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Rozans SJ, Moghaddam AS, Wu Y, Atanasoff K, Nino L, Dunne K, Pashuck ET. Quantifying and controlling the proteolytic degradation of cell adhesion peptides. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.19.590329. [PMID: 38712239 PMCID: PMC11071418 DOI: 10.1101/2024.04.19.590329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Peptides are widely used within biomaterials to improve cell adhesion, incorporate bioactive ligands, and enable cell-mediated degradation of the matrix. While many of the peptides incorporated into biomaterials are intended to be present throughout the life of the material, their stability is not typically quantified during culture. In this work we designed a series of peptide libraries containing four different N-terminal peptide functionalizations and three C-terminal functionalization to better understand how simple modifications can be used to reduce non-specific degradation of peptides. We tested these libraries with three cell types commonly used in biomaterials research, including mesenchymal stem/stromal cells (hMSCs), endothelial cells, and macrophages, and quantified how these cell types non-specifically degraded peptide as a function of terminal amino acid and chemistry. We found that peptides in solution which contained N-terminal amines were almost entirely degraded by 48 hours, irrespective of the terminal amino acid, and that degradation occurred even at high peptide concentrations. Peptides with C-terminal carboxylic acids also had significant degradation when cultured with cells. We found that simple modifications to the termini could significantly reduce or completely abolish non-specific degradation when soluble peptides were added to cells cultured on tissue culture plastic or within hydrogel matrices, and that functionalizations which mimicked peptide conjugations to hydrogel matrices significantly slowed non-specific degradation. We also found that there were minimal differences across cell donors, and that sequences mimicking different peptides commonly-used to functionalized biomaterials all had significant non-specific degradation. Finally, we saw that there was a positive trend between RGD stability and hMSC spreading within hydrogels, indicating that improving the stability of peptides within biomaterial matrices may improve the performance of engineered matrices.
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MacPherson DS, Dave D, Kassem S, Doganata S, Zeglis BM, Ulijn RV. Tuning Supramolecular Chirality in Iodinated Amphiphilic Peptides Through Tripeptide Linker Editing. Biomacromolecules 2024; 25:2277-2285. [PMID: 38445833 DOI: 10.1021/acs.biomac.3c01120] [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: 03/07/2024]
Abstract
Protease-cleavable supramolecular oligopeptide nanofilaments are promising materials for targeted therapeutics and diagnostics. In these systems, single amino acid substitutions can have profound effects on the supramolecular structure and consequent proteolytic degradation, which are critical parameters for their intended applications. Herein, we describe changes to the self-assembly and proteolytic cleavage of iodine containing sequences for future translation into matrix metalloprotease (MMP-9)-activated supramolecular radio-imaging probes. We use a systematic single amino acid exchange in the tripeptide linker region of these peptide amphiphiles to provide insights into the role of each residue in the supramolecular assemblies. These modifications resulted in dramatic changes in the nature of the assembled structures formed, including an unexpected chiral inversion. By using circular dichroism, atomic force microscopy, Fourier transform infrared spectroscopy, and molecular dynamics simulations, we found that the GD loop, a common motif in β-turn elements, induced a reversal of the chiral orientation of the assembled nanofibers. In addition to the impact on peptide packing and chirality, MMP-9-catalyzed hydrolysis was evaluated for the four peptides, with the β-sheet content found to be a stronger determinant of enzymatic hydrolysis than supramolecular chirality. These observations provide fundamental insights into the sequence design in protease cleavable amphiphilic peptides with the potential for radio-labeling and selective biomedical applications.
