns Hopkins University
- Baltimore
- USA
| | - Andrew G. Cheetham
- Department of Chemical & Biomolecular Engineering
- Johns Hopkins University
- Baltimore
- USA
- Institute for NanoBiotechnology
| | - Pei-Hsun Wu
- Department of Chemical & Biomolecular Engineering
- Johns Hopkins University
- Baltimore
- USA
- Institute for NanoBiotechnology
| | - Denis Wirtz
- Department of Chemical & Biomolecular Engineering
- Johns Hopkins University
- Baltimore
- USA
- Institute for NanoBiotechnology
| | - Sharon M. Loverde
- Department of Chemistry and Biochemistry
- The City University of New York
- College of Staten Island
- Staten Island
- USA
| | - Honggang Cui
- Department of Chemical & Biomolecular Engineering
- Johns Hopkins University
- Baltimore
- USA
- Institute for NanoBiotechnology
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30
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Kang M, Cui H, Loverde SM. Coarse-grained molecular dynamics studies of the structure and stability of peptide-based drug amphiphile filaments. SOFT MATTER 2017; 13:7721-7730. [PMID: 28905963 PMCID: PMC5665727 DOI: 10.1039/c7sm00943g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Peptide-based supramolecular filaments, in particular filaments self-assembled by drug amphiphiles (DAs), possess great potential in the field of drug delivery. These filaments possess one hundred percent drug loading, with a release mechanism that can be tuned based on the dissociation of the supramolecular filaments and the degradation of the DAs [Cheetham et al., J. Am. Chem. Soc., 2013, 135(8), 2907]. Recently, much attention has been drawn to the competing intermolecular interactions that drive the self-assembly of peptide-based amphiphiles into supramolecular filaments. Recently, we reported on long-time atomistic molecular dynamics simulations to characterize the structure and growth of chiral filaments by the self-assembly of a DA containing the aromatic anti-cancer drug camptothecin [Kang et al., Macromolecules, 2016, 49(3), 994]. We found that the π-π stacking of the aromatic drug governs the early stages of the self-assembly process, while also contributing towards the chirality of the self-assembled filament. Based on these all-atomistic simulations, we now build a chemically accurate coarse-grained model that can capture the structure and stability of these supramolecular filaments at long time-scales (microseconds). These coarse-grained models successfully recapitulate the growth of the molecular clusters (and their elongation trends) compared with previously reported atomistic simulations. Furthermore, the interfacial structure and the helicity of the filaments are conserved. Next, we focus on characterization of the disassembly process of a 0.675 μm DA filament at microsecond time-scales. These results provide very useful tools for the rational design of functional supramolecular filaments, in particular supramolecular filaments for drug delivery applications.
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Affiliation(s)
- Myungshim Kang
- Department of Chemistry, College of Staten Island, The City University of New York, NY 10314, USA.
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Abstract
Covalent modification of therapeutic compounds is a clinically proven strategy to devise prodrugs with enhanced treatment efficacies. This prodrug strategy relies on the modified drugs that possess advantageous pharmacokinetic properties and administration routes over their parent drug. Self-assembling prodrugs represent an emerging class of therapeutic agents capable of spontaneously associating into well-defined supramolecular nanostructures in aqueous solutions. The self-assembly of prodrugs expands the functional space of conventional prodrug design, affording a possible pathway to more effective therapies as the assembled nanostructure possesses distinct physicochemical properties and interaction potentials that can be tailored to specific administration routes and disease treatment. In this review, we will discuss the various types of self-assembling prodrugs in development, providing an overview of the methods used to control their structure and function and, ultimately, our perspective on their current and future potential.