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Affiliation(s)
- Douglas S MacPherson
- Advanced Science Research Center (ASRC) at The Graduate Center, City University of New York, 85 Saint Nicholas Terrace, New York, New York 10031, United States
- Department of Chemistry, Hunter College of the City University of New York, New York, New York 10028, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Dhwanit Dave
- Advanced Science Research Center (ASRC) at The Graduate Center, City University of New York, 85 Saint Nicholas Terrace, New York, New York 10031, United States
- Department of Chemistry, Hunter College of the City University of New York, New York, New York 10028, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
| | - Salma Kassem
- Advanced Science Research Center (ASRC) at The Graduate Center, City University of New York, 85 Saint Nicholas Terrace, New York, New York 10031, United States
| | - Selma Doganata
- Advanced Science Research Center (ASRC) at The Graduate Center, City University of New York, 85 Saint Nicholas Terrace, New York, New York 10031, United States
- Macaulay Honors College, City University of New York, New York, New York 10031, United States
| | - Brian M Zeglis
- Department of Chemistry, Hunter College of the City University of New York, New York, New York 10028, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
- Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, United States
- Department of Radiology, Weill Cornell Medical College, New York, New York 10065, United States
| | - Rein V Ulijn
- Advanced Science Research Center (ASRC) at The Graduate Center, City University of New York, 85 Saint Nicholas Terrace, New York, New York 10031, United States
- Department of Chemistry, Hunter College of the City University of New York, New York, New York 10028, United States
- Ph.D. Program in Biochemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
- Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, United States
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Reyes C, Patarroyo MA. Self-assembling peptides: Perspectives regarding biotechnological applications and vaccine development. Int J Biol Macromol 2024; 259:128944. [PMID: 38145690 DOI: 10.1016/j.ijbiomac.2023.128944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 12/05/2023] [Accepted: 12/19/2023] [Indexed: 12/27/2023]
Abstract
Self-assembly involves a set of molecules spontaneously interacting in a highly coordinated and dynamic manner to form a specific supramolecular structure having new and clearly defined properties. Many examples of this occur in nature and many more came from research laboratories, with their number increasing every day via ongoing research concerning complex biomolecules and the possibility of harnessing it when developing new applications. As a phenomenon, self-assembly has been described on very different types of molecules (biomolecules including), so this review focuses on what is known about peptide self-assembly, its origins, the forces behind it, how the properties of the resulting material can be tuned in relation to experimental considerations, some biotechnological applications (in which the main protagonists are peptide sequences capable of self-assembly) and what is yet to be tuned regarding their research and development.
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Affiliation(s)
- César Reyes
- PhD Biotechnology Programme, Faculty of Sciences, Universidad Nacional de Colombia, Carrera 45#26-85, Bogotá DC 111321, Colombia; Structure Analysis Department, Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, Bogotá DC 111321, Colombia; Animal Science Faculty, Universidad de Ciencias Aplicadas y Ambientales (U.D.C.A.), Calle 222#55-37, Bogotá DC 111166, Colombia
| | - Manuel A Patarroyo
- Molecular Biology and Immunology Department, Fundación Instituto de Inmunología de Colombia (FIDIC), Carrera 50#26-20, Bogotá DC 111321, Colombia; Microbiology Department, Faculty of Medicine, Universidad Nacional de Colombia, Carrera 45#26-85, Bogotá DC 111321, Colombia.
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Ahad A, Aftab F, Michel A, Lewis JS, Contel M. Development of immunoliposomes containing cytotoxic gold payloads against HER2-positive breast cancers. RSC Med Chem 2024; 15:139-150. [PMID: 38283233 PMCID: PMC10809422 DOI: 10.1039/d3md00334e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 11/09/2023] [Indexed: 01/30/2024] Open
Abstract
Overexpression of the human epidermal growth factor receptor 2 (HER2) is found in 20-30% of breast cancer tumors (HER2-positive breast cancers) and is associated with more aggressive onset of disease, higher recurrence rate and increased mortality. Monoclonal antibodies (mAb) like trastuzumab and pertuzumab in combination with chemotherapeutics, and trastuzumab-based antibody drug conjugates (ADCs) are used in the clinic to treat these cancers. An alternative targeted strategy (not yet in clinical use) is the encapsulation of chemotherapeutic drugs in immunoliposomes. Such systems may not only facilitate targeted delivery to the tumor and improve intracellular penetration, but also override some of the resistance developed by tumors in response to cytotoxic loads. As a supplement to classical chemotherapeutics (based on organic compounds and conventional platinum-based derivatives), gold compounds are emerging as potential anticancer agents due to their high cytotoxicity and capacity for immunogenic cell death. Here, we describe the development of immunoliposomes functionalized with trastuzumab and pertuzumab; containing simple gold(i) neutral compounds ([AuCl(PR3)] (PR3 = PPh3 (1), PEt3 (2))) generated by the thin-film method to afford Lipo-1-Lipo-2. Trastuzumab and pertuzumab were engrafted onto these liposomes to generate gold-based immunoliposomes (Immunolipo-Tras-1, Immunolipo-Tras-2, Immunolipo-Per-1, Immunolipo-Per-2). We have characterized all liposomal formulations and demonstrated that the immunoliposomes (190 nm) are stable, have high binding affinity for HER2, and display selective cytotoxicity towards HER2-positive breast cancer cell lines. Trastuzumab-based immunoliposomes of a smaller size (100 nm) - encapsulating [AuCl(PEt3)] (2) - have been generated by an extrusion homogenization method. These optimized immunoliposomes (Opt-Immunolipo-Tras-2) have a trastuzumab engraftment efficiency, encapsulation efficiency for 2, and affinity for HER-2 similar to the immunoliposomes obtained by sonication (Immunolipo-Tras-2). While the amount of Au encapsulated is slightly lower, they display almost identical cytotoxicity and selectivity profiles. Moreover, the fluorescently-labeled phosphane drug [AuCl(PPh2-BODIPY)] (3) was encapsulated in both larger (Immunolipo-Tras-3) and smaller (Opt-Immunolipo-Tras-3) immunoliposomes and used to visualize the intracellular localization of the payload. Fluorescent imaging studies found that Opt-Immunolipo-Tras-3 accumulates in the cells more than 3 and that the unencapsulated payload accumulates primarily in lysosomes, while targeted liposomal 3 localizes in mitochondria and ER, hinting at different possibilities for modes of action.
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Affiliation(s)
- Afruja Ahad
- Department of Chemistry, Brooklyn College, The City University of New York Brooklyn NY USA
- Brooklyn College Cancer Center, Brooklyn College, The City University of New York Brooklyn NY USA
- Biology PhD Program, The Graduate Center, The City University of New York New York NY USA
- Radiology, Memorial Sloan Kettering Cancer Center New York NY USA
| | - Fatima Aftab
- Department of Chemistry, Brooklyn College, The City University of New York Brooklyn NY USA
- Brooklyn College Cancer Center, Brooklyn College, The City University of New York Brooklyn NY USA
| | - Alexa Michel
- Radiology, Memorial Sloan Kettering Cancer Center New York NY USA
| | - Jason S Lewis
- Radiology, Memorial Sloan Kettering Cancer Center New York NY USA
- Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center New York NY USA
- Radiochemistry and Molecular Imaging Probes Core, Memorial Sloan Kettering Cancer Center New York NY USA
| | - Maria Contel
- Department of Chemistry, Brooklyn College, The City University of New York Brooklyn NY USA
- Brooklyn College Cancer Center, Brooklyn College, The City University of New York Brooklyn NY USA
- Biology PhD Program, The Graduate Center, The City University of New York New York NY USA
- Chemistry PhD Program, The Graduate Center, The City University of New York New York NY USA
- Biochemistry PhD Program, The Graduate Center, The City University of New York New York NY USA
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Ahad A, K. Saeed H, del Solar V, López-Hernández JE, Michel A, Mathew J, Lewis JS, Contel M. Shifting the Antibody-Drug Conjugate Paradigm: A Trastuzumab-Gold-Based Conjugate Demonstrates High Efficacy against Human Epidermal Growth Factor Receptor 2-Positive Breast Cancer Mouse Model. ACS Pharmacol Transl Sci 2023; 6:1972-1986. [PMID: 38093840 PMCID: PMC10714425 DOI: 10.1021/acsptsci.3c00270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/08/2023] [Accepted: 11/10/2023] [Indexed: 01/17/2024]
Abstract
Antibody-drug conjugates (ADCs) combine the selectivity of monoclonal antibodies (mAbs) with the efficacy of chemotherapeutics to target cancers without toxicity to normal tissue. Clinically, most chemotherapeutic ADCs are based on complex organic molecules, while the conjugation of metallodrugs to mAbs has been overlooked, despite the resurgent interest in metal-based drugs as cancer chemotherapeutics. In 2019, we described the first gold ADCs containing gold-triphenylphosphane fragments as a proof of concept. The ADCs (based on the antibody trastuzumab) were selective and highly active against HER2-positive breast cancer cells. In this study, we developed site-specific ADCs (Thio-1b and Thio-2b) using the cysteine-engineered trastuzumab derivative THIOMAB antibody technology with gold(I)-containing phosphanes and a maleimide-based linker amenable to bioconjugation (1b and 2b). In addition, we developed lysine-directed ADCs with gold payloads based on phosphanes and N-heterocyclic carbenes featuring an activated ester moiety (2c and 5c) with trastuzumab (Tras-2c and Tras-5c) and another anti-HER2 antibody, pertuzumab (Per-2c and Per-5c). Both sets of ADCs demonstrated significant anticancer potency in vitro assays. Based on these results, one ADC (Tras-2c), containing the [Au(PEt3)] fragment present in FDA-approved auranofin, was selected for an in vivo antitumor efficacy study. Immunocompromised mice xenografted with the HER2-positive human cancer cell line SKBR-3 exhibited almost complete tumor reduction and low toxicity with intravenous administration of Tras-2c. With this highly selective targeting system, we demonstrated that a subnanomolar cytotoxicity profile in cells is not required for an impressive antitumor effect in a mouse xenograft model.