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Affiliation(s)
- Andrew G Cheetham
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, 1 Jianshe Eastern Road, Zhengzhou 450052, Henan, China
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32
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Manandhar A, Kang M, Chakraborty K, Tang PK, Loverde SM. Molecular simulations of peptide amphiphiles. Org Biomol Chem 2017; 15:7993-8005. [PMID: 28853474 PMCID: PMC5744600 DOI: 10.1039/c7ob01290j] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
This review describes recent progress in the area of molecular simulations of peptide assemblies, including peptide-amphiphiles and drug-amphiphiles. The ability to predict the structure and stability of peptide self-assemblies from the molecular level up is vital to the field of nanobiotechnology. Computational methods such as molecular dynamics offer the opportunity to characterize intermolecular forces between peptide-amphiphiles that are critical to the self-assembly process. Furthermore, these computational methods provide the ability to computationally probe the structure of these supramolecular assemblies at the molecular level, which is a challenge experimentally. Herein, we briefly highlight progress in the areas of all-atomistic and coarse-grained simulation studies investigating the self-assembly process of short peptides and peptide amphiphiles. We also discuss recent all-atomistic and coarse-grained simulations of the self-assembly of a drug-amphiphile into elongated filaments. Next, we discuss how these computational methods can provide further insight into the pathway of cylindrical nanofiber formation and predict their biocompatibility by studying the interaction of these peptide-amphiphile nanostructures with model cell membranes.
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Affiliation(s)
- Anjela Manandhar
- Department of Chemistry, College of Staten Island, City University of New York, Staten Island, NY 10314, USA.
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Cheetham AG, Lin YA, Lin R, Cui H. Molecular design and synthesis of self-assembling camptothecin drug amphiphiles. Acta Pharmacol Sin 2017; 38:874-884. [PMID: 28260797 PMCID: PMC5520181 DOI: 10.1038/aps.2016.151] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2016] [Accepted: 11/14/2016] [Indexed: 12/24/2022] Open
Abstract
The conjugation of small molecular hydrophobic anticancer drugs onto a short peptide with overall hydrophilicity to create self-assembling drug amphiphiles offers a new prodrug strategy, producing well-defined, discrete nanostructures with a high and quantitative drug loading. Here we show the detailed synthesis procedure and how the molecular structure can influence the synthesis of the self-assembling prodrugs and the physicochemical properties of their assemblies. A series of camptothecin-based drug amphiphiles were synthesized via combined solid- and solution-phase synthetic techniques, and the physicochemical properties of their self-assembled nanostructures were probed using a number of imaging and spectroscopic techniques. We found that the number of incorporated drug molecules strongly influences the rate at which the drug amphiphiles are formed, exerting a steric hindrance toward any additional drugs to be conjugated and necessitating extended reaction time. The choice of peptide sequence was found to affect the solubility of the conjugates and, by extension, the critical aggregation concentration and contour length of the filamentous nanostructures formed. In the design of self-assembling drug amphiphiles, the number of conjugated drug molecules and the choice of peptide sequence have significant effects on the nanostructures formed. These observations may allow the fine-tuning of the physicochemical properties for specific drug delivery applications, ie systemic vs local delivery.
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Affiliation(s)
- Andrew G Cheetham
- Department of Chemical and Biomolecular Chemistry and Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21211, USA
- Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21211, USA
| | - Yi-an Lin
- Department of Chemical and Biomolecular Chemistry and Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21211, USA
- Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21211, USA
| | - Ran Lin
- Department of Chemical and Biomolecular Chemistry and Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21211, USA
- Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21211, USA
| | - Honggang Cui
- Department of Chemical and Biomolecular Chemistry and Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21211, USA
- Institute for NanoBioTechnology (INBT), Johns Hopkins University, Baltimore, MD 21211, USA
- Department of Oncology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Center for Nanomedicine, The Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
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Wang Y, Cheetham AG, Angacian G, Su H, Xie L, Cui H. Peptide-drug conjugates as effective prodrug strategies for targeted delivery. Adv Drug Deliv Rev 2017; 110-111:112-126. [PMID: 27370248 PMCID: PMC5199637 DOI: 10.1016/j.addr.2016.06.015] [Citation(s) in RCA: 324] [Impact Index Per Article: 46.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 06/16/2016] [Accepted: 06/21/2016] [Indexed: 12/11/2022]
Abstract
Peptide-drug conjugates (PDCs) represent an important class of therapeutic agents that combine one or more drug molecules with a short peptide through a biodegradable linker. This prodrug strategy uniquely and specifically exploits the biological activities and self-assembling potential of small-molecule peptides to improve the treatment efficacy of medicinal compounds. We review here the recent progress in the design and synthesis of peptide-drug conjugates in the context of targeted drug delivery and cancer chemotherapy. We analyze carefully the key design features in choosing the peptide sequence and linker chemistry for the drug of interest, as well as the strategies to optimize the conjugate design. We highlight the recent progress in the design and synthesis of self-assembling peptide-drug amphiphiles to construct supramolecular nanomedicine and nanofiber hydrogels for both systemic and topical delivery of active pharmaceutical ingredients.
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Affiliation(s)
- Yin Wang
- Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA; Institute for NanoBioTechnology, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA
| | - Andrew G Cheetham
- Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA; Institute for NanoBioTechnology, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA
| | - Garren Angacian
- Department of Biomedical Engineering, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA
| | - Hao Su
- Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA; Institute for NanoBioTechnology, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA
| | - Lisi Xie
- Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA; Institute for NanoBioTechnology, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA
| | - Honggang Cui
- Department of Chemical and Biomolecular Engineering, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA; Institute for NanoBioTechnology, The Johns Hopkins University, 3400 N Charles Street, Baltimore, MD 21218, USA; Department of Oncology and Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Center for Nanomedicine, The Wilmer Eye Institute, Johns Hopkins University School of Medicine, 400 North Broadway, Baltimore, MD 21231, USA
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35
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Chen W, Qing G, Sun T. A novel aggregation-induced emission enhancement triggered by the assembly of a chiral gelator: from non-emissive nanofibers to emissive micro-loops. Chem Commun (Camb) 2017; 53:447-450. [DOI: 10.1039/c6cc08808b] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel aggregation-induced emission enhancement triggered by chiral self-assembled superstructures has been developed in this work.
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Affiliation(s)
- Wenrui Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan
- China
| | - Guangyan Qing
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan
- China
| | - Taolei Sun
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan
- China
- School of Chemistry
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36
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Cao ZQ, Wang YC, Zou AH, London G, Zhang Q, Gao C, Qu DH. Reversible switching of a supramolecular morphology driven by an amphiphilic bistable [2]rotaxane. Chem Commun (Camb) 2017; 53:8683-8686. [DOI: 10.1039/c7cc05008a] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A supra-amphiphilic [2]rotaxane-based switch could self-assemble into spherical vesicles in aqueous solution and transform into worm-like micelles in a basic environment.
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Affiliation(s)
- Zhan-Qi Cao
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
- Shanghai
- China
| | - Yi-Chuan Wang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
- Shanghai
- China
| | - Ai-Hua Zou
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
- Shanghai
- China
| | - Gábor London
- Institute of Organic Chemistry
- Research Centre for Natural Sciences
- Hungarian Academy of Sciences
- Budapest
- Hungary
| | - Qi Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
- Shanghai
- China
| | - Chuan Gao
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
- Shanghai
- China
| | - Da-Hui Qu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals
- School of Chemistry and Molecular Engineering
- East China University of Science & Technology
- Shanghai
- China
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37
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Marakis J, Wunderlich K, Klapper M, Vlassopoulos D, Fytas G, Müllen K. Strong Physical Hydrogels from Fibrillar Supramolecular Assemblies of Poly(ethylene glycol) Functionalized Hexaphenylbenzenes. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00528] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- J. Marakis
- FORTH, Institute of Electronic Structure & Laser, N. Plastira 100, 70013, Heraklion, Greece
- Department of Materials Science & Technology, University of Crete, P.O. Box 2208, 71003 Heraklion, Greece
| | - K. Wunderlich
- Max Planck
Institute
for Polymer Research, Ackermannweg
10, 55128, Mainz, Germany
| | - M. Klapper
- Max Planck
Institute
for Polymer Research, Ackermannweg
10, 55128, Mainz, Germany
| | - D. Vlassopoulos
- FORTH, Institute of Electronic Structure & Laser, N. Plastira 100, 70013, Heraklion, Greece
- Department of Materials Science & Technology, University of Crete, P.O. Box 2208, 71003 Heraklion, Greece
| | - G. Fytas
- FORTH, Institute of Electronic Structure & Laser, N. Plastira 100, 70013, Heraklion, Greece
- Department of Materials Science & Technology, University of Crete, P.O. Box 2208, 71003 Heraklion, Greece
- Max Planck
Institute
for Polymer Research, Ackermannweg
10, 55128, Mainz, Germany
| | - K. Müllen
- Max Planck
Institute
for Polymer Research, Ackermannweg
10, 55128, Mainz, Germany
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