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Affiliation(s)
- Afruja Ahad
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
- Biology
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10065, United States
| | - Hiwa K. Saeed
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
| | - Virginia del Solar
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
| | - Javier E. López-Hernández
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
- Biochemistry
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
| | - Alexa Michel
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10065, United States
| | - Joshua Mathew
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
| | - Jason S. Lewis
- Department
of Radiology, Memorial Sloan Kettering Cancer
Center, New York, New York 10065, United States
- Molecular
Pharmacology Program, Memorial Sloan Kettering
Cancer Center, New York, New York 10065, United States
- Radiochemistry
and Molecular Imaging Probes Core, Memorial
Sloan Kettering Cancer Center, New York, New York 10065, United States
| | - Maria Contel
- Department
of Chemistry, The City University of New
York, Brooklyn, New York 11210, United States
- Brooklyn
College Cancer Center, Brooklyn College, The City University of New York, Brooklyn, New York 11210, United States
- Biology
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
- Chemistry
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
- Biochemistry
PhD Programs, The Graduate Center, The City
University of New York, New York, New York 10016, United States
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Son J, Parveen S, MacPherson D, Marciano Y, Huang RH, Ulijn RV. MMP-responsive nanomaterials. Biomater Sci 2023; 11:6457-6479. [PMID: 37623747 DOI: 10.1039/d3bm00840a] [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: 08/26/2023]
Abstract
Matrix metalloproteinases (MMP) are enzymes that degrade the extracellular matrix and regulate essential normal cell behaviors. Inhibition of these enzymes has been a strategy for anti-cancer therapy since the 1990s, but with limited success. A new type of MMP-targeting strategy exploits the innate selective hydrolytic activity and consequent catalytic signal amplification of the proteinases, rather than inhibiting it. Using nanomaterials, the enzymatic chemical reaction can trigger the temporal and spatial activation of the anti-cancer effects, amplify the associated response, and cause mechanical damage or report on cancer cells. We analyzed nearly 60 literature studies that incorporate chemical design strategies that lead to spatial, temporal, and mechanical control of the anti-cancer effect through four modes of action: nanomaterial shrinkage, induced aggregation, formation of cytotoxic nanofibers, and activation by de-PEGylation. From the literature analysis, we derived chemical design guidelines to control and enhance MMP activation of nanomaterials of various chemical compositions (peptide, lipid, polymer, inorganic). Finally, the review includes a guide on how multiple characteristics of the nanomaterial, such as substrate modification, supramolecular structure, and electrostatic charge should be collectively considered for the targeted MMP to result in optimal kinetics of enzyme action on the nanomaterial, which allow access to amplification and additional levels of spatial, temporal, and mechanical control of the response. Although this review focuses on the design strategies of MMP-responsive nanomaterials in cancer applications, these guidelines are expected to be generalizable to systems that target MMP for treatment or detection of cancer and other diseases, as well as other enzyme-responsive nanomaterials.
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Affiliation(s)
- Jiye Son
- Nanoscience Initiative, Advanced Science Research Center at The Graduate Center of the City University of New York (CUNY), 85 Saint Nicholas Terrace, New York, NY 10031, USA.
| | - Sadiyah Parveen
- Nanoscience Initiative, Advanced Science Research Center at The Graduate Center of the City University of New York (CUNY), 85 Saint Nicholas Terrace, New York, NY 10031, USA.
- Department of Biomedical Engineering, The City College of New York, CUNY, 160 Convent Avenue, New York, NY 10031, USA
| | - Douglas MacPherson
- Nanoscience Initiative, Advanced Science Research Center at The Graduate Center of the City University of New York (CUNY), 85 Saint Nicholas Terrace, New York, NY 10031, USA.
- Ph.D. Program in Biochemistry, The Graduate Center of CUNY, 365 Fifth Avenue, New York, NY 10016, USA
- Department of Radiology, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, New York 10065, USA
- Department of Chemistry, Brooklyn College, CUNY, 2900 Bedford Avenue, Brooklyn, NY 11210, USA
| | - Yaron Marciano
- Nanoscience Initiative, Advanced Science Research Center at The Graduate Center of the City University of New York (CUNY), 85 Saint Nicholas Terrace, New York, NY 10031, USA.
- Department of Chemistry, Brooklyn College, CUNY, 2900 Bedford Avenue, Brooklyn, NY 11210, USA
| | - Richard H Huang
- Nanoscience Initiative, Advanced Science Research Center at The Graduate Center of the City University of New York (CUNY), 85 Saint Nicholas Terrace, New York, NY 10031, USA.
| | - Rein V Ulijn
- Nanoscience Initiative, Advanced Science Research Center at The Graduate Center of the City University of New York (CUNY), 85 Saint Nicholas Terrace, New York, NY 10031, USA.
- Ph.D. Program in Biochemistry, The Graduate Center of CUNY, 365 Fifth Avenue, New York, NY 10016, USA
- Ph.D. Program in Chemistry, The Graduate Center of CUNY, 365 Fifth Avenue, New York, NY 10016, USA
- Department of Chemistry, Hunter College, CUNY, 695 Park Avenue, New York, NY 10065, USA
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